fzus61 kbuf 252103
glflo 
expires:202602260400;;248648

open lake forecast for lake ontario
national weather service buffalo ny
403 pm 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 into 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 sliding from 
the central great lakes to the new england coastline thursday night 
and friday. a 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 settling across the 
great lakes saturday night and sunday.


loz062-063-260400-
lake ontario open waters from the niagara river to sodus bay-
403 pm est wed feb 25 2026

.tonight...west winds 15 to 25 knots becoming northwest. snow
showers likely this evening, then a chance of snow showers after
midnight. waves 5 to 8 feet. waves occasionally around 10 feet. 
.thursday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of snow showers through early afternoon. waves
3 to 6 feet subsiding to 1 to 3 feet. 
.thursday night...southwest winds around 10 knots. waves 1 to
2 feet. 
.friday...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.friday night...south winds 15 to 25 knots becoming southwest.
waves 2 to 4 feet building to 3 to 6 feet. 
.saturday...west winds 15 to 20 knots becoming northwest. a
chance of snow showers saturday night. waves 3 to 5 feet. 
.sunday...northwest winds 15 to 20 knots becoming northeast.
waves 3 to 6 feet subsiding to 2 to 4 feet. 
.monday...northeast winds 15 to 20 knots becoming east. a chance
of snow showers during the day. waves 3 to 5 feet subsiding to
2 to 4 feet. 

$$

fzus61 kbuf 252103
glflo 
expires:202602260400;;248649

open lake forecast for lake ontario
national weather service buffalo ny
403 pm 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 into 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 sliding from 
the central great lakes to the new england coastline thursday night 
and friday. a 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 settling across the 
great lakes saturday night and sunday.


loz064-065-260400-
lake ontario open waters from sodus bay to the saint lawrence
river-
403 pm est wed feb 25 2026

.tonight...west winds 15 to 25 knots. snow showers likely. waves
5 to 8 feet. waves occasionally around 10 feet. 
.thursday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of snow showers through early afternoon. waves
3 to 6 feet subsiding to 1 to 3 feet. 
.thursday night...west winds 5 to 10 knots becoming south. waves
2 feet or less. 
.friday...south winds 10 to 15 knots. waves 2 feet or less. 
.friday night...south winds 15 to 25 knots increasing to
30 knots. waves 1 to 3 feet 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 5 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. 
.monday...northeast winds 15 to 20 knots becoming east. a chance
of snow showers. waves 1 to 3 feet building to 2 to 4 feet. 

$$

fzus61 kcle 252007
glfle 
expires:202602260315;;246479

open lake forecast for lake erie
national weather service cleveland oh
307 pm 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...
high pressure 29.90 inches builds over lake erie tonight and
thursday, slowly shifting east friday. the next cold front moves 
southeast across the great lakes on saturday with high pressure 
30.50 inches building east into the lower great lakes on sunday
and persisting early next week.


lez162-163-260315-
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-
307 pm est wed feb 25 2026

.tonight...west winds 15 to 20 knots becoming northwest and
diminishing to less than 10 knots after midnight. waves in ice
free areas 1 to 3 feet subsiding to 1 foot or less. 
.thursday...west winds less than 10 knots becoming southeast.
waves 1 foot or less. 
.thursday night...southeast winds 10 knots or less becoming
southwest 10 to 15 knots. waves 1 foot or less. 
.friday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 feet or less. 
.friday night...south winds 15 to 20 knots becoming west 10 to
15 knots. waves 1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming north. a chance of
snow saturday night. waves 2 feet or less building to 2 to
4 feet. 
.sunday...north winds 10 to 15 knots becoming northeast. a chance
of snow sunday night. waves 2 to 4 feet. 
.monday...northeast winds 10 to 15 knots becoming east. waves
2 to 4 feet subsiding to 1 to 3 feet. 

wave heights are for ice free areas.

$$

fzus61 kcle 252007
glfle 
expires:202602260315;;246480

open lake forecast for lake erie
national weather service cleveland oh
307 pm 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...
high pressure 29.90 inches builds over lake erie tonight and
thursday, slowly shifting east friday. the next cold front moves 
southeast across the great lakes on saturday with high pressure 
30.50 inches building east into the lower great lakes on sunday
and persisting early next week.


lez164-165-260315-
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-
307 pm est wed feb 25 2026

