fzus61 kbuf 120902
glflo 
expires:202602121600;;499904

open lake forecast for lake ontario
national weather service buffalo ny
402 am est thu feb 12 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 30.4 inch area of high pressure over the mid 
mississippi valley will slowly move across the ohio valley today and 
eventually to the carolinas on friday. meanwhile, a 29.7 inch area 
of low pressure over central quebec friday will move southeast 
across new england saturday and off the coast saturday night. a 30.3 
inch high will build southeast into the ottawa valley saturday, then 
into new england sunday. following a weak cold frontal passage 
sunday night, another area of high pressure will build across the 
lake monday, averaging 30.2 inches.


loz062-063-121600-
lake ontario open waters from the niagara river to sodus bay-
402 am est thu feb 12 2026

.today...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. snow showers likely early, then a chance of snow
showers. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...northwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.friday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.friday night...southwest winds 15 to 25 knots becoming west. a
chance of snow showers. waves 3 to 6 feet. 
.saturday...west winds 15 to 20 knots becoming south 5 to
15 knots. waves 3 to 5 feet subsiding to 1 foot or less. 
.sunday...southeast winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.monday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 

$$

fzus61 kbuf 120902
glflo 
expires:202602121600;;499905

open lake forecast for lake ontario
national weather service buffalo ny
402 am est thu feb 12 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 30.4 inch area of high pressure over the mid 
mississippi valley will slowly move across the ohio valley today and 
eventually to the carolinas on friday. meanwhile, a 29.7 inch area 
of low pressure over central quebec friday will move southeast 
across new england saturday and off the coast saturday night. a 30.3 
inch high will build southeast into the ottawa valley saturday, then 
into new england sunday. following a weak cold frontal passage 
sunday night, another area of high pressure will build across the 
lake monday, averaging 30.2 inches.


loz064-065-121600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est thu feb 12 2026

.today...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow showers this morning. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tonight...northwest winds 5 to 15 knots. waves 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots becoming southwest. waves
1 to 3 feet building to 2 to 4 feet. 
.friday night...southwest winds 15 to 20 knots becoming west.
snow showers likely. waves 2 to 4 feet building to 3 to 6 feet. 
.saturday...northwest winds 5 to 15 knots becoming south. waves
3 to 5 feet subsiding to 1 foot or less. 
.sunday...southeast winds 5 to 10 knots becoming south. waves
1 foot or less. 
.monday...southwest winds 5 to 10 knots becoming south. waves
1 foot or less. 

$$

fzus61 kcle 120805
glfle 
expires:202602121515;;497747

open lake forecast for lake erie
national weather service cleveland oh
305 am est thu feb 12 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 trough averaging 30.20 inches will then linger across lake erie
this morning. high pressure 30.40 inches will build into the ohio
valley later today and linger into the weekend. low pressure 
29.70 inches tracks across the mid south on sunday, followed by 
high pressure 30.10 inches building into the region on monday.


lez162>164-121515-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
305 am est thu feb 12 2026

.today...west winds 5 to 15 knots becoming northwest. the lake is
mostly ice covered.
.tonight...northwest winds less than 10 knots becoming southwest.
.friday...southwest winds 5 to 10 knots. 
.friday night...southwest winds 10 to 15 knots becoming west. 
.saturday...southwest winds 10 knots or less becoming south. 
.sunday...southeast winds 5 to 10 knots becoming northwest. 
.monday...southwest winds 5 to 10 knots becoming south. 

