fzus61 kbuf 050904
glflo 
expires:202602051600;;117468

open lake forecast for lake ontario
national weather service buffalo ny
404 am est thu feb 5 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 high will settle into the lower ohio valley 
through the day today. a strong cold front will then cross the lower 
great lakes later friday and friday night, with a 30.5 inch high 
building into the central great lakes and ohio valley saturday. the 
high pressure will then build east over the lake sunday through 
monday.


loz063>065-051600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
404 am est thu feb 5 2026

.today...northwest winds 5 to 10 knots becoming light and
variable. a chance of snow showers this morning. waves 2 feet or
less. 
.tonight...south winds 5 to 10 knots. waves 2 feet or less. 
.friday...south winds 5 to 15 knots becoming southwest. a chance
of snow. waves 2 feet or less. 
.friday night...southwest winds 10 to 15 knots becoming northwest
and increasing to 30 knots overnight. snow. waves 1 to 3 feet
building to 8 to 12 feet. waves occasionally around 15 feet. 
.saturday...northwest winds to 30 knots diminishing to 15 to
25 knots. a chance of snow showers. waves 8 to 11 feet subsiding
to 3 to 5 feet. waves occasionally around 14 feet. 
.sunday...north winds 5 to 15 knots becoming west. waves 1 to
3 feet. 
.monday...west winds 5 to 10 knots becoming northeast. waves
2 feet or less. 

$$

fzus61 kbuf 050904
glflo 
expires:202602051600;;117467

open lake forecast for lake ontario
national weather service buffalo ny
404 am est thu feb 5 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 high will settle into the lower ohio valley 
through the day today. a strong cold front will then cross the lower 
great lakes later friday and friday night, with a 30.5 inch high 
building into the central great lakes and ohio valley saturday. the 
high pressure will then build east over the lake sunday through 
monday.


loz062-051600-
lake ontario open waters from the niagara river to hamlin beach-
404 am est thu feb 5 2026

.today...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tonight...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.friday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. snow. waves 1 to 3 feet. 
.friday night...west winds 15 to 25 knots becoming northwest to
30 knots. snow likely. waves 3 to 5 feet building to 8 to
11 feet. waves occasionally around 14 feet. 
.saturday...northwest winds to 30 knots becoming north 15 to
25 knots. a chance of snow showers. waves 8 to 11 feet subsiding
to 2 to 4 feet. waves occasionally around 14 feet. 
.sunday...northwest winds around 10 knots becoming west. waves
1 to 2 feet. 
.monday...west winds 5 to 10 knots. waves 1 to 2 feet. 

$$

fzus61 kcle 050806
glfle 
expires:202602051515;;115255

open lake forecast for lake erie
national weather service cleveland oh
306 am est thu feb 5 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
a ridge averaging 30.30 inches will persist over the region
through thursday night. a cold front tracks across lake erie
friday, followed by a second and stronger cold front friday
evening into friday night. high pressure 30.50 inches returns for
saturday night through sunday.



lez162>164-051515-
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-
306 am est thu feb 5 2026

.today...southwest winds 5 to 10 knots. a slight chance of snow
late. the lake is mostly ice covered.
.tonight...south winds 10 to 15 knots becoming southwest. a
slight chance of snow early, then a chance of snow. snow likely
late. 
.friday...southwest winds 10 to 15 knots becoming northwest and
increasing to 15 to 25 knots. snow.
.friday night...northwest winds to 30 knots. a chance of snow.
visibility one quarter mile or less at times overnight. 
.saturday...northwest winds 15 to 20 knots becoming southwest
5 to 15 knots. 
.sunday...south winds 5 to 10 knots. a chance of snow during the
day. 
.monday...south winds 5 to 10 knots. 

