fzus61 kbuf 241503
glflo 
expires:202602242200;;179255

open lake forecast for lake ontario
national weather service buffalo ny
1003 am est tue feb 24 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 strong 28.8 inch low will continue to move northeast 
to the canadian maritimes while a 30.1 inch ridge will briefly build 
over the lower great lakes today. a 29.4 inch low will then track 
from the upper great lakes to the ottawa valley through wednesday, 
with a trailing cold front crossing the lake wednesday afternoon. a 
surface low of 29.5 inches will track from the tennessee valley to 
the gulf of maine from thursday through friday, staying well south 
and east of the lake. a 28.9 inch low is expected to move near james 
bay saturday.


loz064-065-242200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1003 am est tue feb 24 2026

.rest of today...northwest winds 15 to 20 knots becoming west
10 to 15 knots. a chance of snow showers. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tonight...south winds 5 to 15 knots increasing to 15 to
25 knots. a chance of snow showers late in the evening. snow
after midnight. waves 2 feet or less building to 3 to 6 feet. 
.wednesday...south winds 20 to 25 knots becoming west. snow
likely. waves 3 to 6 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 
.wednesday night...west winds 15 to 25 knots. snow showers
likely. waves 6 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet. 
.thursday...west winds 5 to 15 knots becoming northwest. a chance
of snow showers during the day. waves 3 to 6 feet subsiding to
1 to 3 feet. 
.friday...south winds 5 to 10 knots increasing to 15 to 25 knots.
waves 2 feet or less building to 3 to 6 feet. 
.saturday...southwest winds 15 to 25 knots becoming northwest. a
chance of snow showers saturday night. waves 5 to 8 feet. waves
occasionally around 10 feet. 

$$

fzus61 kbuf 241503
glflo 
expires:202602242200;;179254

open lake forecast for lake ontario
national weather service buffalo ny
1003 am est tue feb 24 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 strong 28.8 inch low will continue to move northeast 
to the canadian maritimes while a 30.1 inch ridge will briefly build 
over the lower great lakes today. a 29.4 inch low will then track 
from the upper great lakes to the ottawa valley through wednesday, 
with a trailing cold front crossing the lake wednesday afternoon. a 
surface low of 29.5 inches will track from the tennessee valley to 
the gulf of maine from thursday through friday, staying well south 
and east of the lake. a 28.9 inch low is expected to move near james 
bay saturday.


loz062-063-242200-
lake ontario open waters from the niagara river to sodus bay-
1003 am est tue feb 24 2026

.rest of today...northwest winds 15 to 20 knots becoming
southwest 10 to 15 knots. a chance of snow showers late this
morning. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...south winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. snow. a chance of snow showers
late. waves 1 to 3 feet building to 3 to 6 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west to
30 knots. a chance of snow showers. waves 3 to 6 feet building to
6 to 9 feet. waves occasionally around 11 feet. 
.wednesday night...west winds 15 to 25 knots. snow showers
likely. waves 6 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet. 
.thursday...west winds 5 to 15 knots becoming northwest. waves
3 to 6 feet subsiding to 1 to 3 feet. 
.friday...southwest winds 10 to 15 knots increasing to 30 knots.
waves 1 to 3 feet building to 5 to 8 feet. waves occasionally
around 10 feet. 
.saturday...southwest winds 20 to 25 knots becoming northwest. a
chance of snow showers saturday night. waves 5 to 8 feet. waves
occasionally around 10 feet. 

$$

fzus61 kcle 242021
glfle 
expires:202602250345;;193137

open lake forecast for lake erie
national weather service cleveland oh
321 pm est tue feb 24 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...
a ridge averaging 30.10 inches has briefly built over lake erie 
today before exiting to the east by this evening. low pressure 
29.20 inches will move northeast across lake superior and southern
ontario tonight into early wednesday, pushing a cold front east 
across the lake early wednesday. low pressure 29.70 inches will 
track east across the ohio valley thursday, followed by high 
pressure 30.00 inches friday. a cold front will likely move across
the lower great lakes saturday.


lez061-168-169-250345-
ripley to buffalo ny extending from 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-
321 pm est tue feb 24 2026

