(1/12)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/9/2026 3:48 PM America/New_York.
Valid through 2/10/2026 12:00 AM America/New_York.
fzus63 kdtx 092048
glflh
expires:202602100500;;364154
open lake forecast for lake huron
national weather service detroit/pontiac mi
348 pm est mon feb 9 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...low pressure, 29.60 inches, to travel from northern
lake superior to lake ontario late tonight through early
wednesday morning. this will push a cold front across the great
lakes starting late tomorrow night, bringing occasional gust to
gales across northern lake huron. high pressure, 30.40 inches,
then builds over the great lakes through the midweek period.
lhz361-362-100500-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
348 pm est mon feb 9 2026
.tonight...south winds 15 to 20 knots. a chance of snow in the
evening...then snow with sleet likely after midnight. waves 4 to
6 feet.
.tuesday...south winds 10 to 15 knots veering to the west early
in the afternoon...then increasing to 15 to 20 knots with gusts
to around 30 knots late in the afternoon. a chance of snow in the
morning. waves 5 to 7 feet. waves occasionally around 10 feet.
.tuesday night...west winds 20 to 25 knots increasing to 30 knots
in the late evening and overnight. gusts to 35 knot gales. waves
8 to 12 feet. waves occasionally around 15 feet.
.wednesday...northwest winds 20 to 25 knots. gusts to 35 knot
gales until late afternoon. waves 8 to 12 feet. waves
occasionally around 15 feet.
.wednesday night...northwest winds 20 to 25 knots decreasing to
10 to 15 knots. waves 6 to 9 feet. waves occasionally around
12 feet.
.thursday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.friday...west winds 5 to 10 knots becoming southwest 10 to
15 knots. waves 1 to 3 feet.
.saturday...west winds 5 to 10 knots backing to the south early
in the evening...then increasing to 10 to 15 knots by midnight.
waves 1 to 3 feet building to 2 to 4 feet by midnight.
wave heights are for ice free areas.
$$
(2/12)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/9/2026 3:48 PM America/New_York.
Valid through 2/10/2026 12:00 AM America/New_York.
fzus63 kdtx 092048
glflh
expires:202602100500;;364155
open lake forecast for lake huron
national weather service detroit/pontiac mi
348 pm est mon feb 9 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...low pressure, 29.60 inches, to travel from northern
lake superior to lake ontario late tonight through early
wednesday morning. this will push a cold front across the great
lakes starting late tomorrow night, bringing occasional gust to
gales across northern lake huron. high pressure, 30.40 inches,
then builds over the great lakes through the midweek period.
lhz363-462>464-100500-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
348 pm est mon feb 9 2026
.tonight...south winds 10 to 15 knots. a chance of snow and
freezing rain in the evening...then snow...freezing rain and
sleet likely after midnight. waves 3 to 5 feet.
.tuesday...south winds 10 to 15 knots veering to the west in the
afternoon. a chance of snow in the morning. waves 3 to 5 feet.
.tuesday night...west winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots in the late evening and
overnight. waves 6 to 9 feet. waves occasionally around 12 feet.
.wednesday...west winds 15 to 20 knots with gusts to around
30 knots becoming northwest 20 to 25 knots with gusts to around
30 knots in the late morning and early afternoon...then
decreasing to 15 to 20 knots early in the afternoon. waves 8 to
12 feet. waves occasionally around 15 feet.
.wednesday night...northwest winds 15 to 20 knots decreasing to
10 to 15 knots after midnight. waves 6 to 9 feet. waves
occasionally around 12 feet.
.thursday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet late in the afternoon.
.friday...west winds 5 to 10 knots backing to the southwest early
in the evening...then increasing to 10 to 15 knots by midnight.
waves 1 to 3 feet.
.saturday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots until early evening...then becoming southeast 10 to
15 knots by midnight. waves 1 to 3 feet building to 2 to 4 feet
by midnight.
wave heights are for ice free areas.
$$
(3/12)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/9/2026 9:55 AM America/New_York.
Valid through 2/9/2026 6:00 PM America/New_York.
fzus63 kdtx 091455
glflh
expires:202602092300;;350079
open lake forecast for lake huron
national weather service detroit/pontiac mi
955 am est mon feb 9 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...southerly flow strengthens today as low pressure,
29.80 inches, approaches the great lakes. this system will bring
widespread snow to much of lake huron tonight into tuesday. a
strong cold front then sweeps east to west across the region
tuesday afternoon, setting up marginal gale potential.
lhz462>464-092300-
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-
955 am est mon feb 9 2026
.rest of today...south winds around 15 knots.