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 050806
glfle 
expires:202602051515;;115256

open lake forecast for lake erie
national weather service cleveland oh
306 am est thu feb 5 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
a ridge averaging 30.30 inches will persist over the region
through thursday night. a cold front tracks across lake erie
friday, followed by a second and stronger cold front friday
evening into friday night. high pressure 30.50 inches returns for
saturday night through sunday.



lez061-165>169-051515-
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-
306 am est thu feb 5 2026

.today...southwest winds 10 knots or less. the lake is mostly ice
covered.
.tonight...southwest winds 5 to 15 knots becoming south. a slight
chance of snow. snow likely late. 
.friday...southwest winds 10 to 15 knots becoming west and
increasing to 15 to 25 knots. snow.
.friday night...northwest gales to 35 knots diminishing to
30 knots. visibility one quarter mile or less at times. snow
likely. 
.saturday...northwest winds to 30 knots diminishing to 5 to
15 knots. 
.sunday...southwest winds 10 knots or less becoming south. a
chance of snow during the day. 
.monday...south winds 5 to 10 knots. 

waves omitted due to the lake being mostly ice covered.

$$

fzus63 kdtx 050840
glfsc 
expires:202602051645;;116678

lake st clair forecast
national weather service detroit/pontiac mi
340 am est thu feb 5 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...low pressure, 29.40 inches, reaches hudson bay
thursday night and drags an arctic front across the region
daytime friday. gale force winds and heavy freezing spray are
expected late friday through saturday morning as a result. high
pressure supports quieter conditions this weekend.


lcz460-051645-
lake st clair-
340 am est thu feb 5 2026

.today...southwest winds 5 to 10 knots becoming south 10 to 15 knots
late in the afternoon. mostly cloudy. a chance of light snow late in
the afternoon.
.tonight...southwest winds 10 to 15 knots. a chance of light snow in
the evening...then light snow likely after midnight. light snow
early in the morning.
.friday...southwest winds 10 to 15 knots veering to the northwest
early in the afternoon. light snow early in the morning...then
scattered light snow showers in the late morning and afternoon.
.friday night...northwest winds 20 to 25 knots with gusts to 30
knots diminishing to 15 to 20 knots after midnight. mostly cloudy
early in the evening becoming partly cloudy. a small craft advisory
may be needed.
.saturday...northwest winds 15 to 20 knots becoming west 5 to 10
knots. mostly clear.
.sunday...south winds 5 to 10 knots. mostly cloudy.
.monday...south winds 5 to 10 knots. mostly cloudy.

waves omitted due to ice coverage.

$$

fzus63 kdtx 050839
glflh 
expires:202602051645;;116640

open lake forecast for lake huron
national weather service detroit/pontiac mi
339 am est thu feb 5 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...low pressure, 29.40 inches, reaches hudson bay
thursday night and drags an arctic front across the region
daytime friday. gale force winds and heavy freezing spray are
expected late friday through saturday morning as a result. high
pressure supports quieter conditions this weekend.


lhz463-464-051645-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
339 am est thu feb 5 2026

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

.today...southwest winds around 10 knots becoming south around 15
knots in the afternoon. a chance of snow in the afternoon. waves 
2 feet or less. 
.tonight...south winds 10 to 15 knots. a chance of snow in the
evening...then snow after midnight. waves 1 to 3 feet. 
.friday...southwest winds 10 to 15 knots becoming northwest 15 to
20 knots with gusts to around 30 knots early in the afternoon.
snow in the morning...then scattered snow showers in the
afternoon. waves 2 feet or less building to 3 to 5 feet early in
the afternoon. 
.friday night...northwest at 35 knot gales becoming north 20 to
25 knots after midnight. gusts to 40 knot gales. scattered snow
showers. waves 8 to 12 feet. waves occasionally around 15 feet. a
gale warning may be needed. 
.saturday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 5 to 10 knots. waves 5 to 7 feet subsiding
to 2 to 4 feet late in the evening. waves occasionally around
10 feet. 
.sunday...southwest winds 5 to 10 knots backing to the south by
midnight. waves 2 feet or less. 
.monday...south winds 5 to 10 knots. waves 2 feet or less. 

wave heights are for ice free areas.

$$

fzus63 kdtx 050839
glflh 
expires:202602051645;;116638

open lake forecast for lake huron
national weather service detroit/pontiac mi
339 am est thu feb 5 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...low pressure, 29.40 inches, reaches hudson bay
thursday night and drags an arctic front across the region
daytime friday. gale force winds and heavy freezing spray are
expected late friday through saturday morning as a result. high
pressure supports quieter conditions this weekend.


lhz361-051645-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
339 am est thu feb 5 2026

...heavy freezing spray watch in effect from friday afternoon
through late friday night...

