(1/20)
Latest Great Lakes Marine Forecast by KBUF
Issued 1/20/2026 4:02 AM America/New_York.
Valid through 1/20/2026 11:00 AM America/New_York.
fzus61 kbuf 200902
glflo
expires:202601201600;;203321
open lake forecast for lake ontario
national weather service buffalo ny
402 am est tue jan 20 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 29.5 inch low over quebec this evening will deepen to
29.3 inches as it moves to labrador by tuesday afternoon. meanwhile,
a 30.6 inch high will build from the tennessee valley tuesday to off
the mid atlantic coast wednesday. another 29.8 inch low will move
from the upper great lakes wednesday to southern quebec by thursday,
then to the canadian maritimes by friday. an arctic cold front will
move across the lower great lakes friday.
loz062-201600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est tue jan 20 2026
...heavy freezing spray warning in effect through late tonight...
.today...west winds to 30 knots. heavy freezing spray. a chance
of snow showers this morning, then lake effect snow showers
likely this afternoon. waves 9 to 13 feet. waves occasionally
around 16 feet.
.tonight...west winds to 30 knots becoming southwest. heavy
freezing spray through the early overnight. a chance of snow
showers early. a chance of snow showers after midnight. waves
8 to 12 feet subsiding to 5 to 8 feet. waves occasionally around
15 feet.
.wednesday...south winds 15 to 25 knots becoming southwest to
30 knots. snow showers. waves 3 to 6 feet building to 5 to
9 feet. waves occasionally around 11 feet.
.wednesday night...southwest winds to 30 knots becoming west.
snow showers. waves 7 to 11 feet building to 9 to 12 feet. waves
occasionally around 15 feet.
.thursday...west winds to 30 knots. a chance of snow showers
during the day, then snow showers likely thursday night. waves
8 to 11 feet building to 10 to 14 feet. waves occasionally around
18 feet.
.friday...west winds to 30 knots becoming northwest 15 to
25 knots. snow showers likely. waves 9 to 13 feet subsiding to
4 to 7 feet. waves occasionally around 16 feet.
.saturday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. a chance of snow showers. waves 2 to 4 feet.
$$
(2/20)
Latest Great Lakes Marine Forecast by KBUF
Issued 1/20/2026 4:02 AM America/New_York.
Valid through 1/20/2026 11:00 AM America/New_York.
fzus61 kbuf 200902
glflo
expires:202601201600;;203322
open lake forecast for lake ontario
national weather service buffalo ny
402 am est tue jan 20 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 29.5 inch low over quebec this evening will deepen to
29.3 inches as it moves to labrador by tuesday afternoon. meanwhile,
a 30.6 inch high will build from the tennessee valley tuesday to off
the mid atlantic coast wednesday. another 29.8 inch low will move
from the upper great lakes wednesday to southern quebec by thursday,
then to the canadian maritimes by friday. an arctic cold front will
move across the lower great lakes friday.
loz063>065-201600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am est tue jan 20 2026
...heavy freezing spray warning in effect through late tonight...
.today...west winds to 30 knots. heavy freezing spray. lake
effect snow showers. waves 10 to 15 feet. waves occasionally
around 19 feet.
.tonight...west winds to 30 knots becoming southwest. heavy
freezing spray through the early overnight. lake effect snow
showers in the evening, then a chance of snow showers after
midnight. waves 10 to 15 feet subsiding to 7 to 11 feet. waves
occasionally around 19 feet.
.wednesday...south winds to 30 knots. snow showers likely. waves
5 to 8 feet. waves occasionally around 10 feet.
.wednesday night...south winds to 30 knots becoming southwest.
snow showers likely. waves 7 to 11 feet building to 10 to
14 feet. waves occasionally around 18 feet.
.thursday...west winds to 30 knots. snow showers likely. waves
10 to 14 feet building to 13 to 18 feet. waves occasionally
around 23 feet.
.friday...west winds to 30 knots becoming northwest 15 to
25 knots. snow showers. waves 11 to 16 feet subsiding to 7 to
10 feet. waves occasionally around 20 feet.
.saturday...northwest winds 15 to 20 knots becoming north. a
chance of snow showers. waves 3 to 6 feet subsiding to 1 to
3 feet.
$$
(3/20)
Latest Great Lakes Marine Forecast by KCLE
Issued 1/20/2026 3:17 AM America/New_York.
Valid through 1/20/2026 10:15 AM America/New_York.
fzus61 kcle 200817
glfle
expires:202601201515;;201511
open lake forecast for lake erie
national weather service cleveland oh
317 am est tue jan 20 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
low pressure of 29.60 inches remains over quebec while a ridge of
high pressure 30.40 inches builds east through the ohio valley
today. low pressure of 29.90 inches develops over lake michigan
and tracks northeast wednesday, deepening to 29.50 inches over
quebec on thursday and pulling a cold front east across lake erie.
another trough with pressure of 30.10 inches will pull an arctic
front east across lake erie on friday.
lez162>165-201515-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
317 am est tue jan 20 2026
.today...southwest winds 15 to 25 knots. the lake is mostly ice
covered.
.tonight...southwest winds 10 to 15 knots becoming south 15 to
20 knots. a slight chance of snow after midnight. a chance of
snow late.
.wednesday...south winds 15 to 25 knots becoming southwest. snow
likely.
