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fzus61 kbuf 020302
glflo 
expires:202602021000;;941071

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun feb 1 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 ridge averaging 30.2 inches will build east across the 
lower great lakes tonight through monday before moving to the east 
coast tuesday. a 29.9 inch low will then move from just north of 
georgian bay tuesday morning to the lower saint lawrence valley by 
wednesday. a 30.4 inch high will then settle into the lower ohio 
valley wednesday through thursday. a strong cold front will then 
cross the lower great lakes friday, with a 30.6 inch high building 
into the central great lakes and ohio valley saturday in the wake of 
the front.


loz063>065-021000-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm est sun feb 1 2026

.overnight...northwest winds 10 to 15 knots. waves 1 to
3 feet. 
.monday...northwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.monday night...west winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots becoming west. a chance
of lake effect snow showers in the afternoon. waves 1 to 3 feet. 
.tuesday night...west winds 10 to 15 knots. a chance of lake
effect snow showers. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...northwest winds 10 to 15 knots. a chance of lake
effect snow showers. waves 1 to 3 feet. 
.thursday...northwest winds 10 to 15 knots becoming southwest
15 to 20 knots. a chance of lake effect snow showers. waves 1 to
3 feet building to 3 to 6 feet. 
.friday...southwest winds 15 to 20 knots becoming northwest and
increasing to 30 knots. snow showers. waves 3 to 6 feet building
to 7 to 10 feet. waves occasionally around 13 feet. 

$$
fzus61 kbuf 020302
glflo 
expires:202602021000;;941070

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun feb 1 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 ridge averaging 30.2 inches will build east across the 
lower great lakes tonight through monday before moving to the east 
coast tuesday. a 29.9 inch low will then move from just north of 
georgian bay tuesday morning to the lower saint lawrence valley by 
wednesday. a 30.4 inch high will then settle into the lower ohio 
valley wednesday through thursday. a strong cold front will then 
cross the lower great lakes friday, with a 30.6 inch high building 
into the central great lakes and ohio valley saturday in the wake of 
the front.


loz062-021000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est sun feb 1 2026

.overnight...northwest winds 10 to 15 knots. waves 1 to
2 feet. 
.monday...west winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 
.monday night...southwest winds 10 to 15 knots. waves 2 to
3 feet. 
.tuesday...southwest winds 10 to 15 knots becoming west. waves
2 to 3 feet. 
.tuesday night...west winds 10 to 15 knots becoming northwest.
waves 2 to 3 feet. 
.wednesday...northwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.thursday...west winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. a chance of snow showers thursday
night. waves 1 to 2 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.friday...southwest winds to 30 knots becoming northwest. snow
showers likely during the day, then a chance of snow showers
friday night. waves 5 to 8 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 

$$
fzus61 kcle 020225
glfle 
expires:202602020915;;940124

open lake forecast for lake erie
national weather service cleveland oh
925 pm est sun feb 1 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 averaging 30.30 inches will exit to the east before
a weak cold front moves east across lake erie monday night into 
tuesday. behind the front, another ridge averaging 30.30 inches 
builds from the north-central united states through wednesday 
night. on thursday, the ridge will begin to exit to the northeast 
as a cold front moves through the great lakes region on friday.


lez162>164-020915-
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-
925 pm est sun feb 1 2026

.overnight...southwest winds 5 to 10 knots. the lake is
mostly ice covered.
.monday...south winds 10 to 15 knots becoming southwest. a slight
chance of snow showers from late morning on. 
.monday night...southwest winds around 10 knots becoming west. 
.tuesday...west winds 5 to 10 knots becoming northwest. 
.tuesday night...northwest winds 5 to 10 knots becoming north. 
.wednesday...northwest winds 5 to 10 knots becoming west. 
.thursday...west winds 5 to 15 knots becoming southwest 15 to
20 knots. snow likely thursday night. 
.friday...southwest winds 15 to 25 knots becoming northwest. a
chance of snow during the day. 

waves omitted due to the lake being mostly ice covered.

$$
fzus61 kcle 020225
glfle 
expires:202602020915;;940125

open lake forecast for lake erie
national weather service cleveland oh
925 pm est sun feb 1 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 averaging 30.30 inches will exit to the east before
a weak cold front moves east across lake erie monday night into 
tuesday. behind the front, another ridge averaging 30.30 inches 
builds from the north-central united states through wednesday 
night. on thursday, the ridge will begin to exit to the northeast 
as a cold front moves through the great lakes region on friday.


lez061-165>169-020915-
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-
925 pm est sun feb 1 2026