.tonight...south winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. a slight chance of snow early, then
snow. a chance of snow late. the lake is mostly ice covered.
.wednesday...southwest winds 15 to 25 knots becoming west. a
slight chance of snow early. a chance of snow late. 
.wednesday night...west winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of snow in the evening. 
.thursday...west winds 10 knots or less. 
.thursday night...south winds 10 knots or less. 
.friday...south winds 5 to 10 knots becoming southwest and
increasing to 15 to 25 knots. 
.saturday...southwest winds 15 to 20 knots becoming north 5 to
15 knots. a chance of snow saturday night. 
.sunday...north winds 10 to 15 knots becoming northeast. a chance
of snow sunday night. 

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 242021
glfle 
expires:202602250345;;193136

open lake forecast for lake erie
national weather service cleveland oh
321 pm est tue feb 24 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...
a ridge averaging 30.10 inches has briefly built over lake erie 
today before exiting to the east by this evening. low pressure 
29.20 inches will move northeast across lake superior and southern
ontario tonight into early wednesday, pushing a cold front east 
across the lake early wednesday. low pressure 29.70 inches will 
track east across the ohio valley thursday, followed by high 
pressure 30.00 inches friday. a cold front will likely move across
the lower great lakes saturday.


lez164>167-250345-
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-
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-
321 pm est tue feb 24 2026

.tonight...south winds 15 to 25 knots becoming southwest. a
slight chance of snow early, then snow. a chance of snow late.
waves in ice free areas 2 to 4 feet building to 3 to 5 feet. 
.wednesday...west winds 15 to 25 knots. a slight chance of snow
late. waves 2 to 4 feet. 
.wednesday night...west winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.thursday...west winds 10 knots or less. waves 1 foot or less. 
.thursday night...southeast winds 10 knots or less becoming
south. waves 1 foot or less. 
.friday...south winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. waves 1 foot or less building to
3 to 5 feet. 
.saturday...west winds 15 to 20 knots becoming north. a chance of
snow saturday night. waves 2 to 4 feet building to 3 to 5 feet. 
.sunday...north winds 15 to 20 knots becoming northeast. a chance
of snow sunday night. waves 3 to 5 feet subsiding to 2 to 4 feet.

wave heights are for ice free areas.

$$

fzus61 kcle 242021
glfle 
expires:202602250345;;193135

open lake forecast for lake erie
national weather service cleveland oh
321 pm est tue feb 24 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...
a ridge averaging 30.10 inches has briefly built over lake erie 
today before exiting to the east by this evening. low pressure 
29.20 inches will move northeast across lake superior and southern
ontario tonight into early wednesday, pushing a cold front east 
across the lake early wednesday. low pressure 29.70 inches will 
track east across the ohio valley thursday, followed by high 
pressure 30.00 inches friday. a cold front will likely move across
the lower great lakes saturday.


lez162-163-250345-
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-
321 pm est tue feb 24 2026

.tonight...south winds 15 to 20 knots becoming west. a slight
chance of snow early, then snow late this evening. a chance of
snow after midnight. waves in ice free areas 1 to 3 feet. 
.wednesday...west winds 15 to 20 knots. waves 1 to 3 feet. 
.wednesday night...west winds 5 to 15 knots diminishing to less
than 10 knots. waves 2 feet or less. 
.thursday...northwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.thursday night...southeast winds 5 to 10 knots becoming
southwest. waves 1 foot or less. 
.friday...southwest winds 5 to 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming north 15 to
20 knots. a chance of snow saturday night. waves 2 feet or less
building to 2 to 4 feet. 
.sunday...north winds 15 to 20 knots becoming northeast. a chance
of snow sunday night. waves 2 to 4 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 241437
glfsc 
expires:202602242245;;178191

lake st clair forecast
national weather service detroit/pontiac mi
937 am est tue feb 24 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...high pressure, 30.10 inches, this morning drifts east
as the next clipper system tracks across lake superior today.
widespread snow and southerly flow gusting to 30 knots will be
possible before the system departs late tonight.