.wednesday night...southwest winds 15 to 25 knots becoming west.
a chance of snow in the evening.
.thursday...west winds to 30 knots becoming southwest 15 to
25 knots.
.friday...west winds 15 to 20 knots becoming northwest 10 to
15 knots.
.saturday...northwest winds 10 to 15 knots becoming north. a
chance of snow saturday night.
waves omitted due to the lake being mostly ice covered.
$$
(4/20)
Latest Great Lakes Marine Forecast by KCLE
Issued 1/20/2026 3:17 AM America/New_York.
Valid through 1/20/2026 10:15 AM America/New_York.
fzus61 kcle 200817
glfle
expires:202601201515;;201512
open lake forecast for lake erie
national weather service cleveland oh
317 am est tue jan 20 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
low pressure of 29.60 inches remains over quebec while a ridge of
high pressure 30.40 inches builds east through the ohio valley
today. low pressure of 29.90 inches develops over lake michigan
and tracks northeast wednesday, deepening to 29.50 inches over
quebec on thursday and pulling a cold front east across lake erie.
another trough with pressure of 30.10 inches will pull an arctic
front east across lake erie on friday.
lez061-166>169-201515-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
317 am est tue jan 20 2026
...heavy freezing spray warning in effect through this
afternoon...
.today...west winds to 30 knots becoming southwest. heavy
freezing spray. snow. waves in ice free areas 7 to 10 feet. waves
in ice free areas occasionally around 13 feet.
.tonight...southwest winds 15 to 25 knots becoming south. heavy
freezing spray in the evening. snow likely in the evening, then a
chance of snow after midnight. waves 6 to 10 feet subsiding to
3 to 6 feet. waves occasionally around 13 feet.
.wednesday...south winds 15 to 25 knots becoming southwest to
30 knots. snow. waves 3 to 6 feet building to 6 to 9 feet. waves
occasionally around 11 feet.
.wednesday night...southwest winds to 30 knots becoming west. a
chance of snow. waves 6 to 10 feet building to 8 to 11 feet.
waves occasionally around 14 feet.
.thursday...west winds to 30 knots. waves 7 to 10 feet building
to 9 to 12 feet, then subsiding to 7 to 10 feet. waves
occasionally around 15 feet.
.friday...west winds 15 to 25 knots becoming northwest. waves
5 to 9 feet subsiding to 2 to 4 feet. waves occasionally around
11 feet.
.saturday...northwest winds 10 to 15 knots becoming north. a
chance of snow saturday night. waves 1 to 3 feet.
wave heights are for ice free areas.
$$
(5/20)
Latest Great Lakes Marine Forecast by KCLE
Issued 1/20/2026 3:13 AM America/New_York.
Valid through 1/20/2026 10:15 AM America/New_York.
fzus61 kcle 200813
glfle
expires:202601201515;;201358
open lake forecast for lake erie
national weather service cleveland oh
313 am est tue jan 20 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
low pressure of 29.60 inches remains over quebec while a ridge of
high pressure 30.40 inches builds east through the ohio valley
today. low pressure of 29.90 inches develops over lake michigan
and tracks northeast wednesday, deepening to 29.50 inches over
quebec on thursday and pulling a cold front east across lake erie.
another trough with pressure of 30.10 inches will pull an arctic
front east across lake erie on friday.
lez166>169-201515-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
313 am est tue jan 20 2026
...heavy freezing spray warning in effect through this
afternoon...
.today...west winds to 30 knots becoming southwest. heavy
freezing spray. snow. waves in ice free areas 6 to 9 feet. waves
in ice free areas occasionally around 11 feet.
.tonight...southwest winds 15 to 25 knots becoming south. heavy
freezing spray in the evening. a chance of snow in the evening,
then a slight chance of snow after midnight. a chance of snow
late. waves 5 to 9 feet subsiding to 3 to 6 feet. waves
occasionally around 11 feet.
.wednesday...south winds 15 to 25 knots becoming southwest to
30 knots. snow. waves 3 to 6 feet building to 5 to 8 feet. waves
occasionally around 10 feet.
.wednesday night...southwest winds to 30 knots becoming west. a
chance of snow. waves 6 to 10 feet building to 7 to 11 feet.
waves occasionally around 14 feet.
.thursday...west winds to 30 knots diminishing to 15 to 25 knots.
waves 7 to 10 feet building to 9 to 12 feet, then subsiding to
6 to 9 feet. waves occasionally around 15 feet.
.friday...west winds 15 to 25 knots becoming northwest. waves
5 to 8 feet subsiding to 2 to 4 feet. waves occasionally around
10 feet.
.saturday...northwest winds 10 to 15 knots becoming north. a
chance of snow saturday night. waves 1 to 3 feet.
wave heights are for ice free areas.
$$
(6/20)
Latest Great Lakes Marine Forecast by KCLE
Issued 1/20/2026 3:13 AM America/New_York.
Valid through 1/20/2026 10:15 AM America/New_York.
fzus61 kcle 200813
glfle
expires:202601201515;;201359
open lake forecast for lake erie
national weather service cleveland oh
313 am est tue jan 20 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
low pressure of 29.60 inches remains over quebec while a ridge of
high pressure 30.40 inches builds east through the ohio valley
today. low pressure of 29.90 inches develops over lake michigan
and tracks northeast wednesday, deepening to 29.50 inches over
quebec on thursday and pulling a cold front east across lake erie.
another trough with pressure of 30.10 inches will pull an arctic
front east across lake erie on friday.
lez061-201515-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
313 am est tue jan 20 2026
...gale warning in effect until 7 am est this morning...