.overnight...southwest winds 5 to 10 knots. the lake is
mostly ice covered.
.monday...southwest winds 5 to 15 knots. a slight chance of snow
showers late. 
.monday night...southwest winds 10 to 15 knots becoming west. 
.tuesday...west winds 10 to 15 knots. 
.tuesday night...northwest winds 5 to 10 knots. 
.wednesday...northwest winds 5 to 10 knots becoming west. 
.thursday...west winds 5 to 15 knots becoming southwest and
increasing to 15 to 25 knots. snow likely thursday night. 
.friday...southwest winds 15 to 25 knots becoming northwest. snow
likely during the day. 

waves omitted due to the lake being mostly ice covered.

$$
fzus63 kdtx 020210
glfsc 
expires:202602021015;;939809

lake st clair forecast
national weather service detroit/pontiac mi
910 pm est sun feb 1 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...a weak clipper, 30.00 inches, slides over the region
later monday bringing modest southwest turning northwest winds
and light snow showers. high pressure, 30.50 inches, then returns
for the midweek period.


lcz460-021015-
lake st clair-
910 pm est sun feb 1 2026

.rest of tonight...southwest winds 5 to 10 knots. partly cloudy.
.monday...south winds 5 to 10 knots becoming southwest 10 to 15
knots in the late morning and afternoon. mostly cloudy. a chance of
light snow until late afternoon.
.monday night...southwest winds 5 to 10 knots. mostly cloudy
becoming partly cloudy.
.tuesday...west winds 5 to 10 knots. partly sunny. a chance of
flurries until late afternoon.
.tuesday night...northwest winds 5 to 10 knots. partly cloudy.
.wednesday...northwest winds 5 to 10 knots. partly cloudy.
.thursday...southwest winds 15 to 20 knots. partly cloudy. a chance
of light snow.
.friday...northwest winds 15 to 20 knots. mostly cloudy. light snow
likely.

waves omitted due to ice coverage.

$$
fzus63 kdtx 020208
glflh 
expires:202602021015;;939437

open lake forecast for lake huron
national weather service detroit/pontiac mi
908 pm est sun feb 1 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...a weak clipper, 30.00 inches, slides over the region
later monday bringing modest southwest turning northwest winds
and light snow showers. high pressure, 30.50 inches, then returns
for the midweek period.


lhz362-363-462-021015-
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-
lake huron from port austin to harbor beach beyond 5nm off shore-
908 pm est sun feb 1 2026

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

wave heights are for ice free areas.

$$
fzus63 kdtx 020208
glflh 
expires:202602021015;;939436

open lake forecast for lake huron
national weather service detroit/pontiac mi
908 pm est sun feb 1 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...a weak clipper, 30.00 inches, slides over the region
later monday bringing modest southwest turning northwest winds
and light snow showers. high pressure, 30.50 inches, then returns
for the midweek period.


lhz361-021015-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
908 pm est sun feb 1 2026

.rest of tonight...south winds 5 to 10 knots. waves 2 feet or
less. 
.monday...south winds 10 to 15 knots becoming southwest 5 to
10 knots early in the afternoon...then increasing to 10 to
15 knots late in the afternoon. snow likely. waves 1 to 3 feet. 
.monday night...west winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. waves 3 to 5 feet. 
.tuesday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then
increasing to 15 to 20 knots early in the afternoon. waves 3 to
5 feet. 
.tuesday night...northwest 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. 
.wednesday...northwest winds 5 to 10 knots becoming west 10 to
15 knots late in the afternoon...then becoming northwest 5 to
10 knots late in the evening. waves 2 feet or less. 
.thursday...west winds 5 to 10 knots becoming southwest 10 to
15 knots until early evening...then increasing to 15 to 20 knots
by midnight. a chance of snow by midnight. waves 1 to 3 feet
building to 2 to 4 feet by midnight. 
.friday...northwest winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots until early evening...then
becoming north 15 to 20 knots by midnight. a chance of snow early
in the morning. waves 5 to 7 feet. waves occasionally around
10 feet. 

wave heights are for ice free areas.

$$
fzus63 kdtx 020208
glflh 
expires:202602021015;;939438

open lake forecast for lake huron
national weather service detroit/pontiac mi
908 pm est sun feb 1 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...a weak clipper, 30.00 inches, slides over the region
later monday bringing modest southwest turning northwest winds
and light snow showers. high pressure, 30.50 inches, then returns
for the midweek period.


lhz463-464-021015-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
908 pm est sun feb 1 2026