.tonight...south winds 10 to 15 knots. a chance of snow and sleet
likely in the evening...then snow...sleet likely and a chance of
freezing rain after midnight.
.tuesday...south winds 10 to 15 knots veering to the west early
in the afternoon. a chance of snow in the morning.
.tuesday night...west winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight.
.wednesday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots late in the afternoon.
.thursday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots .
.friday...west winds 5 to 10 knots backing to the southwest by
midnight.
waves omitted due to ice coverage.
$$
(4/12)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/9/2026 9:55 AM America/New_York.
Valid through 2/9/2026 6:00 PM America/New_York.
fzus63 kdtx 091455
glflh
expires:202602092300;;350078
open lake forecast for lake huron
national weather service detroit/pontiac mi
955 am est mon feb 9 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...southerly flow strengthens today as low pressure,
29.80 inches, approaches the great lakes. this system will bring
widespread snow to much of lake huron tonight into tuesday. a
strong cold front then sweeps east to west across the region
tuesday afternoon, setting up marginal gale potential.
lhz361>363-092300-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
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-
955 am est mon feb 9 2026
.rest of today...south winds around 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet.
.tonight...south winds 15 to 20 knots decreasing to 10 to
15 knots after midnight...then increasing to 15 to 20 knots early
in the morning. snow and sleet likely in the evening...then snow
likely after midnight. waves 4 to 6 feet.
.tuesday...south winds 10 to 15 knots becoming west 15 to
20 knots with gusts to around 30 knots early in the afternoon. a
chance of snow in the morning. waves 5 to 7 feet. waves
occasionally around 10 feet.
.tuesday night...west winds 20 to 25 knots with gusts to around
30 knots. waves 8 to 12 feet. waves occasionally around 15 feet.
.wednesday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. freezing spray in the
morning. waves 6 to 9 feet. waves occasionally around 12 feet.
.thursday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots . waves 2 to 4 feet subsiding to 1 to 3 feet.
.friday...west winds 5 to 10 knots becoming southwest 10 to
15 knots. waves 1 to 3 feet.
wave heights are for ice free areas.
$$
(5/12)
Latest Great Lakes Marine Forecast by KMKX
Issued 2/9/2026 2:41 PM US/Central.
Valid through 2/9/2026 10:15 PM US/Central.
fzus63 kmkx 092041
glflm
expires:202602100415;;364000
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
241 pm cst mon feb 9 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...
brisk southerly winds will linger over lake michigan into
tonight, as low pressure around 29.6 inches crosses northern
ontario. a cold front will cross lake michigan later tonight into
early tuesday, bringing brisk west to northwest winds tuesday
through wednesday.
high pressure around 30.3 inches will cross the great lakes
wednesday night into thursday, bringing lighter winds. winds
should remain light thursday night into saturday.
lmz261-362-364-366-563-565-567-868-100415-
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-
241 pm cst mon feb 9 2026
sheboygan wi to pentwater mi north...
.tonight...south winds 15 to 25 kt becoming southwest 10 to
20 kt. scattered snow showers with possible freezing rain and
rain showers this evening, then scattered snow showers with a
chance of light freezing rain overnight. waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 6 ft occasionally to
8 ft.
.tuesday...west winds 10 to 20 kt becoming northwest 15 to 25 kt.
waves 4 to 7 ft occasionally to 9 ft.
.tuesday night...northwest winds 15 to 25 kt increasing to 30 kt.
waves 5 to 8 ft occasionally to 10 ft.
.wednesday...northwest winds to 30 kt diminishing to 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft.
.wednesday night...northwest winds 10 to 20 kt diminishing to
10 to 15 kt. waves 3 to 5 ft.
.thursday...north winds 5 to 10 kt becoming northwest. waves 1 to
3 ft.
.thursday night...southwest winds 5 to 10 kt increasing to 10 to
15 kt. waves 1 to 2 ft.
.friday...southwest winds 10 to 15 kt. waves 1 to 3 ft.
.saturday...southwest winds 10 to 15 kt becoming south. waves
2 to 4 ft.
$$
(6/12)
Latest Great Lakes Marine Forecast by KMKX
Issued 2/9/2026 2:41 PM US/Central.