...heavy freezing spray warning in effect through this
afternoon...
.today...west winds to 35 knots. heavy freezing spray. snow.
waves 7 to 10 feet. waves occasionally around 13 feet.
.tonight...southwest winds 15 to 25 knots. heavy freezing spray
in the evening. snow early, then a chance of snow from late
evening on. waves 6 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet.
.wednesday...south winds to 30 knots becoming southwest. snow.
waves 3 to 6 feet building to 6 to 9 feet. waves occasionally
around 11 feet.
.wednesday night...southwest winds to 30 knots becoming west.
snow. waves 6 to 10 feet building to 8 to 11 feet. waves
occasionally around 14 feet.
.thursday...west winds to 30 knots. a chance of snow during the
day. waves 7 to 10 feet building to 9 to 12 feet, then subsiding
to 7 to 10 feet. waves occasionally around 15 feet.
.friday...west winds 15 to 25 knots becoming northwest. waves
6 to 9 feet subsiding to 2 to 4 feet. waves occasionally around
11 feet.
.saturday...northwest winds 10 to 15 knots becoming north. a
chance of snow saturday night. waves 1 to 3 feet.
$$
(7/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 1/20/2026 9:17 AM America/New_York.
Valid through 1/20/2026 5:30 PM America/New_York.
fzus63 kdtx 201417
glflh
expires:202601202230;;215824
open lake forecast for lake huron
national weather service detroit/pontiac mi
917 am est tue jan 20 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...active weather stretch continues this week with
several additional disturbances working through the central great
lakes. this results in very cold conditions, elevated
winds/waves, areas of heavy freezing spray, and periods of
snowfall throughout the week.
lhz462>464-202230-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
917 am est tue jan 20 2026
...heavy freezing spray warning in effect until 4 pm est this
afternoon...
.rest of today...west winds 20 to 25 knots. gusts to 30 knots
late in the morning. heavy freezing spray. waves 5 to 7 feet.
waves occasionally around 10 feet.
.tonight...southwest winds 20 to 25 knots decreasing to 15 to
20 knots after midnight. freezing spray in the evening. waves
5 to 7 feet. waves occasionally around 10 feet.
.wednesday...south winds 15 to 20 knots. freezing spray in the
morning. snow in the morning...then a chance of snow in the
afternoon. waves 5 to 7 feet. waves occasionally around 10 feet.
.wednesday night...southwest winds 20 to 25 knots. gusts to
30 knots in the late evening and overnight. freezing spray after
midnight. waves 5 to 7 feet. waves occasionally around 10 feet.
.thursday...west winds 20 to 25 knots with gusts to around
30 knots. heavy freezing spray. waves 6 to 9 feet. waves
occasionally around 12 feet.
.friday...west winds 20 to 25 knots with gusts to around 30 knots
decreasing to 15 to 20 knots . heavy freezing spray. waves 6 to
9 feet. waves occasionally around 12 feet.
.saturday...west winds 15 to 20 knots decreasing to 10 to
15 knots until early evening...then backing to the south by
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet by midnight.
$$
(8/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 1/20/2026 9:17 AM America/New_York.
Valid through 1/20/2026 5:30 PM America/New_York.
fzus63 kdtx 201417
glfsc
expires:202601202230;;215829
lake st clair forecast
national weather service detroit/pontiac mi
917 am est tue jan 20 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...active weather stretch continues this week with
several additional disturbances working through the central great
lakes. this results in very cold conditions, elevated
winds/waves, areas of heavy freezing spray, and periods of
snowfall throughout the week.
lcz460-202230-
lake st clair-
917 am est tue jan 20 2026
.rest of today...southwest winds 15 to 20 knots. mostly cloudy.
.tonight...southwest winds 10 to 15 knots becoming south 15 to 20
knots early in the morning. partly cloudy in the evening.. then
mostly cloudy with a chance of light snow after midnight. cloudy
with light snow likely early in the morning.
.wednesday...southwest winds 15 to 20 knots. light snow until late
afternoon...then a chance of light snow early in the afternoon.
.wednesday night...southwest winds 15 to 20 knots. mostly cloudy.
.thursday...west winds 15 to 20 knots. partly cloudy.
.friday...west winds 15 to 20 knots. partly cloudy.
.saturday...north winds 5 to 10 knots. partly cloudy.
waves omitted due to ice coverage.
$$
(9/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 1/20/2026 9:17 AM America/New_York.
Valid through 1/20/2026 5:30 PM America/New_York.
fzus63 kdtx 201417
glflh
expires:202601202230;;215822
open lake forecast for lake huron
national weather service detroit/pontiac mi
917 am est tue jan 20 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...active weather stretch continues this week with
several additional disturbances working through the central great
lakes. this results in very cold conditions, elevated
winds/waves, areas of heavy freezing spray, and periods of
snowfall throughout the week.
lhz361-202230-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
917 am est tue jan 20 2026
...heavy freezing spray warning in effect until 4 pm est this
afternoon...
.rest of today...west winds 20 to 25 knots. heavy freezing spray.
waves 6 to 9 feet. waves occasionally around 12 feet.