.today...south winds 10 to 15 knots. a chance of snow in the 
morning...then snow in the afternoon. waves 2 feet or less. 
.tonight...south winds 10 to 15 knots becoming southwest 5 to
10 knots after midnight. snow likely in the evening...then a
chance of snow after midnight. waves 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots becoming northwest 15 to
20 knots with gusts to around 30 knots in the late morning and
early afternoon...then increasing to 30 knots early in the
afternoon. scattered snow showers in the morning. waves 1 to
3 feet building to 5 to 7 feet in the late morning and afternoon.
waves occasionally around 10 feet. 
.friday night...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots with gusts to around
30 knots in the late evening and overnight. heavy freezing spray
in the evening. waves 5 to 7 feet subsiding to 2 to 4 feet after
midnight. waves occasionally around 10 feet. 
.saturday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon...then veering to the northwest
5 to 10 knots late in the evening. waves 1 to 3 feet. 
.sunday...southeast winds 5 to 10 knots veering to the south by
midnight. waves 2 feet or less. 
.monday...south winds 5 to 10 knots backing to the southeast
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 050839
glflh 
expires:202602051645;;116639

open lake forecast for lake huron
national weather service detroit/pontiac mi
339 am est thu feb 5 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...low pressure, 29.40 inches, reaches hudson bay
thursday night and drags an arctic front across the region
daytime friday. gale force winds and heavy freezing spray are
expected late friday through saturday morning as a result. high
pressure supports quieter conditions this weekend.


lhz362-363-462-051645-
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-
339 am est thu feb 5 2026

...gale watch in effect from friday afternoon through late friday
night...
...heavy freezing spray watch in effect from friday afternoon
through late friday night...

.today...southwest winds around 10 knots becoming south 15 to 20 
knots. a chance of snow in the morning...then snow likely in the 
afternoon. waves 1 to 3 feet building to 2 to 4 feet in the 
afternoon. 
.tonight...south winds 15 to 20 knots decreasing to 10 to
15 knots early in the morning. snow likely. waves 3 to 5 feet. 
.friday...southwest winds 10 to 15 knots veering to the west in
the late morning and early afternoon...then becoming northwest
20 to 25 knots with gusts to 35 knot gales early in the
afternoon. snow likely in the morning...then scattered snow
showers in the afternoon. freezing spray in the afternoon. waves
2 to 4 feet building to 8 to 12 feet. waves occasionally around
15 feet. 
.friday night...northwest at 35 knot gales becoming north 20 to
25 knots. heavy freezing spray. scattered snow showers after
midnight. waves 10 to 14 feet. waves occasionally around 18 feet.
a gale warning may be needed. 
.saturday...northwest winds 20 to 25 knots decreasing to 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the afternoon becoming west 5 to 10 knots late in the
evening. heavy freezing spray. waves 6 to 9 feet subsiding to
2 to 4 feet late in the evening. waves occasionally around
12 feet. 
.sunday...northeast winds 5 to 10 knots veering to the south
until early evening...then increasing to 10 to 15 knots by
midnight. waves 1 to 3 feet. 
.monday...south winds 10 to 15 knots becoming southeast 5 to
10 knots early in the evening...then increasing to 10 to 15 knots
by midnight. waves 2 to 4 feet. 

wave heights are for ice free areas.

$$

fzus63 kmkx 050852
glflm 
expires:202602051630;;116873

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
252 am cst thu feb 5 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 30.4 inches in indiana will continue to shift 
southeast early this morning ahead of an approaching shortwave. 
light southwest winds will gradually accelerate through the course
of this morning as the pressure gradient tightens. 

low pressure of 29.4 inches will head eastward through james 
bay tonight and continue eastward into quebec on friday, dragging
a cold front through the great lakes region. moderate westerly 
winds tonight will increase out of the northwest friday behind 
the front, gradually veering due north. a gale watch is in effect
for the open waters from mid-morning friday through the evening 
hours. additionally, a period of heavy freezing spray is looking 
likely from friday afternoon through friday night.


lmz261-362-364-366-563-565-567-868-051630-
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-
252 am cst thu feb 5 2026

sheboygan wi to pentwater mi north...