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 120805
glfle 
expires:202602121515;;497748

open lake forecast for lake erie
national weather service cleveland oh
305 am est thu feb 12 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 trough averaging 30.20 inches will then linger across lake erie
this morning. high pressure 30.40 inches will build into the ohio
valley later today and linger into the weekend. low pressure 
29.70 inches tracks across the mid south on sunday, followed by 
high pressure 30.10 inches building into the region on monday.


lez061-165>169-121515-
ripley to buffalo ny extending from 5nm 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-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-
305 am est thu feb 12 2026

.today...west winds 10 to 15 knots becoming northwest. a chance
of snow showers this morning, then a chance of flurries this
afternoon. the lake is mostly ice covered.
.tonight...west winds 10 knots or less. 
.friday...southwest winds 5 to 15 knots. 
.friday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. 
.saturday...west winds 10 knots or less becoming south. 
.sunday...southeast winds 5 to 10 knots becoming west. 
.monday...west winds 10 knots or less becoming south. 

waves omitted due to the lake being mostly ice covered.

$$

fzus63 kdtx 120830
glfsc 
expires:202602121630;;498666

lake st clair forecast
national weather service detroit/pontiac mi
330 am est thu feb 12 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, 30.40 inches, builds into the western
great lakes through early thursday, then shifts southward into
the ohio valley by friday. meanwhile, a clipper system will pass
near northern lake huron leading to moderate southwest winds on
friday. high pressure will dominate the area through the weekend
as the storm track sets up across the southern us.


lcz460-121630-
lake st clair-
330 am est thu feb 12 2026

.today...northwest winds 5 to 10 knots. mostly sunny.
.tonight...northwest winds 5 to 10 knots this evening becoming light
and variable. partly cloudy.
.friday...southwest winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. mostly sunny.
.friday night...southwest winds 10 to 15 knots becoming west 5 to 10
knots after midnight. mostly clear.
.saturday...west winds 5 to 10 knots in the morning becoming light
and variable...then becoming south 5 to 10 knots in the evening.
mostly sunny becoming partly sunny in the afternoon becoming mostly
cloudy.
.sunday...northwest winds 5 to 10 knots. partly cloudy.
.monday...south winds 5 to 10 knots. partly cloudy.

waves omitted due to ice coverage.

$$

fzus63 kdtx 120830
glflh 
expires:202602121630;;498662

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 am est thu feb 12 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, 30.40 inches, builds into the western
great lakes through early thursday, then shifts southward into
the ohio valley by friday. meanwhile, a clipper system will pass
near northern lake huron leading to moderate southwest winds on
friday. high pressure will dominate the area through the weekend
as the storm track sets up across the southern us.


lhz361-121630-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
330 am est thu feb 12 2026

.today...northwest winds 5 to 10 knots. waves 2 feet or less. 
.tonight...west winds 5 to 10 knots backing to the southwest
early in the morning. waves 2 feet or less. 
.friday...southwest winds 5 to 10 knots becoming west 10 to
15 knots. waves 1 to 3 feet. 
.friday night...west winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. waves 1 to 3 feet. 
.saturday...west winds 5 to 10 knots in the morning becoming
light and variable...then becoming southeast 5 to 10 knots late
in the afternoon. waves 2 feet or less. 
.sunday...south winds 5 to 10 knots veering to the west . waves
2 feet or less. 
.monday...west winds 5 to 10 knots backing to the south. waves
2 feet or less. 

wave heights are for ice free areas.

$$

fzus63 kdtx 120830
glflh 
expires:202602121630;;498663

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 am est thu feb 12 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, 30.40 inches, builds into the western
great lakes through early thursday, then shifts southward into
the ohio valley by friday. meanwhile, a clipper system will pass
near northern lake huron leading to moderate southwest winds on
friday. high pressure will dominate the area through the weekend
as the storm track sets up across the southern us.


lhz362-363-121630-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
330 am est thu feb 12 2026

.today...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet in the afternoon. 
.tonight...west winds 5 to 10 knots backing to the southwest
early in the morning. waves 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. 
.friday night...west winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet after midnight. 
.saturday...west winds 5 to 10 knots backing to the south late in
the afternoon. waves 2 feet or less. 
.sunday...south winds 10 to 15 knots becoming southwest 5 to
10 knots early in the evening...then veering to the west by
midnight. waves 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots backing to the south
early in the evening...then increasing to 10 to 15 knots by
midnight. waves 1 to 3 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 120830
glflh 
expires:202602121630;;498664