.tonight...southwest winds 20 to 25 knots decreasing to 15 to
20 knots in the late evening and overnight. freezing spray in the
evening. waves 5 to 7 feet. waves occasionally around 10 feet.
.wednesday...south winds 10 to 15 knots becoming southwest 5 to
10 knots early in the afternoon. a chance of snow in the
afternoon. waves 2 to 4 feet.
.wednesday night...west winds 10 to 15 knots increasing to 20 to
25 knots. a chance of snow in the evening. freezing spray after
midnight. waves 3 to 5 feet building to 6 to 9 feet after
midnight. waves occasionally around 12 feet.
.thursday...west winds 20 to 25 knots with gusts to around
30 knots. heavy freezing spray. waves 8 to 12 feet. waves
occasionally around 15 feet.
.friday...west winds 20 to 25 knots with gusts to around 30 knots
decreasing to 10 to 15 knots. heavy freezing spray. waves 6 to
9 feet. waves occasionally around 12 feet.
.saturday...northwest winds 10 to 15 knots becoming west 5 to
10 knots until early evening...then backing to the southwest by
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet.
$$
(10/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 1/20/2026 9:17 AM America/New_York.
Valid through 1/20/2026 5:30 PM America/New_York.
fzus63 kdtx 201417
glflh
expires:202601202230;;215823
open lake forecast for lake huron
national weather service detroit/pontiac mi
917 am est tue jan 20 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...active weather stretch continues this week with
several additional disturbances working through the central great
lakes. this results in very cold conditions, elevated
winds/waves, areas of heavy freezing spray, and periods of
snowfall throughout the week.
lhz362-363-202230-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
917 am est tue jan 20 2026
...heavy freezing spray warning in effect until 4 pm est this
afternoon...
.rest of today...west winds 20 to 25 knots. heavy freezing spray.
waves 6 to 9 feet. waves occasionally around 12 feet.
.tonight...southwest winds 20 to 25 knots with gusts to around
30 knots becoming south 15 to 20 knots early in the morning.
freezing spray and a chance of. a chance of. waves 6 to 9 feet.
waves occasionally around 12 feet.
.wednesday...south winds 15 to 20 knots. freezing spray in the
morning. a chance of snow. waves 5 to 7 feet. waves occasionally
around 10 feet.
.wednesday night...west winds 15 to 20 knots becoming southwest
20 to 25 knots with gusts to around 30 knots in the late evening
and overnight. freezing spray after midnight. waves 5 to 7 feet
building to 8 to 12 feet after midnight. waves occasionally
around 15 feet.
.thursday...west winds 20 to 25 knots with gusts to around
30 knots. heavy freezing spray. waves 8 to 12 feet. waves
occasionally around 15 feet.
.friday...west winds 20 to 25 knots with gusts to around 30 knots
decreasing to 15 to 20 knots by midnight. heavy freezing spray.
waves 8 to 12 feet. waves occasionally around 15 feet.
.saturday...west winds 10 to 15 knots backing to the southwest by
midnight. waves 3 to 5 feet subsiding to 2 to 4 feet by midnight.
$$
(11/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 1/20/2026 3:51 AM America/New_York.
Valid through 1/20/2026 12:00 PM America/New_York.
fzus63 kdtx 200851
glflh
expires:202601201700;;202652
open lake forecast for lake huron
national weather service detroit/pontiac mi
351 am est tue jan 20 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...active weather stretch continues this week with
several additional disturbances working through the central great
lakes. this results in very cold conditions, elevated
winds/waves, areas of heavy freezing spray, and periods of
snowfall throughout the week.
lhz362-363-462-201700-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
351 am est tue jan 20 2026
...heavy freezing spray warning in effect through this
afternoon...
.today...west winds 20 to 25 knots. gusts to 30 knots in the
morning. heavy freezing spray. waves 6 to 9 feet. waves
occasionally around 12 feet.
.tonight...southwest winds 20 to 25 knots becoming south 15 to
20 knots early in the morning. freezing spray and a chance of.
waves 6 to 9 feet. waves occasionally around 12 feet.
.wednesday...south winds 15 to 20 knots. freezing spray in the
morning. a chance of snow. waves 5 to 7 feet. waves occasionally
around 10 feet.
.wednesday night...southwest winds 15 to 20 knots increasing to
20 to 25 knots with gusts to around 30 knots in the late evening
and overnight. freezing spray after midnight. waves 6 to 9 feet.
waves occasionally around 12 feet.
.thursday...west winds 20 to 25 knots with gusts to around
30 knots. heavy freezing spray. waves 8 to 12 feet. waves
occasionally around 15 feet.
.friday...west winds 20 to 25 knots with gusts to around 30 knots
decreasing to 15 to 20 knots by midnight. heavy freezing spray.
waves 8 to 12 feet. waves occasionally around 15 feet.
.saturday...west winds 10 to 15 knots backing to the southwest by
midnight. waves 3 to 5 feet subsiding to 2 to 4 feet by midnight.
$$
(12/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 1/20/2026 3:51 AM America/New_York.