.rest of tonight...light and variable winds becoming south 5 to
10 knots after midnight. 
.monday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. a chance of snow. 
.monday night...south winds 10 to 15 knots becoming southwest
5 to 10 knots in the late evening and overnight. 
.tuesday...west winds 5 to 10 knots becoming northwest 10 to
15 knots in the late morning and afternoon. 
.tuesday night...northwest winds 5 to 10 knots increasing to
10 to 15 knots in the late evening and overnight. 
.wednesday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then backing to the west late in
the evening. 
.thursday...west winds 10 to 15 knots backing to the southwest
early in the evening...then increasing to 15 to 20 knots by
midnight. a chance of snow early in the evening. snow likely by
midnight. 
.friday...southwest winds 15 to 20 knots becoming west 20 to
25 knots with gusts to around 30 knots in the late morning and
early afternoon...then becoming northwest to 30 knots with gusts
to 35 knot gales early in the evening decreasing to 20 to
25 knots with gusts to 35 knot gales by midnight. snow likely
early in the morning...then a chance of snow in the late morning
and early afternoon. 

waves omitted due to ice coverage.

$$
fzus63 kmkx 020257
glflm 
expires:202602021015;;940748

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
857 pm cst sun feb 1 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...

southwest breezes continue through late tonight, shifting to
northwesterly behind a cold front early monday morning. light to 
moderate northwest winds are then expected to continue until late 
in the work week when low pressure of 29.6 inches approaches. 
southwest winds will return for thursday ahead of this low, 
before north northwest winds return on friday behind its cold 
front. gales and moderate freezing spray may occur behind the cold
front.


lmz080-669-671-673-675-777-779-870-872-874-876-878-021015-
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-
857 pm cst sun feb 1 2026

sheboygan wi to pentwater mi south...

.rest of tonight...southwest winds 15 to 25 kt diminishing to
10 to 20 kt. chance of snow through early evening, then snow with
a chance of light freezing drizzle overnight. waves 4 to 7 ft
occasionally to 9 ft. 
.monday...west winds 10 to 20 kt becoming northwest. chance of
snow in the morning. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.monday night...northwest winds 10 to 20 kt. waves 3 to 5 ft. 
.tuesday...north winds 10 to 15 kt. waves 3 to 5 ft. 
.tuesday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 2 to 4 ft. 
.wednesday...northwest winds 5 to 10 kt becoming west 10 to
15 kt. waves 1 to 3 ft. 
.wednesday night...northwest winds 10 to 15 kt. waves 1 to 3 ft. 
.thursday...southwest winds 10 to 20 kt increasing to 15 to
25 kt. waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft. 
.friday...northwest gales to 35 kt becoming north. freezing
spray. chance of snow. waves 8 to 12 ft occasionally to 16 ft.  

$$
fzus63 kmkx 020257
glflm 
expires:202602021015;;940747

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
857 pm cst sun feb 1 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...

southwest breezes continue through late tonight, shifting to
northwesterly behind a cold front early monday morning. light to 
moderate northwest winds are then expected to continue until late 
in the work week when low pressure of 29.6 inches approaches. 
southwest winds will return for thursday ahead of this low, 
before north northwest winds return on friday behind its cold 
front. gales and moderate freezing spray may occur behind the cold
front.


lmz261-362-364-366-563-565-567-868-021015-
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-
857 pm cst sun feb 1 2026

sheboygan wi to pentwater mi north...

.rest of tonight...southwest winds 15 to 25 kt diminishing to
10 to 20 kt. chance of snow through early evening, then snow and
slight chance of light freezing drizzle overnight. waves 4 to
7 ft occasionally to 9 ft. 
.monday...west winds 10 to 15 kt becoming northwest 10 to 20 kt.
chance of snow and slight chance of light freezing drizzle in the
morning. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.monday night...northwest winds 10 to 20 kt. waves 3 to 5 ft. 
.tuesday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 3 to 5 ft. 
.tuesday night...north winds 10 to 15 kt becoming northwest 5 to
10 kt. waves 2 to 4 ft. 
.wednesday...northwest winds 5 to 10 kt becoming west. waves 1 to
2 ft. 
.wednesday night...northwest winds 5 to 10 kt becoming west 10 to
15 kt. waves 1 to 2 ft. 
.thursday...southwest winds 10 to 20 kt increasing to 15 to
25 kt. chance of snow. waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft. 
.friday...north winds to 30 kt. freezing spray. waves 7 to 10 ft
occasionally to 13 ft.  