lcz460-242245-
lake st clair-
937 am est tue feb 24 2026

.rest of today...south winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon. partly sunny.
.tonight...south winds 20 to 25 knots becoming southwest 10 to 15
knots. mostly cloudy. light snow showers likely early in the
evening...then a chance of light snow showers late in the evening.
.wednesday...west winds 15 to 20 knots. mostly cloudy.
.wednesday night...west winds 10 to 15 knots diminishing to 5 to 10
knots in the late evening and overnight. partly cloudy.
.thursday...north winds 5 to 10 knots veering to the southeast in
the evening. partly sunny becoming mostly clear.
.friday...south winds 15 to 20 knots. mostly clear.
.saturday...north winds 15 to 20 knots. partly cloudy. a chance of
light snow.

waves omitted due to ice coverage.

$$

fzus63 kdtx 241437
glflh 
expires:202602242245;;178187

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 am est tue feb 24 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...high pressure, 30.10 inches, this morning drifts east
as the next clipper system tracks across lake superior today.
widespread snow and southerly flow gusting to 30 knots will be
possible before the system departs late tonight.


lhz361-362-242245-
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-
937 am est tue feb 24 2026

.rest of today...southeast winds 10 to 15 knots becoming south
20 to 25 knots. snow showers in the afternoon. freezing spray in
the afternoon. snow may be heavy at times in the afternoon. waves
1 to 3 feet building to 6 to 9 feet. waves occasionally around
12 feet. 
.tonight...south winds 20 to 25 knots with gusts to around
30 knots becoming west 15 to 20 knots after midnight. snow
showers in the evening...then a chance of snow showers after
midnight. waves 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday...west winds 20 to 25 knots. gusts to 30 knots in the
late morning and afternoon. a chance of snow showers. freezing
spray in the afternoon. waves 8 to 12 feet. waves occasionally
around 15 feet. 
.wednesday night...west winds 20 to 25 knots decreasing to 10 to
15 knots. freezing spray in the evening. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.thursday...west winds 5 to 10 knots backing to the south late in
the afternoon...then becoming southwest 10 to 15 knots late in
the evening. waves 2 to 4 feet subsiding to 1 to 3 feet late in
the morning...then building to 2 to 4 feet late in the evening. 
.friday...southwest winds 10 to 15 knots increasing to 30 knots.
waves 3 to 5 feet building to 10 to 14 feet. waves occasionally
around 18 feet. 
.saturday...west winds to 30 knots with gusts to 35 knot gales
becoming northwest 20 to 25 knots with gusts to around 30 knots .
heavy freezing spray. waves 10 to 14 feet. waves occasionally
around 18 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 241437
glflh 
expires:202602242245;;178188

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 am est tue feb 24 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...high pressure, 30.10 inches, this morning drifts east
as the next clipper system tracks across lake superior today.
widespread snow and southerly flow gusting to 30 knots will be
possible before the system departs late tonight.


lhz363-242245-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
937 am est tue feb 24 2026

.rest of today...south winds 5 to 10 knots increasing to 15 to
20 knots. a chance of snow showers in the afternoon. snow may be
heavy at times in the afternoon. waves 1 to 3 feet building to
4 to 6 feet. waves occasionally around 8 feet. 
.tonight...south winds 20 to 25 knots becoming southwest 15 to
20 knots after midnight. snow showers in the evening. waves 5 to
7 feet. waves occasionally around 10 feet. 
.wednesday...west winds 15 to 20 knots. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.wednesday night...west winds 15 to 20 knots becoming northwest
5 to 10 knots. waves 5 to 7 feet. waves occasionally around
10 feet. 
.thursday...west winds 5 to 10 knots backing to the south late in
the afternoon...then increasing to 10 to 15 knots late in the
evening. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...southwest winds 10 to 15 knots becoming south 20 to
25 knots with gusts to around 30 knots. waves 2 to 4 feet
building to 8 to 12 feet. waves occasionally around 15 feet. 
.saturday...west winds 20 to 25 knots with gusts to around
30 knots becoming northwest 15 to 20 knots until early evening...
then increasing to 20 to 25 knots by midnight. heavy freezing
spray by midnight. waves 8 to 12 feet. waves occasionally around
15 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 241437
glflh 
expires:202602242245;;178189