Valid through 1/20/2026 12:00 PM America/New_York.
fzus63 kdtx 200851
glflh
expires:202601201700;;202653
open lake forecast for lake huron
national weather service detroit/pontiac mi
351 am est tue jan 20 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...active weather stretch continues this week with
several additional disturbances working through the central great
lakes. this results in very cold conditions, elevated
winds/waves, areas of heavy freezing spray, and periods of
snowfall throughout the week.
lhz463-464-201700-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
351 am est tue jan 20 2026
...heavy freezing spray warning in effect through this
afternoon...
.today...west winds 20 to 25 knots with gusts to around 30 knots
decreasing to 15 to 20 knots late in the afternoon. heavy
freezing spray in the morning. waves 4 to 6 feet.
.tonight...southwest winds 20 to 25 knots decreasing to 15 to
20 knots after midnight. snow likely after midnight. waves 4 to
6 feet.
.wednesday...south winds 20 to 25 knots decreasing to 15 to
20 knots in the late morning and afternoon. freezing spray in the
morning. snow likely in the morning...then a chance of snow in
the afternoon. waves 6 to 9 feet. waves occasionally around
12 feet.
.wednesday night...southwest winds 20 to 25 knots. gusts to
30 knots after midnight. a chance of snow in the evening.
freezing spray after midnight. waves 5 to 7 feet. waves
occasionally around 10 feet.
.thursday...west winds 20 to 25 knots. gusts to 30 knots. heavy
freezing spray. waves 6 to 9 feet. waves occasionally around
12 feet.
.friday...west winds 20 to 25 knots with gusts to around 30 knots
decreasing to 15 to 20 knots . heavy freezing spray. waves 6 to
9 feet. waves occasionally around 12 feet.
.saturday...west winds 15 to 20 knots decreasing to 10 to
15 knots until early evening...then backing to the south by
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet by midnight.
wave heights are for ice free areas.
$$
(13/20)
Latest Great Lakes Marine Forecast by KMKX
Issued 1/20/2026 3:09 AM US/Central.
Valid through 1/20/2026 10:30 AM US/Central.
fzus63 kmkx 200909
glflm
expires:202601201630;;203931
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am cst tue jan 20 2026
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.
.synopsis...
high pressure around 30.6 inches well southeast of the region will
shift east today. gusty west winds this morning will shift west
southwest this afternoon. elevated waves and arctic air will
continue to lead to areas of heavy freezing spray through this
morning. a heavy freezing spray warning remains in effect until
noon cst today for all of lake michigan.
west to southwest winds will continue tonight, with low pressure
around 29.8 inches moving across southern lake michigan wednesday
morning. west winds are expected behind the low wednesday
afternoon.
winds will increase further and shift west to northwest wednesday
night, as another arctic cold front crosses lake michigan. a few
gale force gusts may occur. gusty west to northwest winds thursday
will will turn mainly northwest friday, as strong high pressure
around 30.9 inches builds into the northern great plains. a few
gale force gusts may occur during this period.
arriving arctic air and elevated wave heights will support
additional periods of moderate to potentially heavy freezing spray
wednesday night into friday night.
lmz080-669-671-673-675-777-779-870-872-874-876-878-201630-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
309 am cst tue jan 20 2026
sheboygan wi to pentwater mi south...
...heavy freezing spray warning in effect until noon cst today...
.today...west winds 15 to 25 kt becoming southwest 10 to 20 kt.
heavy freezing spray this morning. waves 6 to 9 ft occasionally
to 12 ft subsiding to 4 to 6 ft occasionally to 8 ft.
.tonight...southwest winds 15 to 25 kt increasing to 30 kt.
chance of snow in the evening, then snow overnight. waves 4 to
7 ft occasionally to 9 ft.
.wednesday...west winds 15 to 25 kt increasing to 30 kt. chance
of snow in the morning, then chance of snow showers in the
afternoon. waves 5 to 8 ft occasionally to 10 ft.
.wednesday night...west winds to 30 kt. snow showers likely in
the evening, then chance of snow showers overnight. freezing
spray overnight. waves 6 to 9 ft occasionally to 12 ft building
to 8 to 11 ft occasionally to 14 ft.
.thursday...west winds to 30 kt. freezing spray. chance of snow
in the afternoon. waves 8 to 11 ft occasionally to 14 ft.
.thursday night...west winds to 30 kt becoming northwest. heavy
freezing spray. chance of snow. waves 8 to 11 ft occasionally to
14 ft.
.friday...northwest winds to 30 kt diminishing to 15 to 25 kt.
heavy freezing spray. chance of snow. waves 8 to 11 ft
occasionally to 14 ft subsiding to 6 to 9 ft occasionally to
12 ft.
.saturday...northwest winds 10 to 20 kt. chance of snow. waves
3 to 5 ft.
$$
(14/20)
Latest Great Lakes Marine Forecast by KMKX
Issued 1/20/2026 3:09 AM US/Central.
Valid through 1/20/2026 10:30 AM US/Central.
fzus63 kmkx 200909
glflm
expires:202601201630;;203930
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am cst tue jan 20 2026
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.