$$
fzus63 kmqt 020300
glfls 
expires:202602020900;;940854

open lake forecast for lake superior
national weather service marquette mi
1000 pm est sun feb 1 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 29.9 inch trough will cross lake superior tonight. the trough 
moves over the ontario/quebec line monday night as a 30.4 inch high 
moves south from lake winnipeg. this high settles south over the 
upper mississippi river valley and plains through wednesday ahead of 
a 29.4 inch low moving into hudson bay by thursday morning. this low 
pulls a 29.6 inch trough through lake superior thursday night 
followed by ridging of at least 30.3 inches by friday night.



lsz266-020900-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 pm est sun feb 1 2026

.rest of tonight...southwest winds 20 to 30 knots diminishing to
15 to 25 knots by midnight. freezing spray late in the evening.
snow showers likely. waves 5 to 8 feet occasionally to 10 feet
subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.monday...northwest winds 15 to 25 knots increasing to 20 to
30 knots. freezing spray. a chance of snow showers. waves
building to 5 to 8 feet occasionally to 10 feet. 
.monday night...northwest winds to 30 knots with a few gale force
gusts to 35 knots possible becoming north 20 to 30 knots by
midnight. heavy freezing spray. a chance of snow showers. waves
building to 6 to 9 feet occasionally to 11 feet, then subsiding
to 4 to 7 feet occasionally to 9 feet. 
.tuesday...north winds 15 to 25 knots backing northwest in the
afternoon. heavy freezing spray in the morning. a chance of snow
showers. waves subsiding to 2 to 4 feet. 
.tuesday night...northwest winds 10 to 20 knots. a slight chance
of snow showers in the evening. waves subsiding to calm to
2 feet. 
.wednesday...west winds 10 to 20 knots veering northwest in the
afternoon. waves building to 1 to 3 feet. 
.wednesday night...northwest winds 10 to 20 knots backing west
after midnight. waves 1 to 3 feet. 
.thursday...southwest winds 15 to 25 knots becoming northwest
gales to 40 knots. snow showers likely, then a chance of snow
showers. freezing spray. waves building to 7 to 10 feet
occasionally to 13 feet. 
.friday...north gales to 40 knots diminishing to 20 to 30 knots.
heavy freezing spray. a chance of snow showers. waves building to
10 to 14 feet occasionally to 18 feet, then subsiding to 3 to
6 feet occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 020300
glfls 
expires:202602020900;;940855

open lake forecast for lake superior
national weather service marquette mi
1000 pm est sun feb 1 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 29.9 inch trough will cross lake superior tonight. the trough 
moves over the ontario/quebec line monday night as a 30.4 inch high 
moves south from lake winnipeg. this high settles south over the 
upper mississippi river valley and plains through wednesday ahead of 
a 29.4 inch low moving into hudson bay by thursday morning. this low 
pulls a 29.6 inch trough through lake superior thursday night 
followed by ridging of at least 30.3 inches by friday night.



lsz267-020900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm est sun feb 1 2026

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

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 020300
glfls 
expires:202602020900;;940850

open lake forecast for lake superior
national weather service marquette mi
1000 pm est sun feb 1 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 29.9 inch trough will cross lake superior tonight. the trough 
moves over the ontario/quebec line monday night as a 30.4 inch high 
moves south from lake winnipeg. this high settles south over the 
upper mississippi river valley and plains through wednesday ahead of 
a 29.4 inch low moving into hudson bay by thursday morning. this low 
pulls a 29.6 inch trough through lake superior thursday night 
followed by ridging of at least 30.3 inches by friday night.



lsz162-020900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est sun feb 1 2026 /900 pm cst sun feb 1 2026/

.rest of tonight...northwest winds 15 to 25 knots. a slight
chance of snow showers late in the evening. waves 1 to 3 feet
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.monday...northwest winds 10 to 20 knots. waves subsiding to calm
to 2 feet. 
.monday night...north winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots backing southwest
after midnight. waves calm to 2 feet. 
.thursday...southwest winds 15 to 25 knots veering north. a
chance of snow showers, possibly mixed with rain. waves building
to 1 to 3 feet, then subsiding to calm to 2 feet. 
.friday...north winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 020300
glfls 
expires:202602020900;;940851

open lake forecast for lake superior
national weather service marquette mi
1000 pm est sun feb 1 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 29.9 inch trough will cross lake superior tonight. the trough 
moves over the ontario/quebec line monday night as a 30.4 inch high 
moves south from lake winnipeg. this high settles south over the 
upper mississippi river valley and plains through wednesday ahead of 
a 29.4 inch low moving into hudson bay by thursday morning. this low 
pulls a 29.6 inch trough through lake superior thursday night 
followed by ridging of at least 30.3 inches by friday night.



lsz263-020900-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 pm est sun feb 1 2026