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 am est tue feb 24 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...high pressure, 30.10 inches, this morning drifts east
as the next clipper system tracks across lake superior today.
widespread snow and southerly flow gusting to 30 knots will be
possible before the system departs late tonight.


lhz462>464-242245-
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-
937 am est tue feb 24 2026

.rest of today...southwest winds 5 to 10 knots becoming south
10 to 15 knots early in the afternoon...then increasing to 15 to
20 knots late in the afternoon. a chance of snow showers in the
afternoon. 
.tonight...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots after midnight. a
chance of snow showers. 
.wednesday...west winds 15 to 20 knots. a chance of snow showers.
.wednesday night...west winds 15 to 20 knots decreasing to 5 to
10 knots. 
.thursday...west winds 5 to 10 knots veering to the northeast
late in the afternoon...then becoming south 10 to 15 knots late
in the evening. 
.friday...southwest winds 10 to 15 knots becoming south 20 to
25 knots with gusts to around 30 knots. 
.saturday...southwest winds 20 to 25 knots becoming northwest
15 to 20 knots until early evening...then becoming north 20 to
25 knots by midnight. a chance of snow by midnight. 

waves omitted due to ice coverage.

$$

fzus63 kmkx 241947
glflm 
expires:202602250415;;191638

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
147 pm cst tue feb 24 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...

southerly gales will continue across the open waters this 
afternoon as low pressure of 29.2 inches just north of lake 
superior continues eastward. winds will become west to
northwest behind the associated cold front this evening and
overnight, while remaining breezy (though below gale force). 

lighter winds are expected wednesday night into thursday, as 
high pressure of 30.0 inches moves into the area. south to 
southwest winds will then pick up later thursday into friday 
ahead of an approaching low and the departing high. a few gales
will be possible across northern portions of the lake. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-250415-
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-
147 pm cst tue feb 24 2026

sheboygan wi to pentwater mi south...

...gale warning in effect until 6 pm cst this evening...

.this afternoon through tonight...south gales to 40 kt becoming 
southwest gales to 35 kt late, then diminishing to 30 kt through 
early evening becoming west 15 to 25 kt late this evening 
increasing to 30 kt becoming northwest late. chance of snow. waves
10 to 14 ft occasionally to 18 ft subsiding to 7 to 10 ft 
occasionally to 13 ft. 
.wednesday...northwest winds to 30 kt diminishing to 10 to 20 kt.
freezing spray in the morning. waves 8 to 11 ft occasionally to
14 ft subsiding to 6 to 9 ft occasionally to 12 ft. 
.wednesday night...northwest winds 10 to 20 kt diminishing to
5 to 10 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to
2 to 4 ft. 
.thursday...southwest winds 10 to 15 kt becoming south. waves
1 to 3 ft. 
.thursday night...southwest winds 10 to 15 kt increasing to 10 to
20 kt. waves 2 to 4 ft. 
.friday...southwest winds 15 to 25 kt increasing to 30 kt. waves
4 to 7 ft occasionally to 9 ft building to 6 to 9 ft occasionally
to 12 ft. 
.friday night...southwest winds to 30 kt becoming northwest.
waves 7 to 10 ft occasionally to 13 ft. 
.saturday...northwest winds 15 to 25 kt becoming north 10 to
20 kt. chance of snow. waves 6 to 9 ft occasionally to 12 ft. 
.sunday...northeast winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 7 to 10 ft occasionally to 13 ft subsiding to 5 to 8 ft
occasionally to 10 ft.  

wave forecast is for ice free areas

$$

fzus63 kmkx 241947
glflm 
expires:202602250415;;191637

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
147 pm cst tue feb 24 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...

southerly gales will continue across the open waters this 
afternoon as low pressure of 29.2 inches just north of lake 
superior continues eastward. winds will become west to
northwest behind the associated cold front this evening and
overnight, while remaining breezy (though below gale force). 

lighter winds are expected wednesday night into thursday, as 
high pressure of 30.0 inches moves into the area. south to 
southwest winds will then pick up later thursday into friday 
ahead of an approaching low and the departing high. a few gales
will be possible across northern portions of the lake. 


lmz261-362-364-366-563-565-567-868-250415-
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-
147 pm cst tue feb 24 2026

sheboygan wi to pentwater mi north...