...gale watch in effect from friday morning through friday
evening...

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

$$

fzus63 kmkx 050852
glflm 
expires:202602051630;;116874

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
252 am cst thu feb 5 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 30.4 inches in indiana will continue to shift 
southeast early this morning ahead of an approaching shortwave. 
light southwest winds will gradually accelerate through the course
of this morning as the pressure gradient tightens. 

low pressure of 29.4 inches will head eastward through james 
bay tonight and continue eastward into quebec on friday, dragging
a cold front through the great lakes region. moderate westerly 
winds tonight will increase out of the northwest friday behind 
the front, gradually veering due north. a gale watch is in effect
for the open waters from mid-morning friday through the evening 
hours. additionally, a period of heavy freezing spray is looking 
likely from friday afternoon through friday night.


lmz080-669-671-673-675-777-779-870-872-874-876-878-051630-
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-
252 am cst thu feb 5 2026

sheboygan wi to pentwater mi south...

...gale watch in effect from friday morning through friday
evening...

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

$$

fzus63 kmqt 050901
glfls 
expires:202602052100;;117161

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 5 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...

29.6 inch low pressure moving into far northern ontario drags a 29.8 
inch trough over the lake through the early morning hours. the low 
moves east over hudson bay toward quebec this evening, deepening to 
29.3 inches tonight. as a result, the trough over lake superior 
deepens to 29.6 inches then presses east on friday, allowing a 30.5 
inch high to move over the lake by saturday. the high will shift 
east through sunday in advance of another weak trough moving into 
the great lakes early next week, but exact strength and timing of 
this feature remain uncertain.



lsz267-052100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am est thu feb 5 2026

.early this morning...south winds 15 to 25 knots. a chance of
snow showers. waves 1 to 3 feet building to 2 to 4 feet. 
.today...south winds 15 to 25 knots becoming southwest 10 to
20 knots by mid afternoon. snow showers likely. waves building to
3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet. 
.tonight...southwest winds 15 to 25 knots becoming west 10 to
20 knots by midnight, then becoming northwest 20 to 30 knots
late. a chance of snow showers. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday...north gales to 45 knots. heavy freezing spray. a chance
of snow showers. waves building to 12 to 17 feet occasionally to
21 feet. 
.friday night...north gales to 40 knots diminishing to 20 to
30 knots after midnight. heavy freezing spray. a chance of snow
showers. waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.saturday...north winds 15 to 25 knots diminishing to 5 to
15 knots in the afternoon. heavy freezing spray in the morning. a
chance of snow showers in the morning. waves subsiding to 1 to
3 feet. 
.saturday night...south winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.sunday...south winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.monday...southeast winds 15 to 25 knots. waves subsiding to calm
to 2 feet, then building to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 050901
glfls 
expires:202602052100;;117156

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 5 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...

29.6 inch low pressure moving into far northern ontario drags a 29.8 
inch trough over the lake through the early morning hours. the low 
moves east over hudson bay toward quebec this evening, deepening to 
29.3 inches tonight. as a result, the trough over lake superior 
deepens to 29.6 inches then presses east on friday, allowing a 30.5 
inch high to move over the lake by saturday. the high will shift 
east through sunday in advance of another weak trough moving into 
the great lakes early next week, but exact strength and timing of 
this feature remain uncertain.



lsz162-052100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est thu feb 5 2026 /300 am cst thu feb 5 2026/