Valid through 2/9/2026 10:15 PM US/Central.
fzus63 kmkx 092041
glflm
expires:202602100415;;364001
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
241 pm cst mon feb 9 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...
brisk southerly winds will linger over lake michigan into
tonight, as low pressure around 29.6 inches crosses northern
ontario. a cold front will cross lake michigan later tonight into
early tuesday, bringing brisk west to northwest winds tuesday
through wednesday.
high pressure around 30.3 inches will cross the great lakes
wednesday night into thursday, bringing lighter winds. winds
should remain light thursday night into saturday.
lmz080-669-671-673-675-777-779-870-872-874-876-878-100415-
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-
241 pm cst mon feb 9 2026
sheboygan wi to pentwater mi south...
.tonight...south winds 10 to 20 kt becoming southwest. waves 4 to
6 ft occasionally to 8 ft.
.tuesday...west winds 15 to 25 kt becoming northwest. waves 3 to
5 ft building to 5 to 8 ft occasionally to 10 ft.
.tuesday night...northwest winds 15 to 25 kt. waves 6 to 9 ft
occasionally to 12 ft.
.wednesday...northwest winds 15 to 25 kt. waves 6 to 9 ft
occasionally to 12 ft.
.wednesday night...northwest winds 10 to 20 kt becoming north
10 to 15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to
2 to 4 ft.
.thursday...north winds 5 to 10 kt becoming northeast. waves 1 to
3 ft.
.thursday night...southeast winds 5 to 10 kt becoming south.
waves 1 to 2 ft.
.friday...south winds 10 to 15 kt. waves 1 to 3 ft.
.saturday...south winds 10 to 20 kt becoming southeast 10 to
15 kt. waves 2 to 4 ft.
$$
(7/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/9/2026 4:01 PM America/New_York.
Valid through 2/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092101
glfls
expires:202602100900;;364586
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon feb 9 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...
lake superior is currently between a 30.5 inch high over the lower
great lakes and a 29.7 inch low over lake winnipeg. today through
tuesday afternoon, this low will slowly push just north of lake
superior, dragging a 29.8 inch trough over the lake as it
progresses. as the low shifts to the ontario/quebec line tuesday
night, high pressure of 30.3 inches builds over the northern plains.
this high gradually settles over the great lakes by thursday
morning, building to 30.4 inches. friday, the high moves to the
southern portion of the great lakes while a 29.9 inch low moves
across northern ontario. this weekend, high pressure resumes over
the great lakes as a whole before another clipper low pressure moves
across manitoba and ontario while a colorado low develops.
lsz267-100900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est mon feb 9 2026
...gale watch in effect from tuesday morning through late tuesday
night...
.late this afternoon...south winds 20 to 30 knots. a chance of
snow showers. waves 3 to 6 feet occasionally to 8 feet.
.tonight...south winds 15 to 25 knots diminishing to 10 to
20 knots late. a chance of snow showers in the evening, then snow
showers after midnight. waves subsiding to 1 to 3 feet.
.tuesday...west winds 10 to 20 knots increasing to 20 to 30 knots
by late morning, then becoming northwest gales to 35 knots by mid
afternoon. snow showers in the morning, then a chance of snow
showers in the afternoon. waves subsiding to calm to 2 feet, then
building to 9 to 12 feet occasionally to 15 feet.
.tuesday night...northwest gales to 35 knots diminishing to 20 to
30 knots late. a chance of snow showers. freezing spray after
midnight. waves subsiding to 7 to 10 feet occasionally to
13 feet.
.wednesday...north winds 20 to 30 knots becoming northwest 15 to
25 knots in the afternoon. freezing spray. waves subsiding to
3 to 6 feet occasionally to 8 feet.
.wednesday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet.
.thursday...north winds 5 to 15 knots backing northwest in the
afternoon. waves calm to 2 feet.
.thursday night...southwest winds 5 to 15 knots. waves calm to
2 feet.
.friday...southwest winds 5 to 15 knots veering west. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet.
note, wave height forecasts are for ice free areas.
$$
(8/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/9/2026 4:01 PM America/New_York.
Valid through 2/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092101
glfls
expires:202602100900;;364581
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon feb 9 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...
lake superior is currently between a 30.5 inch high over the lower
great lakes and a 29.7 inch low over lake winnipeg. today through
tuesday afternoon, this low will slowly push just north of lake
superior, dragging a 29.8 inch trough over the lake as it
progresses. as the low shifts to the ontario/quebec line tuesday
night, high pressure of 30.3 inches builds over the northern plains.
this high gradually settles over the great lakes by thursday
morning, building to 30.4 inches. friday, the high moves to the
southern portion of the great lakes while a 29.9 inch low moves
across northern ontario. this weekend, high pressure resumes over
the great lakes as a whole before another clipper low pressure moves
across manitoba and ontario while a colorado low develops.
lsz162-100900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est mon feb 9 2026 /300 pm cst mon feb 9 2026/
.late this afternoon...southwest winds 10 to 20 knots. waves calm
to 2 feet.