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 am est thu feb 12 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, 30.40 inches, builds into the western
great lakes through early thursday, then shifts southward into
the ohio valley by friday. meanwhile, a clipper system will pass
near northern lake huron leading to moderate southwest winds on
friday. high pressure will dominate the area through the weekend
as the storm track sets up across the southern us.


lhz462>464-121630-
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-
330 am est thu feb 12 2026

.today...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. 
.tonight...northwest winds 5 to 10 knots early in the evening
becoming light and variable...then becoming southwest 5 to
10 knots early in the morning. 
.friday...southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. 
.friday night...southwest winds 10 to 15 knots becoming west 5 to
10 knots after midnight. 
.saturday...west winds 5 to 10 knots backing to the south late in
the afternoon. 
.sunday...south winds 5 to 10 knots veering to the west by
midnight. 
.monday...southwest winds 5 to 10 knots backing to the south . 

waves omitted due to ice coverage.

$$

fzus63 kdtx 120201
glflh 
expires:202602121015;;484605

open lake forecast for lake huron
national weather service detroit/pontiac mi
901 pm est wed feb 11 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, 30.40 inches, builds into the western
great lakes through early thursday, then shifts southward into
the ohio valley by friday. meanwhile, a clipper system will pass
near northern lake huron leading to moderate southwest winds on
friday. high pressure will dominate the area through the weekend
as the storm track sets up across the southern us.


lhz363-121015-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
901 pm est wed feb 11 2026

.rest of tonight...northwest winds 15 to 20 knots decreasing to
10 to 15 knots after midnight. 
.thursday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. 
.thursday night...light and variable winds becoming southwest
5 to 10 knots in the late evening and overnight. 
.friday...southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. 
.friday night...west winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. 
.saturday...west winds 5 to 10 knots backing to the southwest
late in the morning...then backing to the south late in the
afternoon increasing to 10 to 15 knots late in the evening. 
.sunday...south winds 10 to 15 knots decreasing to 5 to 10 knots
early in the evening...then increasing to 10 to 15 knots by
midnight. 
.monday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots until early evening...then backing to the south by
midnight. 

waves omitted due to ice coverage.

$$

fzus63 kdtx 120201
glflh 
expires:202602121015;;484604

open lake forecast for lake huron
national weather service detroit/pontiac mi
901 pm est wed feb 11 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, 30.40 inches, builds into the western
great lakes through early thursday, then shifts southward into
the ohio valley by friday. meanwhile, a clipper system will pass
near northern lake huron leading to moderate southwest winds on
friday. high pressure will dominate the area through the weekend
as the storm track sets up across the southern us.


lhz361-362-121015-
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-
901 pm est wed feb 11 2026

.rest of tonight...northwest winds 15 to 20 knots decreasing to
10 to 15 knots after midnight. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.thursday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet in the afternoon. 
.thursday night...west winds 5 to 10 knots backing to the
southwest after midnight. waves 1 to 3 feet. 
.friday...southwest winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon. 
.friday night...west winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 3 to 5 feet subsiding to 2 to
4 feet after midnight. 
.saturday...west winds 5 to 10 knots backing to the southwest
late in the morning...then backing to the southeast late in the
afternoon. waves 1 to 3 feet. 
.sunday...southeast winds 10 to 15 knots becoming south 5 to
10 knots . waves 2 to 4 feet subsiding to 1 to 3 feet . 
.monday...southwest winds 5 to 10 knots backing to the south .
waves 1 to 3 feet. 

wave heights are for ice free areas.

