fzus61 kbuf 250903
glflo 
expires:202602251600;;221019

open lake forecast for lake ontario
national weather service buffalo ny
402 am est wed feb 25 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 29.2 inch low will track from central ontario to the 
ottawa valley today, with its trailing cold front crossing the lake 
this afternoon. the low will then weaken as it makes its way 
northeastward across quebec province tonight and thursday...with a 
30.0 inch high forecast to slide from the central great lakes to the 
new england coastline thursday night and friday. another 29.2 inch 
low is then expected to deepen to 28.9 inches as it moves from north 
of lake superior to northern quebec friday night and saturday...with 
a 30.6 inch high then forecast to settle across the great lakes 
saturday night and sunday.


loz064-065-251600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est wed feb 25 2026

.today...south winds 15 to 25 knots becoming west. snow showers.
waves 3 to 6 feet building to 5 to 8 feet. waves occasionally
around 10 feet. 
.tonight...west winds 15 to 25 knots. lake effect snow showers.
waves 5 to 9 feet. waves occasionally around 11 feet. 
.thursday...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow showers. waves 4 to 7 feet subsiding
to 1 to 3 feet. waves occasionally around 9 feet. 
.thursday night...west winds 5 to 10 knots becoming south. waves
1 to 3 feet subsiding to 1 foot or less. 
.friday...south winds 10 to 15 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 3 to 6 feet. 
.sunday...north winds 15 to 20 knots becoming northeast. a chance
of snow showers during the day. waves 3 to 6 feet subsiding to
2 to 4 feet. 

$$

fzus61 kbuf 250903
glflo 
expires:202602251600;;221018

open lake forecast for lake ontario
national weather service buffalo ny
402 am est wed feb 25 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 29.2 inch low will track from central ontario to the 
ottawa valley today, with its trailing cold front crossing the lake 
this afternoon. the low will then weaken as it makes its way 
northeastward across quebec province tonight and thursday...with a 
30.0 inch high forecast to slide from the central great lakes to the 
new england coastline thursday night and friday. another 29.2 inch 
low is then expected to deepen to 28.9 inches as it moves from north 
of lake superior to northern quebec friday night and saturday...with 
a 30.6 inch high then forecast to settle across the great lakes 
saturday night and sunday.


loz062-063-251600-
lake ontario open waters from the niagara river to sodus bay-
402 am est wed feb 25 2026

.today...southwest winds 15 to 25 knots becoming west. a chance
of snow showers this morning, then snow showers likely early this
afternoon. a chance of snow showers late. waves 5 to 8 feet.
waves occasionally around 10 feet. 
.tonight...west winds 15 to 25 knots. lake effect snow showers
likely. waves 5 to 9 feet. waves occasionally around 11 feet. 
.thursday...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow showers. waves 4 to 7 feet subsiding
to 1 to 3 feet. waves occasionally around 9 feet. 
.thursday night...west winds 5 to 10 knots becoming southwest.
waves 1 to 2 feet. 
.friday...southwest winds 10 to 15 knots increasing to 15 to
25 knots. waves 1 to 3 feet building to 3 to 6 feet. 
.saturday...southwest winds 15 to 20 knots becoming northwest. a
chance of snow showers saturday night. waves 3 to 6 feet. 
.sunday...northwest winds 15 to 20 knots becoming northeast.
waves 3 to 6 feet subsiding to 2 to 4 feet. 

$$

fzus61 kcle 251446
glfle 
expires:202602252115;;233233

open lake forecast for lake erie
national weather service cleveland oh
946 am est wed feb 25 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 cold front will move east across lake erie today before high
pressure 29.90 inches builds over the lake thursday into friday.
the next cold front will move southeast across the great lakes on
saturday with high pressure 30.50 inches building east into the
lower great lakes on sunday.


lez162-163-252115-
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-
946 am est wed feb 25 2026

.this afternoon...west winds 15 to 20 knots. waves in ice free
areas 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming northwest less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.thursday...southwest winds 10 knots or less. waves 1 foot or
less. 
.thursday night...south winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.friday...southwest winds 10 to 15 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.

$$

fzus61 kcle 251446
glfle 
expires:202602252115;;233235

open lake forecast for lake erie
national weather service cleveland oh
946 am est wed feb 25 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 cold front will move east across lake erie today before high
pressure 29.90 inches builds over the lake thursday into friday.
the next cold front will move southeast across the great lakes on
saturday with high pressure 30.50 inches building east into the
lower great lakes on sunday.


lez061-166>169-252115-
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-
946 am est wed feb 25 2026

.this afternoon...west winds 15 to 25 knots. a slight chance of
snow. the lake is mostly ice covered.
.tonight...west winds 15 to 20 knots diminishing to 5 to
15 knots. a slight chance of snow showers after midnight. 
.thursday...west winds 10 knots or less. 
.thursday night...south winds 10 knots or less. 
.friday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. 
.saturday...west winds 15 to 20 knots becoming north. a chance of
snow saturday night. 
.sunday...north winds 15 to 20 knots becoming northeast. 