...gale warning in effect until 6 pm cst this evening...

.this afternoon through tonight...south gales to 40 kt becoming 
southwest late, then becoming west to 30 kt through early evening 
diminishing to 15 to 25 kt late this evening increasing to 30 kt 
becoming northwest late. freezing spray. snow and slight chance of
light freezing drizzle. waves 12 to 16 ft occasionally to 21 ft 
subsiding to 7 to 10 ft occasionally to 13 ft. 
.wednesday...northwest winds to 30 kt diminishing to 15 to 25 kt.
freezing spray in the morning. waves 7 to 10 ft occasionally to
13 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.wednesday night...northwest winds 10 to 20 kt becoming west 5 to
10 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.thursday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.thursday night...southwest winds 10 to 20 kt. waves 3 to 5 ft. 
.friday...southwest winds to 30 kt increasing to gales to 35 kt.
waves 4 to 6 ft occasionally to 8 ft building to 6 to 9 ft
occasionally to 12 ft. 
.friday night...west gales to 35 kt becoming northwest. waves
7 to 10 ft occasionally to 13 ft. 
.saturday...northwest winds to 30 kt diminishing to 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.sunday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.  

wave forecast is for ice free areas

$$

fzus63 kmqt 241501
glfls 
expires:202602242100;;179156

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue feb 24 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...

a low pressure system strengthening to 29.3 inches will move from 
northern mn across lake superior though tonight. weak ridging then 
builds over lake superior at 29.9 inches wednesday night into 
thursday. a strong clipper averaging 29.2 inches moves across 
ontario friday night into saturday, sending a strong cold front 
across the lake with a 30.7 inch high building over the lake by 
sunday.



lsz267-242100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am est tue feb 24 2026

...gale warning in effect until 7 pm est this evening...
...heavy freezing spray warning in effect until 7 pm est this
evening...

.rest of today...southeast gales to 40 knots becoming south gales
to 35 knots by mid afternoon. heavy freezing spray. a chance of
snow late in the morning. snow in the afternoon. waves 4 to
7 feet occasionally to 9 feet building to 7 to 10 feet
occasionally to 13 feet, then subsiding to 6 to 9 feet
occasionally to 11 feet. 
.tonight...south winds 20 to 30 knots veering west by midnight,
then veering northwest late. freezing spray. a chance of snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet,
then building to 8 to 11 feet occasionally to 14 feet. 
.wednesday...northwest winds 20 to 30 knots increasing to gales
to 35 knots by late morning, then diminishing to 20 to 30 knots
by mid afternoon. freezing spray. a chance of snow showers. waves
subsiding to 5 to 8 feet occasionally to 10 feet. 
.wednesday night...northwest winds 15 to 25 knots diminishing to
5 to 15 knots after midnight. freezing spray in the evening.
waves subsiding to 1 to 3 feet. 
.thursday...south winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a slight chance of snow showers in the
afternoon. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.thursday night...south winds 15 to 25 knots veering southwest
after midnight. waves building to 3 to 5 feet occasionally to
7 feet. 
.friday...south gales to 40 knots becoming west gales to
45 knots. a chance of snow showers, possibly mixed with rain.
heavy freezing spray. waves building to 17 to 22 feet
occasionally to 28 feet. 
.saturday...northwest gales to 40 knots becoming north 15 to
25 knots. heavy freezing spray. waves subsiding to 5 to 8 feet
occasionally to 10 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 241501
glfls 
expires:202602242100;;179153

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue feb 24 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...

a low pressure system strengthening to 29.3 inches will move from 
northern mn across lake superior though tonight. weak ridging then 
builds over lake superior at 29.9 inches wednesday night into 
thursday. a strong clipper averaging 29.2 inches moves across 
ontario friday night into saturday, sending a strong cold front 
across the lake with a 30.7 inch high building over the lake by 
sunday.



lsz264-242100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am est tue feb 24 2026

...gale warning in effect until 1 pm est this afternoon...
...heavy freezing spray warning in effect until 1 pm est this
afternoon...