$$

fzus63 kmkx 120906
glflm 
expires:202602121615;;500249

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
306 am cst thu feb 12 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

high pressure of 30.3 inches remains over the lake through this 
morning, with high pressure progressing eastward this afternoon 
and allowing southwesterly winds to develop tonight into friday.
west-southwest winds will continue through saturday as 29.6 inch 
low pressure forms over northern manitoba. low pressure will 
move east into the hudson bay saturday night through sunday 
morning, pulling a weak cold front across lake michigan in the 
process. winds will briefly shift out of the northwest sunday 
afternoon behind the front.

winds will trend light and variable sunday night, as 30.1 inch 
high pressure builds across the lake. winds will shift south, then 
southwesterly monday as the high shifts east, with readings 
steadily increasing through tuesday as 29.5 inch low pressure 
forms over the northern great plains. low pressure will approach 
and cross the lake tuesday night through wednesday, resulting in 
a westerly wind shift by wednesday afternoon. a few gales are 
possible tuesday night through wednesday morning, though how 
widespread they would be remains uncertain.



lmz080-669-671-673-675-777-779-870-872-874-876-878-121615-
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-
306 am cst thu feb 12 2026

sheboygan wi to pentwater mi south...

.today...north winds 5 to 10 kt becoming east. waves 1 to 3 ft
subsiding to 1 to 2 ft. 
.tonight...southeast winds 5 to 10 kt becoming south. waves 1 to
2 ft. 
.friday...southwest winds 10 to 15 kt. waves 2 to 4 ft. 
.friday night...southwest winds 10 to 15 kt becoming west 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday...southwest winds 5 to 10 kt becoming south. waves 1 to
2 ft. 
.saturday night...south winds 10 to 15 kt. waves 1 to 3 ft. 
.sunday...southwest winds 10 to 15 kt becoming west. waves 1 to
3 ft. 
.monday...south winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 1 to 3 ft.  

$$

fzus63 kmkx 120906
glflm 
expires:202602121615;;500248

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
306 am cst thu feb 12 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

high pressure of 30.3 inches remains over the lake through this 
morning, with high pressure progressing eastward this afternoon 
and allowing southwesterly winds to develop tonight into friday.
west-southwest winds will continue through saturday as 29.6 inch 
low pressure forms over northern manitoba. low pressure will 
move east into the hudson bay saturday night through sunday 
morning, pulling a weak cold front across lake michigan in the 
process. winds will briefly shift out of the northwest sunday 
afternoon behind the front.

winds will trend light and variable sunday night, as 30.1 inch 
high pressure builds across the lake. winds will shift south, then 
southwesterly monday as the high shifts east, with readings 
steadily increasing through tuesday as 29.5 inch low pressure 
forms over the northern great plains. low pressure will approach 
and cross the lake tuesday night through wednesday, resulting in 
a westerly wind shift by wednesday afternoon. a few gales are 
possible tuesday night through wednesday morning, though how 
widespread they would be remains uncertain.



lmz261-362-364-366-563-565-567-868-121615-
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-
306 am cst thu feb 12 2026

sheboygan wi to pentwater mi north...

.today...north winds 10 to 15 kt backing to west. waves 1 to 3 ft
subsiding to 1 to 2 ft. 
.tonight...southwest winds 5 to 10 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.friday...southwest winds 10 to 20 kt becoming west. waves 3 to
5 ft. 
.friday night...northwest winds 10 to 15 kt becoming north. waves
2 to 4 ft subsiding to 1 to 3 ft. 
.saturday...south winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday night...south winds 10 to 15 kt. waves 1 to 3 ft. 
.sunday...southwest winds 10 to 15 kt. waves 1 to 3 ft. 
.monday...south winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmqt 120901
glfls 
expires:202602122100;;499758

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 12 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...