.tonight...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves in ice free areas 2 to 4 feet subsiding to 1 foot
or less. 
.thursday...west winds less than 10 knots becoming northeast.
waves 1 foot or less. 
.thursday night...southeast winds 10 knots or less becoming
southwest 10 to 15 knots. waves 1 foot or less. 
.friday...southwest winds 15 to 20 knots. waves 2 feet or less. 
.friday night...south winds 15 to 20 knots becoming southwest.
waves 1 to 3 feet building to 3 to 5 feet. 
.saturday...west winds 5 to 15 knots becoming north. snow likely
saturday night. waves 2 to 4 feet building to 3 to 5 feet. 
.sunday...north winds 10 to 15 knots becoming northeast. a chance
of snow sunday night. waves 3 to 5 feet subsiding to 2 to 4 feet.
.monday...northeast winds 10 to 15 knots becoming east. waves
2 to 4 feet subsiding to 1 to 3 feet. 

wave heights are for ice free areas.

$$

fzus61 kcle 252007
glfle 
expires:202602260315;;246481

open lake forecast for lake erie
national weather service cleveland oh
307 pm 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...
high pressure 29.90 inches builds over lake erie tonight and
thursday, slowly shifting east friday. the next cold front moves 
southeast across the great lakes on saturday with high pressure 
30.50 inches building east into the lower great lakes on sunday
and persisting early next week.


lez061-166>169-260315-
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-
307 pm est wed feb 25 2026

.tonight...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow this evening, then a slight chance of
snow after midnight. the lake is mostly ice covered.
.thursday...west winds 10 knots or less. 
.thursday night...south winds 10 knots or less becoming southwest
10 to 15 knots. 
.friday...south winds 10 to 15 knots increasing to 15 to
20 knots. 
.friday night...south winds 15 to 20 knots becoming southwest. 
.saturday...west winds 5 to 15 knots becoming north. snow likely
saturday night. 
.sunday...north winds 5 to 15 knots becoming northeast. a chance
of snow sunday night. 
.monday...northeast winds 5 to 15 knots becoming southeast. 

waves omitted due to the lake being mostly ice covered.

$$

fzus63 kdtx 252043
glfsc 
expires:202602260445;;247999

lake st clair forecast
national weather service detroit/pontiac mi
343 pm 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.


lcz460-260445-
lake st clair-
343 pm est wed feb 25 2026

.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 afternoon. mostly sunny.
.thursday night...south winds 5 to 10 knots. mostly clear.
.friday...southwest winds 10 to 15 knots becoming south 15 to 20
knots early in the afternoon. mostly sunny.
.friday night...southwest winds 15 to 20 knots becoming west 10 to
15 knots after midnight. partly cloudy.
.saturday...northwest winds 10 to 15 knots veering to the north in
the evening. partly sunny in the morning becoming mostly cloudy.
light snow likely in the evening.
.sunday...northeast winds 10 to 15 knots. partly cloudy. light snow
likely.
.monday...east winds 5 to 10 knots. partly cloudy.

waves omitted due to ice coverage.

$$

fzus63 kdtx 252043
glflh 
expires:202602260445;;247995

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm 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.


lhz361-362-260445-
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-
343 pm est wed feb 25 2026

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

wave heights are for ice free areas.

$$

fzus63 kdtx 252043
glflh 
expires:202602260445;;247996

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm 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.


lhz363-260445-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
343 pm est wed feb 25 2026

.tonight...west winds 15 to 20 knots decreasing to 10 to 15 knots
after midnight. waves 5 to 7 feet. waves occasionally around
10 feet. 
.thursday...west winds 5 to 10 knots becoming southwest 10 to
15 knots in the afternoon. waves 2 to 4 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. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.friday night...south winds 20 to 25 knots becoming southwest
15 to 20 knots in the late evening and overnight. waves 5 to
7 feet. waves occasionally around 10 feet. 
.saturday...west winds 15 to 20 knots becoming northwest 10 to
15 knots late in the morning...then increasing to 15 to 20 knots
late in the afternoon. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.sunday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
north 5 to 10 knots . waves 4 to 6 feet subsiding to 1 to 3 feet
. waves occasionally around 8 feet. 
.monday...north winds 5 to 10 knots becoming northeast 10 to
15 knots in the late morning and early afternoon...then veering
to the east early in the evening veering to the south by
midnight. waves 1 to 3 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 252043
glflh 
expires:202602260445;;247997

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm 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>464-260445-
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-
343 pm est wed feb 25 2026

.tonight...west winds 15 to 20 knots decreasing to 10 to 15 knots
after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 
.thursday...southwest 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
in the late morning and afternoon. waves 3 to 5 feet. 
.friday night...south winds 15 to 20 knots veering to the
southwest after midnight. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.saturday...west winds 15 to 20 knots becoming northwest 10 to
15 knots late in the morning...then increasing to 15 to 20 knots
late in the evening. a chance of snow late in the afternoon.
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 afternoon. 
.sunday...northwest winds 15 to 20 knots becoming 5 to 10 knots
early in the evening...then veering to the northeast by midnight.
waves 2 to 4 feet subsiding to 1 to 3 feet by midnight. 
.monday...east winds 5 to 10 knots increasing to 10 to 15 knots.
waves 1 to 3 feet. 