.tonight...southwest winds 10 to 20 knots veering west by
midnight. a slight chance of rain and snow showers in the
evening. waves calm to 2 feet.
.tuesday...west winds 15 to 25 knots increasing to 20 to 30 knots
by late morning, then veering northwest by mid afternoon. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.tuesday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots late. waves calm to 2 feet.
.wednesday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet.
.wednesday night...northwest winds less than 10 knots veering
north after midnight. waves calm to 2 feet.
.thursday...east winds less than 10 knots becoming south 5 to
15 knots in the afternoon. waves calm to 2 feet.
.thursday night...southwest winds 5 to 15 knots. waves calm to
2 feet.
.friday...southwest winds 5 to 15 knots. waves calm to 2 feet.
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
(9/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/9/2026 4:01 PM America/New_York.
Valid through 2/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092101
glfls
expires:202602100900;;364582
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon feb 9 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...
lake superior is currently between a 30.5 inch high over the lower
great lakes and a 29.7 inch low over lake winnipeg. today through
tuesday afternoon, this low will slowly push just north of lake
superior, dragging a 29.8 inch trough over the lake as it
progresses. as the low shifts to the ontario/quebec line tuesday
night, high pressure of 30.3 inches builds over the northern plains.
this high gradually settles over the great lakes by thursday
morning, building to 30.4 inches. friday, the high moves to the
southern portion of the great lakes while a 29.9 inch low moves
across northern ontario. this weekend, high pressure resumes over
the great lakes as a whole before another clipper low pressure moves
across manitoba and ontario while a colorado low develops.
lsz263-100900-
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 pm est mon feb 9 2026
.late this afternoon...southwest winds 10 to 20 knots. waves 1 to
3 feet.
.tonight...southwest winds 5 to 15 knots becoming west 10 to
20 knots late. a chance of snow showers. waves subsiding to calm
to 2 feet, then building to 1 to 3 feet.
.tuesday...west winds 15 to 25 knots increasing to 20 to 30 knots
by late morning, then veering northwest by mid afternoon. a
chance of snow showers. waves building to 3 to 6 feet
occasionally to 8 feet.
.tuesday night...northwest winds 15 to 25 knots. a slight chance
of snow showers in the evening. waves subsiding to 2 to 4 feet.
.wednesday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. waves subsiding to calm to 2 feet.
.wednesday night...northwest winds 5 to 15 knots diminishing to
less than 10 knots after midnight. waves calm to 2 feet.
.thursday...south winds less than 10 knots. waves calm to 2 feet.
.thursday night...southwest winds 5 to 15 knots. waves calm to
2 feet.
.friday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves calm to 2 feet.
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
(10/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/9/2026 4:01 PM America/New_York.
Valid through 2/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092101
glfls
expires:202602100900;;364583
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon feb 9 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...
lake superior is currently between a 30.5 inch high over the lower
great lakes and a 29.7 inch low over lake winnipeg. today through
tuesday afternoon, this low will slowly push just north of lake
superior, dragging a 29.8 inch trough over the lake as it
progresses. as the low shifts to the ontario/quebec line tuesday
night, high pressure of 30.3 inches builds over the northern plains.
this high gradually settles over the great lakes by thursday
morning, building to 30.4 inches. friday, the high moves to the
southern portion of the great lakes while a 29.9 inch low moves
across northern ontario. this weekend, high pressure resumes over
the great lakes as a whole before another clipper low pressure moves
across manitoba and ontario while a colorado low develops.
lsz264-100900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est mon feb 9 2026
.late this afternoon...southwest winds 10 to 20 knots. waves 3 to
5 feet occasionally to 7 feet subsiding to 2 to 4 feet.
.tonight...southwest winds 5 to 15 knots becoming west 10 to
20 knots late. a slight chance of freezing rain and snow showers
after midnight. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet.
.tuesday...west winds 15 to 25 knots increasing to 20 to 30 knots
by late morning, then veering northwest by mid afternoon. a
chance of snow showers. freezing spray in the afternoon. waves
building to 5 to 8 feet occasionally to 10 feet.
.tuesday night...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots by
midnight. a slight chance of snow showers in the evening.
freezing spray. waves subsiding to 4 to 7 feet occasionally to
9 feet.
.wednesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. waves subsiding to 1 to 3 feet.
.wednesday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet.
