fzus63 kdtx 222053
glflh 
expires:202601230500;;346662

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm est thu jan 22 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...an arctic airmass expands across the great lakes
through friday, bringing elevated winds/waves, freezing spray,
and additional periods of snowfall including snow squalls. high
pressure, 30.80 inches, expands across the great lakes late
friday into saturday, which will quickly reduce wind speeds and
gusts through the end of the week.


lhz363-462-230500-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
353 pm est thu jan 22 2026

...gale warning in effect through late tonight...
...heavy freezing spray warning in effect through late friday
night...

.tonight...west winds 20 to 25 knots increasing to 30 knots late
in the evening...then decreasing to 20 to 25 knots after
midnight. gusts to 35 knot gales. a chance of snow showers. waves
8 to 12 feet. waves occasionally around 15 feet. 
.friday...west winds 20 to 25 knots. gusts to 30 knots until late
afternoon. waves 8 to 12 feet. waves occasionally around 15 feet.
.friday night...west winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.saturday...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet early in the afternoon. 
.saturday night...southwest winds 5 to 10 knots backing to the
south in the late evening and overnight. waves 1 to 3 feet. 
.sunday...east winds 10 to 15 knots backing to the northeast late
in the afternoon. a chance of snow. waves 2 to 4 feet building to
3 to 5 feet. 
.monday...north winds 15 to 20 knots backing to the west . waves
4 to 6 feet. 
.tuesday...west winds 15 to 20 knots. waves 4 to 6 feet. waves
occasionally around 8 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 222053
glflh 
expires:202601230500;;346661

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm est thu jan 22 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...an arctic airmass expands across the great lakes
through friday, bringing elevated winds/waves, freezing spray,
and additional periods of snowfall including snow squalls. high
pressure, 30.80 inches, expands across the great lakes late
friday into saturday, which will quickly reduce wind speeds and
gusts through the end of the week.


lhz361-362-230500-
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-
353 pm est thu jan 22 2026

...heavy freezing spray warning in effect through late friday
night...

.tonight...west winds 20 to 25 knots increasing to 30 knots early
in the morning. a chance of snow showers. waves 8 to 12 feet.
waves occasionally around 15 feet. 
.friday...northwest winds 20 to 25 knots. gusts to 30 knots in
the morning. a chance of snow showers. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.friday night...west winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.saturday...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet early in the afternoon. 
.saturday night...southwest winds 5 to 10 knots backing to the
south in the late evening and overnight. waves 2 feet or less. 
.sunday...east winds 5 to 10 knots becoming northeast 10 to
15 knots. a chance of snow late in the morning. waves 3 to
5 feet. 
.monday...north winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and early afternoon...then backing to the
northwest early in the evening backing to the west by midnight.
waves 4 to 6 feet. waves occasionally around 8 feet. 
.tuesday...west winds 15 to 20 knots. waves 4 to 6 feet. 


$$

fzus63 kmkx 222032
glflm 
expires:202601230415;;345866

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
232 pm cst thu jan 22 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...

low pressure around 29.6 inches will track across central quebec
through friday, while an arctic front follows across lake michigan  
tonight. west to northwest gales will prevail this afternoon
through friday morning with this surge of arctic air. gale
warnings are in effect through friday morning for all of lake
michigan. a heavy freezing spray warning is also in effect through
early saturday morning for the entire lake. 

arctic high pressure around 30.8 inches will expand across the 
great lakes friday night through saturday night. this will allow 
for gradually weakening winds over lake michigan friday night and
remaining relatively light through the weekend.


lmz080-567-669-671-673-675-777-779-868-870-872-874-876-878-230415-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from two rivers to sheboygan wi 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 pentwater to manistee mi 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-
232 pm cst thu jan 22 2026

two rivers wi to manistee mi south...

...heavy freezing spray warning in effect through late friday
night...
...gale warning in effect through friday morning...