.synopsis...
high pressure around 30.6 inches well southeast of the region will
shift east today. gusty west winds this morning will shift west
southwest this afternoon. elevated waves and arctic air will
continue to lead to areas of heavy freezing spray through this
morning. a heavy freezing spray warning remains in effect until
noon cst today for all of lake michigan.
west to southwest winds will continue tonight, with low pressure
around 29.8 inches moving across southern lake michigan wednesday
morning. west winds are expected behind the low wednesday
afternoon.
winds will increase further and shift west to northwest wednesday
night, as another arctic cold front crosses lake michigan. a few
gale force gusts may occur. gusty west to northwest winds thursday
will will turn mainly northwest friday, as strong high pressure
around 30.9 inches builds into the northern great plains. a few
gale force gusts may occur during this period.
arriving arctic air and elevated wave heights will support
additional periods of moderate to potentially heavy freezing spray
wednesday night into friday night.
lmz261-362-364-366-563-565-567-868-201630-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
309 am cst tue jan 20 2026
sheboygan wi to pentwater mi north...
...heavy freezing spray warning in effect until noon cst today...
.today...west winds to 30 kt. heavy freezing spray. waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft.
.tonight...southwest winds 15 to 25 kt becoming west 10 to 20 kt.
freezing spray in the evening. slight chance of snow overnight.
waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft.
.wednesday...northwest winds 10 to 15 kt becoming west 10 to
20 kt, then increasing to 15 to 25 kt late. chance of snow in the
morning, then chance of snow showers in the afternoon. waves 3 to
5 ft building to 4 to 7 ft occasionally to 9 ft.
.wednesday night...west winds to 30 kt. freezing spray. waves
6 to 9 ft occasionally to 12 ft.
.thursday...west winds to 30 kt. heavy freezing spray in the
morning, then freezing spray in the afternoon. waves 7 to 10 ft
occasionally to 13 ft.
.thursday night...west winds to 30 kt becoming northwest. heavy
freezing spray. waves 6 to 9 ft occasionally to 12 ft.
.friday...northwest winds to 30 kt. heavy freezing spray. waves
6 to 9 ft occasionally to 12 ft.
.saturday...northwest winds 10 to 15 kt becoming west. waves 2 to
4 ft.
$$
(15/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/20/2026 4:01 AM America/New_York.
Valid through 1/20/2026 4:00 PM America/New_York.
fzus63 kmqt 200901
glfls
expires:202601202100;;203139
open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 20 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
troughing of at least 30.0 inches is over lake superior while 30.5
inch high sits over the lower mississippi valley and a 29.7 inch low
is over hudson bay. by tuesday night, the high will shift over the
virginias at 30.6 inches while the low remains stationary.
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly
moving over lake michigan by wednesday morning while the a 29.8 inch
low drops south through ontario. by midday wednesday, the first low
will move over the michigan lower peninsula at 29.9 inches as the
second low deeps to 29.7 inches over lake superior by evening. these
features consolidate into a 29.7 inch low over northeastern ontario
wednesday night before shifting to quebec thursday morning. in the
wake of the low, 31.0 inch high pressure will be over saskatchewan,
shifting over the dakotas friday and overspreading the upper midwest
at around 30.7 inches saturday.
lsz266-202100-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 am est tue jan 20 2026
...heavy freezing spray warning in effect through late tonight...
.early this morning...west winds to 30 knots with a few gale
force gusts to 35 knots possible. heavy freezing spray. snow
showers. waves 8 to 11 feet occasionally to 14 feet.
.today...west winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots by mid afternoon.
heavy freezing spray. snow showers. waves building to 9 to
12 feet occasionally to 15 feet.
.tonight...west winds 20 to 30 knots diminishing to 15 to
25 knots late. heavy freezing spray. scattered snow showers.
waves subsiding to 4 to 7 feet occasionally to 9 feet.
.wednesday...southwest winds 10 to 20 knots becoming west 15 to
25 knots by mid afternoon. a chance of snow showers. waves
subsiding to 2 to 4 feet.
.wednesday night...west winds 20 to 30 knots becoming northwest
gales to 35 knots after midnight. heavy freezing spray. a chance
of snow showers. waves building to 7 to 10 feet occasionally to
13 feet.
.thursday...west gales to 35 knots. heavy freezing spray. snow
showers likely. waves building to 9 to 12 feet occasionally to
15 feet.
.thursday night...northwest gales to 40 knots. heavy freezing
spray. snow showers likely. waves subsiding to 8 to 11 feet
occasionally to 14 feet, then building to 9 to 12 feet
occasionally to 15 feet.
.friday...northwest gales to 35 knots diminishing to 20 to
30 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet.
.saturday...northwest winds 15 to 25 knots backing west. a chance
of snow showers. waves subsiding to 2 to 4 feet.
note, wave height forecasts are for ice free areas.
$$
(16/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/20/2026 4:01 AM America/New_York.
Valid through 1/20/2026 4:00 PM America/New_York.
fzus63 kmqt 200901
glfls
expires:202601202100;;203135
open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 20 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
troughing of at least 30.0 inches is over lake superior while 30.5
inch high sits over the lower mississippi valley and a 29.7 inch low
is over hudson bay. by tuesday night, the high will shift over the
virginias at 30.6 inches while the low remains stationary.
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly
moving over lake michigan by wednesday morning while the a 29.8 inch
low drops south through ontario. by midday wednesday, the first low
will move over the michigan lower peninsula at 29.9 inches as the
second low deeps to 29.7 inches over lake superior by evening. these
features consolidate into a 29.7 inch low over northeastern ontario
wednesday night before shifting to quebec thursday morning. in the
wake of the low, 31.0 inch high pressure will be over saskatchewan,
shifting over the dakotas friday and overspreading the upper midwest
at around 30.7 inches saturday.
lsz162-202100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est tue jan 20 2026 /300 am cst tue jan 20 2026/
.early this morning...west winds 15 to 25 knots. scattered snow
showers. waves 3 to 6 feet occasionally to 8 feet.