.rest of today...south gales to 35 knots becoming west 15 to
25 knots by mid afternoon. heavy freezing spray. snow. waves 8 to
11 feet occasionally to 14 feet subsiding to 4 to 7 feet
occasionally to 9 feet. 
.tonight...northwest winds 15 to 25 knots increasing to gales to
35 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet, then building to
6 to 9 feet occasionally to 11 feet. 
.wednesday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots by mid afternoon. heavy freezing spray in the morning.
waves subsiding to 2 to 4 feet. 
.wednesday night...northwest winds 10 to 20 knots becoming west
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves building to 1 to 3 feet. 
.thursday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.friday...southwest gales to 40 knots becoming northwest gales to
45 knots. heavy freezing spray. waves building to 12 to 17 feet
occasionally to 21 feet, then subsiding to 11 to 15 feet
occasionally to 19 feet. 
.saturday...northwest gales to 40 knots diminishing to 15 to
25 knots. heavy freezing spray. waves subsiding to 3 to 6 feet
occasionally to 8 feet, then building to 4 to 7 feet occasionally
to 9 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 241501
glfls 
expires:202602242100;;179152

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue feb 24 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...

a low pressure system strengthening to 29.3 inches will move from 
northern mn across lake superior though tonight. weak ridging then 
builds over lake superior at 29.9 inches wednesday night into 
thursday. a strong clipper averaging 29.2 inches moves across 
ontario friday night into saturday, sending a strong cold front 
across the lake with a 30.7 inch high building over the lake by 
sunday.



lsz263-242100-
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-
1000 am est tue feb 24 2026

...heavy freezing spray warning in effect until 1 pm est this
afternoon...

.rest of today...south winds 20 to 30 knots veering southwest by
late morning, then becoming west 15 to 25 knots by mid afternoon.
freezing spray late in the morning. snow late in the morning,
then a chance of snow in the afternoon. waves 5 to 8 feet
occasionally to 10 feet subsiding to 3 to 5 feet occasionally to
7 feet. 
.tonight...northwest winds 15 to 25 knots increasing to 20 to
30 knots by midnight. heavy freezing spray. a chance of snow
showers. waves building to 5 to 8 feet occasionally to 10 feet. 
.wednesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by late morning, then backing west by mid afternoon.
heavy freezing spray in the morning. waves subsiding to 1 to
3 feet. 
.wednesday night...northwest winds 5 to 15 knots backing west
after midnight. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves building to 1 to 3 feet. 
.thursday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.friday...southwest gales to 40 knots veering west. heavy
freezing spray. waves building to 10 to 14 feet occasionally to
18 feet, then subsiding to 8 to 11 feet occasionally to 14 feet. 
.saturday...northwest winds 20 to 30 knots becoming north 15 to
25 knots. heavy freezing spray. waves subsiding to 2 to 4 feet,
then building to 3 to 5 feet occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 241501
glfls 
expires:202602242100;;179154

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue feb 24 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...

a low pressure system strengthening to 29.3 inches will move from 
northern mn across lake superior though tonight. weak ridging then 
builds over lake superior at 29.9 inches wednesday night into 
thursday. a strong clipper averaging 29.2 inches moves across 
ontario friday night into saturday, sending a strong cold front 
across the lake with a 30.7 inch high building over the lake by 
sunday.



lsz265-242100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am est tue feb 24 2026

...gale warning in effect until 1 pm est this afternoon...
...heavy freezing spray warning in effect until 1 pm est this
afternoon...
...gale warning in effect from late tonight through wednesday
afternoon...