30.3 inch high pressure builds into the great lakes this morning. by 
friday morning, the high retreats into the southern portion of the 
great lakes while a 29.8 inch low moves across far northern ontario. 
this low pulls a 29.9 inch trough over eastern lake superior friday 
afternoon. high pressure builds back to 30.1 inches over the great 
lakes by saturday morning before a weak 29.8 inch trough moves into 
the upper great lakes saturday evening. weak troughing of around 
29.8 inches hangs out over the upper great lakes the rest of this 
weekend to monday.



lsz162-122100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est thu feb 12 2026 /300 am cst thu feb 12 2026/

.early this morning...east winds 5 to 15 knots. waves calm to
2 feet. 
.today...east winds 5 to 15 knots veering south by late morning,
then backing southeast by mid afternoon. waves calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots increasing to 10 to
20 knots late. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing south after
midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering southwest in the
afternoon. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday...west winds 5 to 15 knots backing southwest. waves calm
to 2 feet. 
.monday...west winds 5 to 15 knots veering northeast. waves calm
to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 120901
glfls 
expires:202602122100;;499759

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 12 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...

30.3 inch high pressure builds into the great lakes this morning. by 
friday morning, the high retreats into the southern portion of the 
great lakes while a 29.8 inch low moves across far northern ontario. 
this low pulls a 29.9 inch trough over eastern lake superior friday 
afternoon. high pressure builds back to 30.1 inches over the great 
lakes by saturday morning before a weak 29.8 inch trough moves into 
the upper great lakes saturday evening. weak troughing of around 
29.8 inches hangs out over the upper great lakes the rest of this 
weekend to monday.



lsz263-122100-
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 thu feb 12 2026

.early this morning...north winds less than 10 knots. waves calm
to 2 feet. 
.today...south winds less than 10 knots becoming southwest 5 to
15 knots. waves calm to 2 feet. 
.tonight...south winds 5 to 15 knots becoming southwest 10 to
20 knots by midnight. waves building to 2 to 4 feet. 
.friday...west winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots becoming south less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering southwest in the
afternoon. waves calm to 2 feet. 
.saturday night...southwest winds 5 to 15 knots veering west
after midnight. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots backing southwest. waves calm
to 2 feet. 
.monday...southwest winds 5 to 15 knots backing northeast. waves
calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 120901
glfls 
expires:202602122100;;499760

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 12 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...

30.3 inch high pressure builds into the great lakes this morning. by 
friday morning, the high retreats into the southern portion of the 
great lakes while a 29.8 inch low moves across far northern ontario. 
this low pulls a 29.9 inch trough over eastern lake superior friday 
afternoon. high pressure builds back to 30.1 inches over the great 
lakes by saturday morning before a weak 29.8 inch trough moves into 
the upper great lakes saturday evening. weak troughing of around 
29.8 inches hangs out over the upper great lakes the rest of this 
weekend to monday.



lsz264-122100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am est thu feb 12 2026

.early this morning...northwest winds 5 to 15 knots. isolated
snow showers. waves calm to 2 feet. 
.today...northwest winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 
.tonight...south winds 5 to 15 knots becoming southwest 10 to
20 knots by midnight, then increasing to 15 to 25 knots late.
waves building to 2 to 4 feet. 
.friday...west winds 15 to 25 knots becoming northwest 10 to
20 knots by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 1 to 3 feet. 
.friday night...northwest winds 5 to 15 knots becoming southwest
less than 10 knots after midnight. waves subsiding to calm to
2 feet. 
.saturday...south winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...southwest winds 5 to 15 knots veering west
after midnight. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots backing southwest. waves calm
to 2 feet. 
.monday...southwest winds 5 to 15 knots veering northwest. waves
building to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 120901
glfls 
expires:202602122100;;499761

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 12 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...