.today...west winds 15 to 25 knots. scattered snow showers. waves
3 to 6 feet occasionally to 8 feet.
.tonight...west winds 15 to 25 knots diminishing to 10 to
20 knots late. isolated snow showers. waves subsiding to 1 to
3 feet.
.wednesday...west winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of snow showers. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet.
.wednesday night...northwest winds 15 to 25 knots. waves building
to 3 to 5 feet occasionally to 7 feet.
.thursday...northwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. waves 3 to 5 feet occasionally to
7 feet.
.thursday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves subsiding to 2 to 4 feet.
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet.
.saturday...west winds 10 to 20 knots. waves calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
(17/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/20/2026 4:01 AM America/New_York.
Valid through 1/20/2026 4:00 PM America/New_York.
fzus63 kmqt 200901
glfls
expires:202601202100;;203140
open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 20 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
troughing of at least 30.0 inches is over lake superior while 30.5
inch high sits over the lower mississippi valley and a 29.7 inch low
is over hudson bay. by tuesday night, the high will shift over the
virginias at 30.6 inches while the low remains stationary.
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly
moving over lake michigan by wednesday morning while the a 29.8 inch
low drops south through ontario. by midday wednesday, the first low
will move over the michigan lower peninsula at 29.9 inches as the
second low deeps to 29.7 inches over lake superior by evening. these
features consolidate into a 29.7 inch low over northeastern ontario
wednesday night before shifting to quebec thursday morning. in the
wake of the low, 31.0 inch high pressure will be over saskatchewan,
shifting over the dakotas friday and overspreading the upper midwest
at around 30.7 inches saturday.
lsz267-202100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am est tue jan 20 2026
...heavy freezing spray warning in effect through wednesday
morning...
.early this morning...west winds 20 to 30 knots. heavy freezing
spray. snow showers. waves 7 to 11 feet occasionally to 13 feet.
.today...west winds 20 to 30 knots increasing to 30 knots with a
few gale force gusts to 35 knots possible. heavy freezing spray.
snow showers. waves building to 9 to 12 feet occasionally to
15 feet.
.tonight...southwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 15 to 25 knots late.
heavy freezing spray. scattered snow showers. waves subsiding to
4 to 7 feet occasionally to 9 feet.
.wednesday...southwest winds 15 to 25 knots diminishing to 10 to
20 knots by late morning, then increasing to 15 to 25 knots by
mid afternoon. freezing spray in the morning. a chance of snow
showers. waves subsiding to 2 to 4 feet.
.wednesday night...west winds 20 to 30 knots becoming northwest
gales to 35 knots after midnight. freezing spray. snow showers
likely. waves building to 7 to 10 feet occasionally to 13 feet.
.thursday...west gales to 35 knots. heavy freezing spray. snow
showers likely. waves building to 9 to 12 feet occasionally to
15 feet.
.thursday night...northwest gales to 35 knots. heavy freezing
spray. snow showers. waves subsiding to 8 to 11 feet occasionally
to 14 feet.
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray. snow showers likely. a chance of
snow showers. waves subsiding to 3 to 6 feet occasionally to
8 feet.
.saturday...northwest winds 10 to 20 knots backing west. a chance
of snow showers. waves subsiding to 2 to 4 feet.
note, wave height forecasts are for ice free areas.
$$
(18/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/20/2026 4:01 AM America/New_York.
Valid through 1/20/2026 4:00 PM America/New_York.
fzus63 kmqt 200901
glfls
expires:202601202100;;203136
open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 20 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
troughing of at least 30.0 inches is over lake superior while 30.5
inch high sits over the lower mississippi valley and a 29.7 inch low
is over hudson bay. by tuesday night, the high will shift over the
virginias at 30.6 inches while the low remains stationary.
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly
moving over lake michigan by wednesday morning while the a 29.8 inch
low drops south through ontario. by midday wednesday, the first low
will move over the michigan lower peninsula at 29.9 inches as the
second low deeps to 29.7 inches over lake superior by evening. these
features consolidate into a 29.7 inch low over northeastern ontario
wednesday night before shifting to quebec thursday morning. in the
wake of the low, 31.0 inch high pressure will be over saskatchewan,
shifting over the dakotas friday and overspreading the upper midwest
at around 30.7 inches saturday.
lsz263-202100-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 am est tue jan 20 2026
...heavy freezing spray warning in effect through this evening...
.early this morning...west winds 15 to 25 knots. heavy freezing
spray. scattered snow showers. waves 5 to 8 feet occasionally to
10 feet.
.today...west winds 15 to 25 knots increasing to 20 to 30 knots.
heavy freezing spray. scattered snow showers. waves building to
6 to 9 feet occasionally to 11 feet.
.tonight...west winds 15 to 25 knots diminishing to 10 to
20 knots late. freezing spray in the evening. scattered snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.wednesday...north winds 5 to 15 knots becoming west 10 to
20 knots. a chance of snow showers. waves subsiding to 1 to
3 feet, then building to 2 to 4 feet.
.wednesday night...northwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. heavy freezing spray. a slight
chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet.