.rest of tonight...west winds 10 to 20 knots veering northwest by
midnight. a chance of snow showers. waves 2 to 4 feet. 
.monday...north winds 15 to 25 knots becoming northwest 10 to
20 knots. waves subsiding to 1 to 3 feet. 
.monday night...north winds 10 to 20 knots. waves building to
2 to 4 feet, then subsiding to 1 to 3 feet. 
.tuesday...north winds 5 to 15 knots backing northwest in the
afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots. waves calm to 2 feet.
.wednesday night...west winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. waves building to 1 to 3 feet. 
.thursday...southwest winds 15 to 25 knots becoming north 20 to
30 knots. a chance of snow showers. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.friday...north winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 020300
glfls 
expires:202602020900;;940852

open lake forecast for lake superior
national weather service marquette mi
1000 pm est sun feb 1 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 29.9 inch trough will cross lake superior tonight. the trough 
moves over the ontario/quebec line monday night as a 30.4 inch high 
moves south from lake winnipeg. this high settles south over the 
upper mississippi river valley and plains through wednesday ahead of 
a 29.4 inch low moving into hudson bay by thursday morning. this low 
pulls a 29.6 inch trough through lake superior thursday night 
followed by ridging of at least 30.3 inches by friday night.



lsz264-020900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm est sun feb 1 2026

.rest of tonight...southwest winds 10 to 20 knots veering west by
midnight, then becoming northwest 15 to 25 knots late. snow
showers likely late in the evening, then a chance of snow showers
after midnight. waves 3 to 5 feet occasionally to 7 feet
subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.monday...north winds 15 to 25 knots backing northwest. a slight
chance of snow showers in the morning. heavy freezing spray.
waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet. 
.monday night...north winds 15 to 25 knots diminishing to 10 to
20 knots late. heavy freezing spray in the evening. a slight
chance of snow showers. waves subsiding to 2 to 4 feet. 
.tuesday...north winds 10 to 20 knots becoming northwest 5 to
15 knots in the afternoon. a slight chance of snow showers in the
morning. waves subsiding to calm to 2 feet. 
.tuesday night...northwest winds 5 to 15 knots backing west after
midnight. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots. waves calm to 2 feet.
.wednesday night...northwest winds 5 to 15 knots becoming
southwest 10 to 20 knots after midnight. waves building to 1 to
3 feet. 
.thursday...southwest winds 15 to 25 knots becoming north gales
to 35 knots. snow showers likely, then a chance of snow showers.
heavy freezing spray. waves building to 3 to 6 feet occasionally
to 8 feet. 
.friday...north gales to 35 knots diminishing to 15 to 25 knots.
heavy freezing spray. waves building to 7 to 10 feet occasionally
to 13 feet, then subsiding to 2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 020300
glfls 
expires:202602020900;;940853

open lake forecast for lake superior
national weather service marquette mi
1000 pm est sun feb 1 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 29.9 inch trough will cross lake superior tonight. the trough 
moves over the ontario/quebec line monday night as a 30.4 inch high 
moves south from lake winnipeg. this high settles south over the 
upper mississippi river valley and plains through wednesday ahead of 
a 29.4 inch low moving into hudson bay by thursday morning. this low 
pulls a 29.6 inch trough through lake superior thursday night 
followed by ridging of at least 30.3 inches by friday night.



lsz265-020900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm est sun feb 1 2026

.rest of tonight...southwest winds 15 to 25 knots diminishing to
10 to 20 knots by midnight, then becoming west 15 to 25 knots
late. a chance of snow showers. waves 1 to 3 feet subsiding to
calm to 2 feet. 
.monday...northwest winds 15 to 25 knots increasing to 20 to
30 knots. a slight chance of snow showers. waves building to 3 to
5 feet occasionally to 7 feet. 
.monday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots by midnight. a chance of snow showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.tuesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. a chance of snow showers. waves
subsiding to 1 to 3 feet. 
.tuesday night...northwest winds 10 to 20 knots backing west
after midnight. waves subsiding to calm to 2 feet. 
.wednesday...west winds 10 to 20 knots veering northwest in the
afternoon. waves calm to 2 feet. 
.wednesday night...northwest winds 10 to 20 knots backing west
after midnight. waves calm to 2 feet. 
.thursday...southwest winds 15 to 25 knots becoming northwest
gales to 35 knots. snow showers likely. waves building to 6 to
9 feet occasionally to 11 feet. 
.friday...north gales to 35 knots diminishing to 15 to 25 knots.
heavy freezing spray. waves building to 9 to 12 feet occasionally
to 15 feet, then subsiding to 3 to 5 feet occasionally to 7 feet.

note, wave height forecasts are for ice free areas.

$$
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