.early this morning...southwest winds 15 to 25 knots. a chance of
snow showers. waves 1 to 3 feet building to 2 to 4 feet. 
.today...southwest winds 10 to 20 knots veering west. a slight
chance of snow showers in the morning. waves subsiding to 1 to
3 feet. 
.tonight...west winds 10 to 20 knots becoming northwest 15 to
25 knots late. a chance of rain showers in the evening. a chance
of snow showers. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.friday...north winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 1 to 3 feet. 
.friday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.saturday...south winds 5 to 15 knots backing southeast in the
afternoon. waves calm to 2 feet. 
.saturday night...southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots backing south. waves calm
to 2 feet. 
.monday...south winds 5 to 15 knots backing northeast. waves calm
to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 050901
glfls 
expires:202602052100;;117157

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 5 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...

29.6 inch low pressure moving into far northern ontario drags a 29.8 
inch trough over the lake through the early morning hours. the low 
moves east over hudson bay toward quebec this evening, deepening to 
29.3 inches tonight. as a result, the trough over lake superior 
deepens to 29.6 inches then presses east on friday, allowing a 30.5 
inch high to move over the lake by saturday. the high will shift 
east through sunday in advance of another weak trough moving into 
the great lakes early next week, but exact strength and timing of 
this feature remain uncertain.



lsz263-052100-
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 5 2026

.early this morning...southwest winds 10 to 20 knots. snow
showers likely. waves 2 to 4 feet. 
.today...southwest winds 15 to 25 knots becoming west 10 to
20 knots. a slight chance of freezing drizzle in the morning. a
chance of snow showers. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.tonight...west winds 10 to 20 knots becoming northwest 20 to
30 knots late. a chance of snow showers. waves subsiding to 1 to
3 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.friday...north winds to 30 knots with a few gale force gusts to
40 knots possible diminishing to 20 to 30 knots by mid afternoon.
heavy freezing spray. waves building to 7 to 10 feet occasionally
to 13 feet, then subsiding to 3 to 6 feet occasionally to 8 feet.
.friday night...north winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 1 to 3 feet. 
.saturday...north winds 5 to 15 knots veering southeast in the
afternoon. waves subsiding to calm to 2 feet. 
.saturday night...south winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...southwest winds 5 to 15 knots backing south. waves calm
to 2 feet. 
.monday...south winds 5 to 15 knots backing northeast. waves
building to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 050901
glfls 
expires:202602052100;;117158

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 5 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...

29.6 inch low pressure moving into far northern ontario drags a 29.8 
inch trough over the lake through the early morning hours. the low 
moves east over hudson bay toward quebec this evening, deepening to 
29.3 inches tonight. as a result, the trough over lake superior 
deepens to 29.6 inches then presses east on friday, allowing a 30.5 
inch high to move over the lake by saturday. the high will shift 
east through sunday in advance of another weak trough moving into 
the great lakes early next week, but exact strength and timing of 
this feature remain uncertain.



lsz264-052100-
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 5 2026

.early this morning...southwest winds 10 to 20 knots. snow
showers. waves 2 to 4 feet. 
.today...southwest winds 10 to 20 knots veering west. a chance of
snow showers. waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to 2 to 4 feet. 
.tonight...west winds 10 to 20 knots becoming north to 30 knots
with a few gale force gusts to 40 knots possible late. a chance
of snow showers. heavy freezing spray after midnight. waves
building to 5 to 8 feet occasionally to 10 feet. 
.friday...north gales to 45 knots. heavy freezing spray. a slight
chance of snow showers. waves building to 11 to 15 feet
occasionally to 19 feet, then subsiding to 9 to 12 feet
occasionally to 15 feet. 
.friday night...north gales to 35 knots diminishing to 20 to
30 knots after midnight. heavy freezing spray. a slight chance of
snow showers. waves subsiding to 3 to 5 feet occasionally to
7 feet. 
.saturday...north winds 10 to 20 knots becoming south 5 to
15 knots in the afternoon. waves subsiding to calm to 2 feet. 
.saturday night...south winds 5 to 15 knots. waves building to
1 to 3 feet. 
.sunday...southwest winds 5 to 15 knots backing south. waves
subsiding to calm to 2 feet. 
.monday...southeast winds 5 to 15 knots backing east. waves
building to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 050901
glfls 
expires:202602052100;;117159

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 5 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...