.thursday...northwest winds 20 to 30 knots. heavy freezing spray.
a chance of snow showers. waves subsiding to 4 to 8 feet
occasionally to 10 feet.
.thursday night...northwest winds 20 to 30 knots. heavy freezing
spray. a chance of snow showers. waves 5 to 8 feet occasionally
to 10 feet.
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray. waves subsiding to 1 to 3 feet.
.saturday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet, then building to 1 to 3 feet.
note, wave height forecasts are for ice free areas.
$$
(19/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/20/2026 4:01 AM America/New_York.
Valid through 1/20/2026 4:00 PM America/New_York.
fzus63 kmqt 200901
glfls
expires:202601202100;;203137
open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 20 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
troughing of at least 30.0 inches is over lake superior while 30.5
inch high sits over the lower mississippi valley and a 29.7 inch low
is over hudson bay. by tuesday night, the high will shift over the
virginias at 30.6 inches while the low remains stationary.
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly
moving over lake michigan by wednesday morning while the a 29.8 inch
low drops south through ontario. by midday wednesday, the first low
will move over the michigan lower peninsula at 29.9 inches as the
second low deeps to 29.7 inches over lake superior by evening. these
features consolidate into a 29.7 inch low over northeastern ontario
wednesday night before shifting to quebec thursday morning. in the
wake of the low, 31.0 inch high pressure will be over saskatchewan,
shifting over the dakotas friday and overspreading the upper midwest
at around 30.7 inches saturday.
lsz264-202100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am est tue jan 20 2026
...heavy freezing spray warning in effect through this evening...
.early this morning...west winds 15 to 25 knots. heavy freezing
spray. scattered snow showers. waves 4 to 7 feet occasionally to
9 feet.
.today...west winds 20 to 30 knots. heavy freezing spray.
scattered snow showers. waves building to 6 to 9 feet
occasionally to 11 feet.
.tonight...west winds 15 to 25 knots becoming northwest 10 to
20 knots late. freezing spray in the evening. scattered snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.wednesday...northwest winds 5 to 15 knots increasing to 10 to
20 knots. a chance of snow showers. waves subsiding to 1 to
3 feet, then building to 2 to 4 feet.
.wednesday night...northwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. heavy freezing spray. a slight
chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet.
.thursday...northwest winds 20 to 30 knots. heavy freezing spray.
a chance of snow showers. waves subsiding to 4 to 7 feet
occasionally to 9 feet.
.thursday night...northwest winds 20 to 30 knots. heavy freezing
spray. a chance of snow showers. waves building to 6 to 9 feet
occasionally to 11 feet.
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 2 to 4 feet.
.saturday...northwest winds 10 to 20 knots becoming west 5 to
15 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet.
note, wave height forecasts are for ice free areas.
$$
(20/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/20/2026 4:01 AM America/New_York.
Valid through 1/20/2026 4:00 PM America/New_York.
fzus63 kmqt 200901
glfls
expires:202601202100;;203138
open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 20 2026
for waters beyond 5 nautical miles of shore on lake superior.
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
.synopsis...
troughing of at least 30.0 inches is over lake superior while 30.5
inch high sits over the lower mississippi valley and a 29.7 inch low
is over hudson bay. by tuesday night, the high will shift over the
virginias at 30.6 inches while the low remains stationary.
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly
moving over lake michigan by wednesday morning while the a 29.8 inch
low drops south through ontario. by midday wednesday, the first low
will move over the michigan lower peninsula at 29.9 inches as the
second low deeps to 29.7 inches over lake superior by evening. these
features consolidate into a 29.7 inch low over northeastern ontario
wednesday night before shifting to quebec thursday morning. in the
wake of the low, 31.0 inch high pressure will be over saskatchewan,
shifting over the dakotas friday and overspreading the upper midwest
at around 30.7 inches saturday.
lsz265-202100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am est tue jan 20 2026
...heavy freezing spray warning in effect through late tonight...
.early this morning...west winds to 30 knots with a few gale
force gusts to 35 knots possible. heavy freezing spray. numerous
snow showers. waves 4 to 7 feet occasionally to 9 feet.
.today...west winds to 30 knots with a few gale force gusts to
35 knots possible. heavy freezing spray. numerous snow showers in
the morning. scattered snow showers in the afternoon. waves
building to 5 to 8 feet occasionally to 10 feet.
.tonight...southwest winds 20 to 30 knots diminishing to 15 to
25 knots late. heavy freezing spray in the evening. scattered
snow showers. waves subsiding to 2 to 4 feet.
.wednesday...southwest winds 15 to 25 knots veering west by mid
afternoon. a chance of snow showers. waves subsiding to calm to
2 feet, then building to 2 to 4 feet.
.wednesday night...west winds 20 to 30 knots increasing to gales
to 35 knots after midnight. heavy freezing spray. a chance of
snow showers. waves building to 5 to 8 feet occasionally to
10 feet.
.thursday...west gales to 40 knots. heavy freezing spray. a
chance of snow showers. waves 5 to 8 feet occasionally to
10 feet.
.thursday night...northwest gales to 40 knots. heavy freezing
spray. snow showers likely in the evening. a chance of snow
showers after midnight. waves building to 6 to 9 feet
occasionally to 11 feet.
.friday...northwest gales to 35 knots diminishing to 20 to
30 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 2 to 4 feet.
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
|