.thursday...northwest winds less than 10 knots backing southwest
in the afternoon. waves calm to 2 feet.
.thursday night...southwest winds 5 to 15 knots. waves calm to
2 feet.
.friday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves calm to 2 feet.
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
(11/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/9/2026 4:01 PM America/New_York.
Valid through 2/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092101
glfls
expires:202602100900;;364584
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon feb 9 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...
lake superior is currently between a 30.5 inch high over the lower
great lakes and a 29.7 inch low over lake winnipeg. today through
tuesday afternoon, this low will slowly push just north of lake
superior, dragging a 29.8 inch trough over the lake as it
progresses. as the low shifts to the ontario/quebec line tuesday
night, high pressure of 30.3 inches builds over the northern plains.
this high gradually settles over the great lakes by thursday
morning, building to 30.4 inches. friday, the high moves to the
southern portion of the great lakes while a 29.9 inch low moves
across northern ontario. this weekend, high pressure resumes over
the great lakes as a whole before another clipper low pressure moves
across manitoba and ontario while a colorado low develops.
lsz265-100900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est mon feb 9 2026
...gale watch in effect from tuesday morning through late tuesday
night...
.late this afternoon...south winds 10 to 20 knots. a slight
chance of freezing rain and snow showers. waves calm to 2 feet.
.tonight...south winds 10 to 20 knots veering west late. a chance
of snow showers. a slight chance of freezing rain after midnight.
waves calm to 2 feet.
.tuesday...west winds 15 to 25 knots increasing to gales to
40 knots. a slight chance of snow showers. waves building to 2 to
4 feet.
.tuesday night...northwest gales to 40 knots. a slight chance of
snow showers in the evening. waves building to 3 to 6 feet
occasionally to 8 feet.
.wednesday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. waves subsiding to 2 to 4 feet.
.wednesday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet.
.thursday...west winds 5 to 15 knots backing south in the
afternoon. waves calm to 2 feet.
.thursday night...south winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. waves calm to 2 feet.
.friday...west winds 10 to 20 knots. waves calm to 2 feet.
.saturday...southwest winds 10 to 20 knots backing south. waves
calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
(12/12)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/9/2026 4:01 PM America/New_York.
Valid through 2/10/2026 4:00 AM America/New_York.
fzus63 kmqt 092101
glfls
expires:202602100900;;364585
open lake forecast for lake superior
national weather service marquette mi
400 pm est mon feb 9 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...
lake superior is currently between a 30.5 inch high over the lower
great lakes and a 29.7 inch low over lake winnipeg. today through
tuesday afternoon, this low will slowly push just north of lake
superior, dragging a 29.8 inch trough over the lake as it
progresses. as the low shifts to the ontario/quebec line tuesday
night, high pressure of 30.3 inches builds over the northern plains.
this high gradually settles over the great lakes by thursday
morning, building to 30.4 inches. friday, the high moves to the
southern portion of the great lakes while a 29.9 inch low moves
across northern ontario. this weekend, high pressure resumes over
the great lakes as a whole before another clipper low pressure moves
across manitoba and ontario while a colorado low develops.
lsz266-100900-
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 pm est mon feb 9 2026
...gale watch in effect from tuesday morning through late tuesday
night...
.late this afternoon...south winds 15 to 25 knots. a slight
chance of freezing rain and snow showers. waves 3 to 6 feet
occasionally to 8 feet.
.tonight...south winds 15 to 25 knots veering southwest by
midnight, then becoming west 10 to 20 knots late. a chance of
snow showers. waves subsiding to 1 to 3 feet.
.tuesday...west winds 15 to 25 knots becoming northwest gales to
35 knots. a chance of snow showers. freezing spray in the
afternoon. waves building to 9 to 12 feet occasionally to
15 feet.
.tuesday night...northwest gales to 40 knots. freezing spray. a
chance of snow showers. waves subsiding to 8 to 11 feet
occasionally to 14 feet.
.wednesday...northwest winds 20 to 30 knots. a slight chance of
snow showers in the morning. freezing spray. waves subsiding to
4 to 7 feet occasionally to 9 feet.
.wednesday night...northwest winds 15 to 25 knots becoming north
5 to 15 knots after midnight. waves subsiding to 1 to 3 feet.
.thursday...northwest winds 5 to 15 knots backing west in the
afternoon. waves subsiding to calm to 2 feet.
.thursday night...southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves calm to 2 feet.
.friday...west winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet.
.saturday...south winds 10 to 20 knots. waves building to 1 to
3 feet.
note, wave height forecasts are for ice free areas.
$$
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