29.6 inch low pressure moving into far northern ontario drags a 29.8 
inch trough over the lake through the early morning hours. the low 
moves east over hudson bay toward quebec this evening, deepening to 
29.3 inches tonight. as a result, the trough over lake superior 
deepens to 29.6 inches then presses east on friday, allowing a 30.5 
inch high to move over the lake by saturday. the high will shift 
east through sunday in advance of another weak trough moving into 
the great lakes early next week, but exact strength and timing of 
this feature remain uncertain.



lsz265-052100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am est thu feb 5 2026

.early this morning...south winds 10 to 20 knots. snow showers.
waves calm to 2 feet. 
.today...south winds 10 to 20 knots veering west. snow showers
likely in the morning, then a chance of snow showers in the
afternoon. waves calm to 2 feet. 
.tonight...west winds 10 to 20 knots increasing to 15 to 25 knots
by midnight, then becoming northwest to 30 knots with a few gale
force gusts to 35 knots possible late. a chance of snow showers.
waves building to 2 to 4 feet. 
.friday...north gales to 45 knots. a slight chance of snow
showers. waves building to 10 to 14 feet occasionally to 18 feet,
then subsiding to 9 to 12 feet occasionally to 15 feet. 
.friday night...north gales to 35 knots becoming northwest 20 to
30 knots after midnight. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...northwest winds 10 to 20 knots backing south in the
afternoon. waves subsiding to calm to 2 feet. 
.saturday night...south winds 10 to 20 knots. waves calm to
2 feet. 
.sunday...south winds 10 to 20 knots. waves calm to 2 feet. 
.monday...southeast winds 10 to 20 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 050901
glfls 
expires:202602052100;;117160

open lake forecast for lake superior
national weather service marquette mi
400 am est thu feb 5 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...

29.6 inch low pressure moving into far northern ontario drags a 29.8 
inch trough over the lake through the early morning hours. the low 
moves east over hudson bay toward quebec this evening, deepening to 
29.3 inches tonight. as a result, the trough over lake superior 
deepens to 29.6 inches then presses east on friday, allowing a 30.5 
inch high to move over the lake by saturday. the high will shift 
east through sunday in advance of another weak trough moving into 
the great lakes early next week, but exact strength and timing of 
this feature remain uncertain.



lsz266-052100-
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 5 2026

.early this morning...south winds 15 to 25 knots. snow showers
likely. waves 1 to 3 feet building to 2 to 4 feet. 
.today...south winds 15 to 25 knots becoming southwest 10 to
20 knots by late morning, then veering west by mid afternoon.
snow showers in the morning, then a chance of snow showers in the
afternoon. waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 2 to 4 feet. 
.tonight...west winds 10 to 20 knots becoming northwest 15 to
25 knots by midnight, then increasing to 30 knots with a few gale
force gusts to 35 knots possible late. a chance of snow showers.
waves building to 5 to 8 feet occasionally to 10 feet. 
.friday...north gales to 45 knots. heavy freezing spray. a chance
of snow showers. waves building to 15 to 20 feet occasionally to
25 feet. 
.friday night...north gales to 40 knots diminishing to 20 to
30 knots after midnight. heavy freezing spray. snow showers
likely in the evening. a chance of snow showers after midnight.
waves subsiding to 6 to 9 feet occasionally to 11 feet. 
.saturday...north winds 15 to 25 knots becoming northwest 10 to
20 knots in the afternoon. heavy freezing spray in the morning. a
chance of snow showers. waves subsiding to 1 to 3 feet. 
.saturday night...south winds 10 to 20 knots increasing to 15 to
25 knots after midnight. a chance of snow showers. waves
subsiding to calm to 2 feet, then building to 2 to 4 feet. 
.sunday...south winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.monday...south winds 10 to 20 knots becoming southeast 15 to
25 knots. waves 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$