30.3 inch high pressure builds into the great lakes this morning. by 
friday morning, the high retreats into the southern portion of the 
great lakes while a 29.8 inch low moves across far northern ontario. 
this low pulls a 29.9 inch trough over eastern lake superior friday 
afternoon. high pressure builds back to 30.1 inches over the great 
lakes by saturday morning before a weak 29.8 inch trough moves into 
the upper great lakes saturday evening. weak troughing of around 
29.8 inches hangs out over the upper great lakes the rest of this 
weekend to monday.



lsz265-122100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am est thu feb 12 2026

.early this morning...west winds 10 to 20 knots. isolated snow
showers. waves 1 to 3 feet. 
.today...west winds 10 to 20 knots diminishing to 5 to 15 knots
by late morning, then backing south by mid afternoon. waves
subsiding to calm to 2 feet. 
.tonight...south winds 10 to 20 knots veering southwest by
midnight. waves calm to 2 feet. 
.friday...west winds 15 to 25 knots. waves calm to 2 feet. 
.friday night...northwest winds 5 to 15 knots backing west after
midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.saturday night...south winds 10 to 20 knots veering west after
midnight. waves calm to 2 feet. 
.sunday...west winds 10 to 20 knots backing southwest. waves calm
to 2 feet. 
.monday...south winds 10 to 20 knots veering west. waves calm to
2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 120901
glfls 
expires:202602122100;;499762

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 12 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...

30.3 inch high pressure builds into the great lakes this morning. by 
friday morning, the high retreats into the southern portion of the 
great lakes while a 29.8 inch low moves across far northern ontario. 
this low pulls a 29.9 inch trough over eastern lake superior friday 
afternoon. high pressure builds back to 30.1 inches over the great 
lakes by saturday morning before a weak 29.8 inch trough moves into 
the upper great lakes saturday evening. weak troughing of around 
29.8 inches hangs out over the upper great lakes the rest of this 
weekend to monday.



lsz266-122100-
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 thu feb 12 2026

.early this morning...north winds 10 to 20 knots. isolated snow
showers. waves 2 to 4 feet. 
.today...northwest winds 10 to 20 knots becoming west 5 to
15 knots by late morning, then backing southwest by mid
afternoon. isolated snow showers in the morning. waves subsiding
to calm to 2 feet. 
.tonight...south winds 10 to 20 knots veering southwest by
midnight, then increasing to 15 to 25 knots late. waves building
to 2 to 4 feet. 
.friday...west winds 15 to 25 knots veering northwest by mid
afternoon. waves building to 3 to 6 feet occasionally to 8 feet. 
.friday night...northwest winds 5 to 15 knots backing west after
midnight. waves subsiding to calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.saturday night...south winds 15 to 25 knots veering southwest
after midnight. waves building to 1 to 3 feet. 
.sunday...west winds 10 to 20 knots backing southwest. waves
subsiding to calm to 2 feet. 
.monday...south winds 10 to 20 knots veering west. waves building
to 1 to 3 feet, then subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 120901
glfls 
expires:202602122100;;499763

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 12 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...

30.3 inch high pressure builds into the great lakes this morning. by 
friday morning, the high retreats into the southern portion of the 
great lakes while a 29.8 inch low moves across far northern ontario. 
this low pulls a 29.9 inch trough over eastern lake superior friday 
afternoon. high pressure builds back to 30.1 inches over the great 
lakes by saturday morning before a weak 29.8 inch trough moves into 
the upper great lakes saturday evening. weak troughing of around 
29.8 inches hangs out over the upper great lakes the rest of this 
weekend to monday.



lsz267-122100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am est thu feb 12 2026

.early this morning...north winds 10 to 20 knots. isolated snow
showers. waves 1 to 3 feet. 
.today...north winds 10 to 20 knots diminishing to 5 to 15 knots
by late morning, then backing west by mid afternoon. waves
subsiding to calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots becoming south 10 to
20 knots by midnight, then veering southwest late. waves building
to 2 to 4 feet. 
.friday...southwest winds 10 to 20 knots becoming west 15 to
25 knots by late morning, then veering northwest by mid
afternoon. waves building to 3 to 6 feet occasionally to 8 feet. 
.friday night...northwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.saturday night...south winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves calm to 2 feet. 
.sunday...west winds 10 to 20 knots backing southwest. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.monday...south winds 10 to 20 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$