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 251446
glfle 
expires:202602252115;;233234

open lake forecast for lake erie
national weather service cleveland oh
946 am est wed feb 25 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 cold front will move east across lake erie today before high
pressure 29.90 inches builds over the lake thursday into friday.
the next cold front will move southeast across the great lakes on
saturday with high pressure 30.50 inches building east into the
lower great lakes on sunday.


lez164-165-252115-
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-
946 am est wed feb 25 2026

.this afternoon...west winds 15 to 25 knots. waves in ice free
areas 2 to 4 feet building to 3 to 5 feet. 
.tonight...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.thursday...west winds 5 to 10 knots. waves 1 foot or less. 
.thursday night...south winds 10 knots or less. waves 1 foot or
less. 
.friday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 feet or less building to 3 to 5 feet. 
.saturday...west winds 10 to 15 knots becoming north 15 to
20 knots. 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.

$$

fzus63 kdtx 251453
glflh 
expires:202602252300;;233380

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 am est wed feb 25 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...westerly flow and scattered lake effect snow showers
persist over the great lakes today in the wake of a departing
clipper, 29.30 inches, and its attendant cold front. high
pressure, 29.90 inches, then builds in tonight through thursday
leading to drier and calmer marine conditions.


lhz462>464-252300-
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-
953 am est wed feb 25 2026

.rest of today...southwest winds 10 to 15 knots becoming west
15 to 20 knots in the afternoon. numerous snow showers late in
the morning...then scattered snow showers in the afternoon. waves
2 to 4 feet. 
.tonight...west winds 15 to 20 knots decreasing to 10 to 15 knots
after midnight. scattered snow showers in the evening. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. 
.thursday...west winds 5 to 10 knots. waves 2 feet or less. 
.thursday night...south winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet. 
.friday...south winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to around 30 knots. waves 3 to 5 feet building to 4 to
6 feet late in the afternoon. waves occasionally around 8 feet. 
.saturday...west winds 15 to 20 knots becoming northwest 10 to
15 knots until early evening...then increasing to 15 to 20 knots
by midnight. a chance of snow . waves 3 to 5 feet subsiding to
2 to 4 feet in the late morning and early afternoon...then
building to 3 to 5 feet . 
.sunday...northwest winds 15 to 20 knots becoming north 10 to
15 knots until early evening...then veering to the northeast by
midnight. waves 3 to 5 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 251453
glflh 
expires:202602252300;;233378

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 am est wed feb 25 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...westerly flow and scattered lake effect snow showers
persist over the great lakes today in the wake of a departing
clipper, 29.30 inches, and its attendant cold front. high
pressure, 29.90 inches, then builds in tonight through thursday
leading to drier and calmer marine conditions.


lhz361-362-252300-
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-
953 am est wed feb 25 2026

.rest of today...west winds 20 to 25 knots with gusts to around
30 knots. scattered snow showers late in the morning. freezing
spray in the afternoon. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.tonight...west winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. freezing spray. waves 6 to
9 feet. waves occasionally around 12 feet. 
.thursday...west winds 10 to 15 knots becoming southwest 5 to
10 knots early in the afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet in the late morning and afternoon. 
.thursday night...southwest winds 10 to 15 knots. waves 2 to
4 feet. 
.friday...southwest winds 10 to 15 knots increasing to 30 knots
with gusts to 35 knot gales. waves 4 to 6 feet building to 8 to
12 feet late in the afternoon. waves occasionally around 15 feet.
.saturday...west winds to 30 knots with gusts to 35 knot gales
decreasing to 20 to 25 knots with gusts to around 30 knots in the
late morning and early afternoon...then becoming northwest 15 to
20 knots early in the evening increasing to 20 to 25 knots by
midnight. waves 10 to 14 feet subsiding to 6 to 9 feet . waves
occasionally around 18 feet. 
.sunday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 5 to 7 feet subsiding to 2 to 4 feet. waves
occasionally around 10 feet. 


$$

fzus63 kdtx 251453
glflh 
expires:202602252300;;233379

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 am est wed feb 25 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...westerly flow and scattered lake effect snow showers
persist over the great lakes today in the wake of a departing
clipper, 29.30 inches, and its attendant cold front. high
pressure, 29.90 inches, then builds in tonight through thursday
leading to drier and calmer marine conditions.