.tonight...west gales to 35 kt becoming northwest. heavy freezing
spray. chance of snow this evening, then snow likely overnight.
waves 12 to 16 ft occasionally to 21 ft. 
.friday...northwest gales to 35 kt diminishing to 15 to 25 kt.
heavy freezing spray. chance of snow. waves 10 to 14 ft
occasionally to 18 ft subsiding to 6 to 9 ft occasionally to
12 ft. 
.friday night...northwest winds 10 to 20 kt becoming north 10 to
15 kt. heavy freezing spray in the evening. chance of snow. waves
5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft. 
.saturday...north winds 10 to 15 kt veering to east. chance of
snow. waves 2 to 4 ft. 
.saturday night...east winds 10 to 15 kt increasing to 10 to
20 kt. chance of snow. waves 2 to 4 ft. 
.sunday...northeast winds 10 to 20 kt. chance of snow. waves 3 to
5 ft. 
.sunday night...north winds 15 to 25 kt. freezing spray. chance
of snow. waves 4 to 7 ft occasionally to 9 ft. 
.monday...northwest winds 15 to 25 kt becoming west. freezing
spray. waves 4 to 7 ft occasionally to 9 ft. 
.tuesday...west winds to 30 kt diminishing to 15 to 25 kt.
freezing spray. waves 6 to 9 ft occasionally to 12 ft.  

$$

fzus63 kmkx 222032
glflm 
expires:202601230415;;345865

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
232 pm cst thu jan 22 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...

low pressure around 29.6 inches will track across central quebec
through friday, while an arctic front follows across lake michigan  
tonight. west to northwest gales will prevail this afternoon
through friday morning with this surge of arctic air. gale
warnings are in effect through friday morning for all of lake
michigan. a heavy freezing spray warning is also in effect through
early saturday morning for the entire lake. 

arctic high pressure around 30.8 inches will expand across the 
great lakes friday night through saturday night. this will allow 
for gradually weakening winds over lake michigan friday night and
remaining relatively light through the weekend.


lmz261-362-364-366-563-565-230415-
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-
232 pm cst thu jan 22 2026

two rivers wi to manistee mi north...

...heavy freezing spray warning in effect through late friday
night...
...gale warning in effect from 9 pm cst this evening through
friday morning...

.tonight...west gales to 35 kt becoming northwest. chance of
snow. visibility one quarter mile or less at times overnight.
waves 8 to 12 ft occasionally to 16 ft. 
.friday...northwest gales to 35 kt diminishing to 30 kt. heavy
freezing spray. chance of snow in the morning, then slight chance
of snow in the afternoon. waves 8 to 11 ft occasionally to 14 ft
subsiding to 4 to 7 ft occasionally to 9 ft. 
.friday night...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.saturday...west winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday night...southwest winds 5 to 10 kt becoming southeast.
waves 1 to 3 ft. 
.sunday...east winds 10 to 15 kt becoming northeast 10 to 20 kt.
waves 1 to 3 ft. 
.sunday night...north winds 10 to 20 kt. waves 2 to 4 ft. 
.monday...northwest winds 10 to 20 kt becoming west. waves 3 to
5 ft building to 4 to 6 ft occasionally to 8 ft. 
.tuesday...west winds 15 to 25 kt. waves 4 to 6 ft occasionally
to 8 ft subsiding to 3 to 5 ft.  

$$

fzus63 kmqt 222101
glfls 
expires:202601230900;;346935

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 22 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...

ridging will increase to 30.3 inches across lake superior tonight as 
a 29.6 low departs into northern quebec. high pressure will 
gradually increase to 30.6 inches over the lake through saturday as 
a 31.1 inch high currently over the canadian prairies slides 
southeast to the upper mississippi river valley at 30.9 inches. 
remnant ridging of at least 30.3 inches remains over lake superior 
through sunday as high pressure gradually weakens. a 29.8 inch 
trough will cross the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz265-230900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est thu jan 22 2026

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

.late this afternoon...northwest gales to 35 knots. heavy
freezing spray. snow. waves 4 to 8 feet occasionally to 10 feet. 
.tonight...northwest gales to 35 knots. heavy freezing spray.
snow likely. waves building to 6 to 10 feet occasionally to
13 feet. 
.friday...northwest gales to 40 knots. heavy freezing spray. snow
likely. waves subsiding to 4 to 7 feet occasionally to 9 feet. 
.friday night...northwest gales to 35 knots diminishing to 20 to
30 knots by midnight, then becoming west 15 to 25 knots late.
heavy freezing spray in the evening. a chance of snow in the
evening. waves subsiding to 1 to 3 feet. 
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. waves subsiding to calm to 2 feet. 
.saturday night...southwest winds 10 to 20 knots veering west
after midnight. waves calm to 2 feet. 
.sunday...west winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. waves calm to 2 feet. 
.sunday night...west winds 15 to 25 knots. waves building to 2 to
4 feet. 
.monday...west winds 20 to 30 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.tuesday...west winds 20 to 30 knots veering northwest. 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 222101
glfls 
expires:202601230900;;346936

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 22 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...

ridging will increase to 30.3 inches across lake superior tonight as 
a 29.6 low departs into northern quebec. high pressure will 
gradually increase to 30.6 inches over the lake through saturday as 
a 31.1 inch high currently over the canadian prairies slides 
southeast to the upper mississippi river valley at 30.9 inches. 
remnant ridging of at least 30.3 inches remains over lake superior 
through sunday as high pressure gradually weakens. a 29.8 inch 
trough will cross the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz266-230900-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 pm est thu jan 22 2026

...gale warning in effect through friday afternoon...
...heavy freezing spray warning in effect through saturday
morning...