.rest of today...south gales to 35 knots becoming southwest 20 to
30 knots by mid afternoon. heavy freezing spray. snow late in the
morning. a chance of snow in the afternoon. waves 7 to 10 feet
occasionally to 13 feet subsiding to 2 to 4 feet. 
.tonight...west winds 20 to 30 knots becoming northwest gales to
40 knots by midnight. a chance of snow showers. heavy freezing
spray after midnight. waves subsiding to 1 to 3 feet, then
building to 5 to 8 feet occasionally to 10 feet. 
.wednesday...northwest gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. heavy freezing spray in the morning. a
chance of snow showers. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.wednesday night...west winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots. a slight chance of
snow showers in the afternoon. waves calm to 2 feet. 
.thursday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves calm to 2 feet. 
.friday...southwest gales to 40 knots becoming west gales to
45 knots. heavy freezing spray. waves building to 9 to 12 feet
occasionally to 15 feet. 
.saturday...northwest gales to 40 knots diminishing to 15 to
25 knots. heavy freezing spray. waves subsiding to 3 to 6 feet
occasionally to 8 feet, then building to 4 to 7 feet occasionally
to 9 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 241501
glfls 
expires:202602242100;;179151

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue feb 24 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...

a low pressure system strengthening to 29.3 inches will move from 
northern mn across lake superior though tonight. weak ridging then 
builds over lake superior at 29.9 inches wednesday night into 
thursday. a strong clipper averaging 29.2 inches moves across 
ontario friday night into saturday, sending a strong cold front 
across the lake with a 30.7 inch high building over the lake by 
sunday.



lsz162-242100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est tue feb 24 2026 /900 am cst tue feb 24 2026/

.rest of today...southwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots by
late morning, then veering west by mid afternoon. snow late in
the morning, then a slight chance of snow in the afternoon. waves
3 to 6 feet occasionally to 8 feet subsiding to 2 to 4 feet. 
.tonight...northwest winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible by midnight,
then diminishing to 20 to 30 knots late. a slight chance of snow
showers in the evening. heavy freezing spray. waves building to
3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by late morning, then becoming west 5 to 15 knots by mid
afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots backing west
after midnight. waves calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.thursday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 1 to 3 feet. 
.friday...southwest gales to 40 knots veering northwest. heavy
freezing spray. waves building to 6 to 9 feet occasionally to
11 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. 
.saturday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 241501
glfls 
expires:202602242100;;179155

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue feb 24 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...

a low pressure system strengthening to 29.3 inches will move from 
northern mn across lake superior though tonight. weak ridging then 
builds over lake superior at 29.9 inches wednesday night into 
thursday. a strong clipper averaging 29.2 inches moves across 
ontario friday night into saturday, sending a strong cold front 
across the lake with a 30.7 inch high building over the lake by 
sunday.



lsz266-242100-
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-
1000 am est tue feb 24 2026

...gale warning in effect until 7 pm est this evening...
...heavy freezing spray warning in effect until 4 pm est this
afternoon...
...gale warning in effect from late tonight through wednesday
afternoon...

.rest of today...south gales to 40 knots. heavy freezing spray.
snow. waves 8 to 11 feet occasionally to 14 feet building to 9 to
12 feet occasionally to 15 feet, then subsiding to 6 to 9 feet
occasionally to 11 feet. 
.tonight...west winds 15 to 25 knots becoming northwest gales to
35 knots by midnight. freezing spray. a chance of snow showers.
waves subsiding to 3 to 6 feet occasionally to 8 feet, then
building to 9 to 12 feet occasionally to 15 feet. 
.wednesday...northwest gales to 35 knots diminishing to 20 to
30 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 5 to 8 feet occasionally to 10 feet. 
.wednesday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. freezing spray in the evening.
waves subsiding to 1 to 3 feet. 
.thursday...southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. a slight chance of snow showers. waves
subsiding to calm to 2 feet, then building to 2 to 4 feet. 
.thursday night...southwest winds 15 to 25 knots. waves building
to 3 to 5 feet occasionally to 7 feet. 
.friday...south gales to 40 knots becoming west storm force winds
to 50 knots. heavy freezing spray. waves building to 15 to
20 feet occasionally to 25 feet. 
.saturday...northwest gales to 40 knots diminishing to 20 to
30 knots. heavy freezing spray. waves subsiding to 6 to 9 feet
occasionally to 11 feet. 

note, wave height forecasts are for ice free areas.

$$