wave heights are for ice free areas.

$$

fzus63 kmkx 251935
glflm 
expires:202602260415;;245603

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
135 pm 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 west to northwest winds will gradually ease late this 
afternoon into tonight as high pressure of 30.0 inches builds in 
from the northwest. south to southwest winds will then pick up 
later thursday morning into friday ahead of an approaching low and
the departing high. a few gales will be possible across northern 
portions of the lake later friday into friday night as a cold 
front moves through. breezy northerly winds are then expected 
saturday between departing low pressure and a strong high 
approaching from the northwest. 


lmz261-362-364-366-563-565-567-868-260415-
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-
135 pm cst wed feb 25 2026

sheboygan wi to pentwater mi north...

.tonight...northwest winds 15 to 25 kt becoming west 10 to 15 kt.
waves 3 to 5 ft subsiding to 2 to 4 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. slight chance of
snow in the morning, then 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
subsiding to 2 to 4 ft. 
.friday...southwest winds to 30 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. freezing
spray overnight. waves 5 to 8 ft occasionally to 10 ft. 
.saturday...northwest winds to 30 kt diminishing to 10 to 20 kt
in the afternoon. waves 4 to 7 ft occasionally to 9 ft subsiding
to 3 to 5 ft. 
.saturday night...northwest winds 10 to 20 kt becoming north.
waves 2 to 4 ft. 
.sunday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft. 
.monday...southeast winds 10 to 15 kt becoming south 10 to 20 kt.
waves 1 to 3 ft.  

wave forecast is for ice free areas

$$

fzus63 kmkx 251935
glflm 
expires:202602260415;;245604

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
135 pm 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 west to northwest winds will gradually ease late this 
afternoon into tonight as high pressure of 30.0 inches builds in 
from the northwest. south to southwest winds will then pick up 
later thursday morning into friday ahead of an approaching low and
the departing high. a few gales will be possible across northern 
portions of the lake later friday into friday night as a cold 
front moves through. breezy northerly winds are then expected 
saturday between departing low pressure and a strong high 
approaching from the northwest. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-260415-
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-
135 pm cst wed feb 25 2026

sheboygan wi to pentwater mi south...

.tonight...northwest winds 10 to 20 kt diminishing to 5 to 10 kt.
areas of freezing spray through late this afternoon in the east. 
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 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 20 kt. waves 2 to 4 ft. 
.friday...southwest winds 15 to 25 kt. waves 4 to 6 ft
occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft. 
.friday night...west winds 15 to 25 kt becoming northwest. waves
4 to 7 ft occasionally to 9 ft. 
.saturday...northwest winds 15 to 25 kt becoming north 10 to
20 kt. chance of snow in the afternoon. waves 4 to 7 ft
occasionally to 9 ft. 
.saturday night...north winds 10 to 20 kt. waves 3 to 5 ft. 
.sunday...north winds 10 to 20 kt becoming northeast 10 to 15 kt.
waves 3 to 5 ft. 
.monday...east winds 10 to 15 kt. waves 2 to 4 ft.  

wave forecast is for ice free areas

$$

fzus63 kmqt 252101
glfls 
expires:202602260900;;248523

open lake forecast for lake superior
national weather service marquette mi
400 pm 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 departs into quebec this evening, with weak ridging 
building over lake superior at 29.8 inches tonight into thursday. a 
strong clipper low averaging 29.1 inches moves across northern 
ontario friday and friday night, sending a 29.4 inch trough across 
the lake. high pressure builds over the lake this weekend, 
strengthening to 30.6 inches by sunday.



lsz162-260900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est wed feb 25 2026 /300 pm cst wed feb 25 2026/

...gale watch in effect from friday afternoon through late friday
night...