lhz363-252300-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
953 am est wed feb 25 2026

.rest of today...southwest winds 15 to 20 knots with gusts to
around 30 knots veering to the west in the afternoon. scattered 
snow showers. waves 5 to 7 feet. waves occasionally around 10 
feet. 
.tonight...west winds 15 to 20 knots decreasing to 10 to 15 knots
after midnight. scattered snow showers in the evening. freezing
spray in the evening. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.thursday...west winds 5 to 10 knots becoming southwest 10 to
15 knots early in the afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet in the late morning and afternoon. 
.thursday night...southwest winds 10 to 15 knots. waves 2 to
4 feet. 
.friday...southwest winds 15 to 20 knots becoming south 20 to
25 knots with gusts to around 30 knots late in the afternoon...
then becoming southwest 15 to 20 knots with gusts to around
30 knots late in the evening. waves 4 to 6 feet building to 5 to
7 feet late in the evening. waves occasionally around 10 feet. 
.saturday...northwest winds 15 to 20 knots increasing to 20 to
25 knots by midnight. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.sunday...northwest winds 15 to 20 knots becoming north 10 to
15 knots until early evening...then veering to the northeast by
midnight. waves 6 to 9 feet subsiding to 2 to 4 feet. waves
occasionally around 12 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 251445
glfsc 
expires:202602252245;;233229

lake st clair forecast
national weather service detroit/pontiac mi
945 am est wed feb 25 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...westerly flow and scattered lake effect snow showers
persist over the great lakes today in the wake of a departing
clipper, 29.30 inches, and its attendant cold front. high
pressure, 29.90 inches, then builds in tonight through thursday
leading to drier and calmer marine conditions.


lcz460-252245-
lake st clair-
945 am est wed feb 25 2026

.rest of today...southwest winds 10 to 15 knots becoming west 15 to
20 knots with gusts to 30 knots in the afternoon. mostly cloudy.
.tonight...west winds 10 to 15 knots diminishing to 5 to 10 knots
after midnight. partly cloudy until early morning then clearing.
.thursday...light and variable winds becoming southwest 5 to 10
knots in the late morning and afternoon. mostly sunny.
.thursday night...south winds 5 to 10 knots. mostly clear.
.friday...southwest winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon and evening. sunny becoming mostly sunny in
the afternoon becoming partly cloudy.
.saturday...north winds 15 to 20 knots. partly cloudy. light snow
likely.
.sunday...northeast winds 15 to 20 knots. partly cloudy.

waves omitted due to ice coverage.

$$

fzus63 kmkx 251357
glflm 
expires:202602252215;;231536

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
757 am cst wed feb 25 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...

breezy northwest winds are expected today in the wake of low
pressure and an associated cold front. lighter winds will return 
tonight into thursday as high pressure of 30.0 inches moves
through the great lakes. south to southwest winds will then pick 
up later thursday into friday as low pressure of 29.3 inches over 
saskatchewan deepens to 29.1 inches over ontario. the associated 
cold front will cross lake michigan friday evening into friday
night, with winds becoming northwest behind the front. a few 
gales will be possible across northern portions of the lake friday
afternoon into friday night.


lmz080-669-671-673-675-777-779-870-872-874-876-878-252215-
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-
757 am cst wed feb 25 2026

sheboygan wi to pentwater mi south...

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

$$

fzus63 kmkx 251357
glflm 
expires:202602252215;;231535

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
757 am cst wed feb 25 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...

breezy northwest winds are expected today in the wake of low
pressure and an associated cold front. lighter winds will return 
tonight into thursday as high pressure of 30.0 inches moves
through the great lakes. south to southwest winds will then pick 
up later thursday into friday as low pressure of 29.3 inches over 
saskatchewan deepens to 29.1 inches over ontario. the associated 
cold front will cross lake michigan friday evening into friday
night, with winds becoming northwest behind the front. a few 
gales will be possible across northern portions of the lake friday
afternoon into friday night.


lmz261-362-364-366-563-565-567-868-252215-
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-
757 am cst wed feb 25 2026

sheboygan wi to pentwater mi north...

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

$$

fzus63 kmqt 250901
glfls 
expires:202602252100;;220895

open lake forecast for lake superior
national weather service marquette mi
400 am est wed feb 25 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 29.3 inch low over northeastern ontario moves to quebec this 
afternoon with weak ridging building over lake superior at 29.9 
inches tonight into thursday. a strong clipper low averaging 29.1 
inches moves across ontario friday and friday night, sending a 29.5 
inch trough across the lake. a 30.6 inch high builds over the lake 
by sunday.



lsz263-252100-
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 wed feb 25 2026

...heavy freezing spray warning in effect until 10 am est this
morning...