.late this afternoon...northwest winds 10 to 20 knots. waves 1 to
3 feet. 
.tonight...northwest winds 5 to 15 knots backing southwest late.
a chance of snow showers after midnight. waves subsiding to calm
to 2 feet. 
.thursday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. snow likely in the morning, then a chance of snow in
the afternoon. waves calm to 2 feet. 
.thursday night...southwest winds 10 to 20 knots. waves calm to
2 feet. 
.friday...southwest winds 15 to 25 knots becoming west gales to
45 knots in the afternoon. waves building to 6 to 9 feet
occasionally to 11 feet. 
.friday night...west gales to 45 knots becoming northwest gales
to 35 knots after midnight. heavy freezing spray. waves subsiding
to 3 to 5 feet occasionally to 7 feet. 
.saturday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. waves subsiding to calm to 2 feet. 
.saturday night...northwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...north winds 5 to 15 knots veering south. waves calm to
2 feet. 
.monday...southwest winds 10 to 20 knots increasing to gales to
35 knots. waves building to 5 to 8 feet occasionally to 10 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 252101
glfls 
expires:202602260900;;248524

open lake forecast for lake superior
national weather service marquette mi
400 pm 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 departs into quebec this evening, with weak ridging 
building over lake superior at 29.8 inches tonight into thursday. a 
strong clipper low averaging 29.1 inches moves across northern 
ontario friday and friday night, sending a 29.4 inch trough across 
the lake. high pressure builds over the lake this weekend, 
strengthening to 30.6 inches by sunday.



lsz263-260900-
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 wed feb 25 2026

...gale watch in effect from friday afternoon through late friday
night...

.late this afternoon...northwest winds 10 to 20 knots. a slight
chance of snow showers. waves 2 to 4 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. snow likely in the
morning, then a chance of snow in the afternoon. waves building
to 1 to 3 feet, then subsiding to calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots increasing to
10 to 20 knots by midnight. a slight chance of snow in the
evening. waves building to 1 to 3 feet. 
.friday...southwest winds 20 to 30 knots becoming west gales to
45 knots in the afternoon. waves building to 8 to 11 feet
occasionally to 14 feet. 
.friday night...west gales to 45 knots becoming northwest gales
to 40 knots 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 diminishing to 10 to
20 knots in the afternoon. waves subsiding to 1 to 3 feet. 
.saturday night...northwest winds 10 to 20 knots veering north
after midnight. waves building to 2 to 4 feet, then subsiding to
1 to 3 feet. 
.sunday...north winds 5 to 15 knots veering south. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.monday...southwest winds 10 to 20 knots increasing to gales to
35 knots. waves building to 7 to 10 feet occasionally to 13 feet.

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 252101
glfls 
expires:202602260900;;248525

open lake forecast for lake superior
national weather service marquette mi
400 pm 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 departs into quebec this evening, with weak ridging 
building over lake superior at 29.8 inches tonight into thursday. a 
strong clipper low averaging 29.1 inches moves across northern 
ontario friday and friday night, sending a 29.4 inch trough across 
the lake. high pressure builds over the lake this weekend, 
strengthening to 30.6 inches by sunday.



lsz264-260900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est wed feb 25 2026

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

.late this afternoon...northwest winds 15 to 25 knots. a slight
chance of snow showers. waves 3 to 6 feet occasionally to 8 feet.
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by midnight, then becoming west 5 to 15 knots late. a
slight chance of snow showers. waves subsiding to calm to 2 feet.
.thursday...southwest winds 5 to 15 knots backing south by late
morning, then veering southwest by mid afternoon. a chance of
snow in the morning, then snow likely in the afternoon. waves
building to 1 to 3 feet. 
.thursday night...southwest winds 5 to 15 knots increasing to
10 to 20 knots late. a slight chance of snow in the evening.
waves subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.friday...southwest winds 15 to 25 knots increasing to gales to
45 knots in the afternoon. waves building to 8 to 11 feet
occasionally to 14 feet. 
.friday night...west storm force winds to 55 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 in the afternoon. heavy freezing spray in the morning.
waves subsiding to 2 to 4 feet. 
.saturday night...northwest winds 10 to 20 knots. waves building
to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet. 
.sunday...northwest winds 10 to 20 knots becoming west 5 to
15 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.monday...southwest winds 10 to 20 knots increasing to gales to
35 knots. freezing spray. waves building to 8 to 11 feet
occasionally to 14 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 252101
glfls 
expires:202602260900;;248526

open lake forecast for lake superior
national weather service marquette mi
400 pm 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 departs into quebec this evening, with weak ridging 
building over lake superior at 29.8 inches tonight into thursday. a 
strong clipper low averaging 29.1 inches moves across northern 
ontario friday and friday night, sending a 29.4 inch trough across 
the lake. high pressure builds over the lake this weekend, 
strengthening to 30.6 inches by sunday.



lsz265-260900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est wed feb 25 2026