.early this morning...northwest winds 20 to 30 knots. heavy
freezing spray. a chance of snow showers. waves 5 to 8 feet
occasionally to 10 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray in the morning. a chance of snow
showers. waves subsiding to 2 to 4 feet. 
.tonight...northwest winds 5 to 15 knots backing west late. a
slight chance of snow showers. waves subsiding to calm to 2 feet.
.thursday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. a chance of snow. waves building to 1 to 3 feet, then
subsiding to 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 winds 20 to 30 knots becoming west gales to
40 knots in the afternoon. waves building to 8 to 11 feet
occasionally to 14 feet. 
.friday night...west gales to 40 knots veering northwest after
midnight. heavy freezing spray. waves building to 10 to 14 feet
occasionally to 18 feet, then subsiding to 6 to 9 feet
occasionally to 11 feet. 
.saturday...northwest winds 20 to 30 knots becoming north 15 to
25 knots. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 
.sunday...north winds 10 to 20 knots veering south. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 250901
glfls 
expires:202602252100;;220894

open lake forecast for lake superior
national weather service marquette mi
400 am est wed feb 25 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 29.3 inch low over northeastern ontario moves to quebec this 
afternoon with weak ridging building over lake superior at 29.9 
inches tonight into thursday. a strong clipper low averaging 29.1 
inches moves across ontario friday and friday night, sending a 29.5 
inch trough across the lake. a 30.6 inch high builds over the lake 
by sunday.



lsz162-252100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est wed feb 25 2026 /300 am cst wed feb 25 2026/

...heavy freezing spray warning in effect until 7 am est /6 am
cst/ this morning...

.early this morning...northwest winds 20 to 30 knots. heavy
freezing spray. a slight chance of snow showers. waves 3 to
6 feet occasionally to 8 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of snow showers. waves subsiding to 1 to
3 feet. 
.tonight...northwest winds 5 to 15 knots backing southwest late.
a slight chance of snow showers. waves subsiding to calm to
2 feet. 
.thursday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. a chance of snow. 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 winds 20 to 30 knots becoming west gales to
40 knots in the afternoon. waves building to 6 to 9 feet
occasionally to 11 feet. 
.friday night...west gales to 40 knots becoming northwest gales
to 35 knots after midnight. heavy freezing spray. waves building
to 7 to 10 feet occasionally to 13 feet, then subsiding to 3 to
5 feet occasionally to 7 feet. 
.saturday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 
.sunday...north winds 5 to 15 knots veering south. waves calm to
2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 250901
glfls 
expires:202602252100;;220898

open lake forecast for lake superior
national weather service marquette mi
400 am est wed feb 25 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 29.3 inch low over northeastern ontario moves to quebec this 
afternoon with weak ridging building over lake superior at 29.9 
inches tonight into thursday. a strong clipper low averaging 29.1 
inches moves across ontario friday and friday night, sending a 29.5 
inch trough across the lake. a 30.6 inch high builds over the lake 
by sunday.



lsz266-252100-
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 wed feb 25 2026

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

.early this morning...northwest gales to 40 knots. heavy freezing
spray. a chance of snow showers. waves 9 to 12 feet occasionally
to 15 feet building to 10 to 14 feet occasionally to 18 feet. 
.today...northwest gales to 40 knots. heavy freezing spray. a
chance of snow showers. waves subsiding to 8 to 11 feet
occasionally to 14 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by midnight, then backing west late. heavy freezing
spray. a chance of snow showers. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.thursday...southwest winds 10 to 20 knots increasing to 15 to
25 knots by late morning, then backing south by mid afternoon. a
chance of snow in the morning, then snow likely in the afternoon.
waves subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.thursday night...southwest winds 15 to 25 knots. waves 2 to
4 feet. 
.friday...south winds 20 to 30 knots becoming southwest gales to
40 knots in the afternoon. waves building to 7 to 10 feet
occasionally to 13 feet. 
.friday night...west storm force winds to 50 knots veering
northwest after midnight. heavy freezing spray. waves building to
17 to 22 feet occasionally to 28 feet, then subsiding to 15 to
20 feet occasionally to 25 feet. 
.saturday...northwest gales to 40 knots diminishing to 20 to
30 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.sunday...northwest winds 15 to 25 knots backing south. waves
subsiding to 1 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 250901
glfls 
expires:202602252100;;220899

open lake forecast for lake superior
national weather service marquette mi
400 am est wed feb 25 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 29.3 inch low over northeastern ontario moves to quebec this 
afternoon with weak ridging building over lake superior at 29.9 
inches tonight into thursday. a strong clipper low averaging 29.1 
inches moves across ontario friday and friday night, sending a 29.5 
inch trough across the lake. a 30.6 inch high builds over the lake 
by sunday.



lsz267-252100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am est wed feb 25 2026

...heavy freezing spray warning in effect through late tonight...