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

.late this afternoon...northwest winds 20 to 30 knots. heavy
freezing spray. a slight chance of snow showers. waves 3 to
6 feet occasionally to 8 feet. 
.tonight...northwest winds 15 to 25 knots becoming west 10 to
20 knots late. a slight chance of snow showers. waves subsiding
to calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots backing south. snow
likely. waves calm to 2 feet. 
.thursday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots late. a slight chance of snow in the evening.
waves calm to 2 feet. 
.friday...southwest winds 15 to 25 knots increasing to gales to
40 knots in the afternoon. waves building to 4 to 7 feet
occasionally to 9 feet. 
.friday night...west storm force winds to 55 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 20 to
30 knots in the afternoon. heavy freezing spray in the morning.
waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday night...northwest winds 15 to 25 knots. waves subsiding
to 2 to 4 feet, then building to 3 to 5 feet occasionally to
7 feet. 
.sunday...northwest winds 10 to 20 knots backing southwest. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.monday...south winds 15 to 25 knots becoming southwest 20 to
30 knots. waves building to 3 to 6 feet occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 252101
glfls 
expires:202602260900;;248527

open lake forecast for lake superior
national weather service marquette mi
400 pm 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 departs into quebec this evening, with weak ridging 
building over lake superior at 29.8 inches tonight into thursday. a 
strong clipper low averaging 29.1 inches moves across northern 
ontario friday and friday night, sending a 29.4 inch trough across 
the lake. high pressure builds over the lake this weekend, 
strengthening to 30.6 inches by sunday.



lsz266-260900-
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 wed feb 25 2026

...gale warning in effect until 7 pm est this evening...
...heavy freezing spray warning in effect until 1 am est
thursday...

.late this afternoon...northwest winds 20 to 30 knots. heavy
freezing spray. a chance of snow showers. waves 8 to 11 feet
occasionally to 14 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by midnight, then becoming west 10 to 20 knots late.
heavy freezing spray in the evening. a chance of snow showers.
waves subsiding to 2 to 4 feet. 
.thursday...southwest winds 10 to 20 knots becoming south 15 to
25 knots. 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. a chance of
snow in the evening. waves 2 to 4 feet. 
.friday...southwest winds 20 to 30 knots increasing to gales to
45 knots in the afternoon. waves building to 7 to 10 feet
occasionally to 13 feet. 
.friday night...west storm force winds to 55 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 in the afternoon. heavy freezing spray. waves subsiding
to 5 to 8 feet occasionally to 10 feet. 
.saturday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. heavy freezing spray. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.sunday...northwest winds 15 to 25 knots becoming west 10 to
20 knots. waves subsiding to 1 to 3 feet, then building to 3 to
5 feet occasionally to 7 feet. 
.monday...south winds 15 to 25 knots becoming southwest gales to
35 knots. freezing spray. waves building to 8 to 11 feet
occasionally to 14 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 252101
glfls 
expires:202602260900;;248528

open lake forecast for lake superior
national weather service marquette mi
400 pm 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 departs into quebec this evening, with weak ridging 
building over lake superior at 29.8 inches tonight into thursday. a 
strong clipper low averaging 29.1 inches moves across northern 
ontario friday and friday night, sending a 29.4 inch trough across 
the lake. high pressure builds over the lake this weekend, 
strengthening to 30.6 inches by sunday.



lsz267-260900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est wed feb 25 2026

...heavy freezing spray warning in effect until 1 am est
thursday...

.late this afternoon...northwest winds to 30 knots with a few
gale force gusts to 35 knots possible. heavy freezing spray. snow
showers likely. waves 8 to 11 feet occasionally to 14 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 5 to
15 knots. heavy freezing spray in the evening. snow showers
likely in the evening, then a chance of snow showers after
midnight. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday...southwest winds 5 to 15 knots becoming south 10 to
20 knots by late morning, then increasing to 15 to 25 knots 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...south winds 15 to 25 knots becoming southwest
10 to 20 knots by midnight. a chance of snow in the evening.
waves 2 to 4 feet. 
.friday...south winds 15 to 25 knots increasing to gales to
40 knots in the afternoon. a slight chance of snow showers. a
slight chance of rain showers in the afternoon. waves building to
5 to 8 feet occasionally to 10 feet. 
.friday night...west storm force winds to 55 knots veering
northwest 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 diminishing to 20 to
30 knots in the afternoon. heavy freezing spray. waves subsiding
to 5 to 8 feet occasionally to 10 feet. 
.saturday night...northwest winds 15 to 25 knots becoming north
10 to 20 knots after midnight. heavy freezing spray. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday...north winds 5 to 15 knots veering south. waves
subsiding to 1 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.monday...south winds 10 to 20 knots increasing to 20 to
30 knots. freezing spray. waves subsiding to 2 to 4 feet, then
building to 7 to 10 feet occasionally to 13 feet. 

note, wave height forecasts are for ice free areas.

$$