.early this morning...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible. heavy freezing spray. a chance
of snow showers. waves 9 to 12 feet occasionally to 15 feet. 
.today...northwest winds to 30 knots with a few gale force gusts
to 35 knots possible. heavy freezing spray. a chance of snow
showers. waves building to 10 to 14 feet occasionally to 18 feet,
then subsiding to 8 to 11 feet occasionally to 14 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. heavy freezing spray in the evening. a chance of snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday...southwest winds 5 to 15 knots becoming south 10 to
20 knots. a chance of snow. waves subsiding to 1 to 3 feet, then
building to 2 to 4 feet. 
.thursday night...south winds 15 to 25 knots veering southwest
after midnight. a slight chance of snow showers in the evening.
waves 2 to 4 feet. 
.friday...south winds 20 to 30 knots increasing to gales to
40 knots in the afternoon. waves building to 5 to 8 feet
occasionally to 10 feet. 
.friday night...west gales to 45 knots increasing to storm force
winds to 50 knots after midnight. heavy freezing spray after
midnight. waves building to 17 to 22 feet occasionally to
28 feet, then subsiding to 15 to 20 feet occasionally to 25 feet.
.saturday...northwest gales to 40 knots becoming north 15 to
25 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday...north winds 15 to 25 knots becoming south 10 to
20 knots. waves subsiding to 1 to 3 feet, then building to 3 to
5 feet occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 250901
glfls 
expires:202602252100;;220897

open lake forecast for lake superior
national weather service marquette mi
400 am est wed feb 25 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 29.3 inch low over northeastern ontario moves to quebec this 
afternoon with weak ridging building over lake superior at 29.9 
inches tonight into thursday. a strong clipper low averaging 29.1 
inches moves across ontario friday and friday night, sending a 29.5 
inch trough across the lake. a 30.6 inch high builds over the lake 
by sunday.



lsz265-252100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am est wed feb 25 2026

...gale warning in effect until 1 pm est this afternoon...
...heavy freezing spray warning in effect until 4 pm est this
afternoon...

.early this morning...northwest gales to 35 knots. heavy freezing
spray. a chance of snow showers. waves 5 to 8 feet occasionally
to 10 feet. 
.today...northwest gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. heavy freezing spray. a chance of snow
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...west winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. a chance of snow showers. waves subsiding
to calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots backing south by mid
afternoon. a chance of snow. 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 winds 20 to 30 knots increasing to gales to
40 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday night...west gales to 45 knots veering northwest after
midnight. 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 gales to 40 knots diminishing to 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. 
.sunday...northwest winds 15 to 25 knots becoming south 10 to
20 knots. waves subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 250901
glfls 
expires:202602252100;;220896

open lake forecast for lake superior
national weather service marquette mi
400 am est wed feb 25 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 29.3 inch low over northeastern ontario moves to quebec this 
afternoon with weak ridging building over lake superior at 29.9 
inches tonight into thursday. a strong clipper low averaging 29.1 
inches moves across ontario friday and friday night, sending a 29.5 
inch trough across the lake. a 30.6 inch high builds over the lake 
by sunday.



lsz264-252100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am est wed feb 25 2026

...heavy freezing spray warning in effect until 4 pm est this
afternoon...

.early this morning...northwest winds 20 to 30 knots. heavy
freezing spray. a chance of snow showers. waves 6 to 9 feet
occasionally to 11 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. heavy freezing spray. a chance of snow
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots by midnight, then backing west late. a slight chance of
snow showers. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a chance of snow. waves building to
1 to 3 feet. 
.thursday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves subsiding to calm to 2 feet,
then building to 1 to 3 feet. 
.friday...southwest winds 20 to 30 knots increasing to gales to
40 knots in the afternoon. waves building to 8 to 11 feet
occasionally to 14 feet. 
.friday night...west gales to 45 knots veering northwest after
midnight. heavy freezing spray. waves building to 12 to 17 feet
occasionally to 21 feet, then subsiding to 10 to 14 feet
occasionally to 18 feet. 
.saturday...northwest gales to 40 knots diminishing to 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. 
.sunday...northwest winds 15 to 25 knots becoming southwest 10 to
20 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$