.late this afternoon...northwest gales to 35 knots. heavy
freezing spray. snow. waves 8 to 11 feet occasionally to 14 feet.
.tonight...northwest gales to 35 knots. heavy freezing spray.
snow. waves building to 10 to 14 feet occasionally to 18 feet,
then subsiding to 9 to 12 feet occasionally to 15 feet. 
.friday...northwest gales to 40 knots. heavy freezing spray.
snow. waves subsiding to 7 to 10 feet occasionally to 13 feet. 
.friday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots late. heavy freezing spray. a chance of snow.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...west winds 10 to 20 knots. a chance of snow. waves
subsiding to 1 to 3 feet. 
.saturday night...southwest winds 10 to 20 knots. waves 1 to
3 feet. 
.sunday...west winds 10 to 20 knots. a chance of snow. waves
building to 2 to 4 feet. 
.sunday night...northwest winds 15 to 25 knots. a chance of snow.
waves building to 3 to 5 feet occasionally to 7 feet. 
.monday...west winds 20 to 30 knots. heavy freezing spray. a
chance of snow. waves building to 5 to 8 feet occasionally to
10 feet. 
.tuesday...northwest winds 20 to 30 knots. heavy freezing spray.
a chance of snow. waves subsiding to 4 to 7 feet occasionally to
9 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 222101
glfls 
expires:202601230900;;346937

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 22 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...

ridging will increase to 30.3 inches across lake superior tonight as 
a 29.6 low departs into northern quebec. high pressure will 
gradually increase to 30.6 inches over the lake through saturday as 
a 31.1 inch high currently over the canadian prairies slides 
southeast to the upper mississippi river valley at 30.9 inches. 
remnant ridging of at least 30.3 inches remains over lake superior 
through sunday as high pressure gradually weakens. a 29.8 inch 
trough will cross the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz267-230900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est thu jan 22 2026

...gale warning in effect through friday afternoon...
...heavy freezing spray warning in effect through saturday
morning...

.late this afternoon...northwest gales to 35 knots. heavy
freezing spray. snow. waves 8 to 11 feet occasionally to 14 feet.
.tonight...northwest gales to 35 knots becoming north 20 to
30 knots late. heavy freezing spray. snow. waves building to
10 to 14 feet occasionally to 18 feet, then subsiding to 9 to
12 feet occasionally to 15 feet. 
.friday...north winds 20 to 30 knots backing northwest. heavy
freezing spray. snow. waves subsiding to 7 to 10 feet
occasionally to 13 feet. 
.friday night...northwest winds 20 to 30 knots diminishing to
10 to 20 knots. heavy freezing spray. snow likely in the evening.
a slight chance of snow after midnight. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.saturday...northwest winds 10 to 20 knots backing west in the
afternoon. a chance of snow. waves subsiding to 1 to 3 feet. 
.saturday night...southwest winds 10 to 20 knots. waves 1 to
3 feet. 
.sunday...south winds 10 to 20 knots veering west in the
afternoon. waves building to 2 to 4 feet. 
.sunday night...northwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. a chance of snow. waves building
to 3 to 5 feet occasionally to 7 feet. 
.monday...west winds 15 to 25 knots increasing to 20 to 30 knots.
heavy freezing spray. a chance of snow. waves building to 5 to
8 feet occasionally to 10 feet. 
.tuesday...west winds 20 to 30 knots becoming northwest 15 to
25 knots. freezing spray. a chance of snow. waves subsiding to
4 to 7 feet occasionally to 9 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 222101
glfls 
expires:202601230900;;346932

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 22 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...

ridging will increase to 30.3 inches across lake superior tonight as 
a 29.6 low departs into northern quebec. high pressure will 
gradually increase to 30.6 inches over the lake through saturday as 
a 31.1 inch high currently over the canadian prairies slides 
southeast to the upper mississippi river valley at 30.9 inches. 
remnant ridging of at least 30.3 inches remains over lake superior 
through sunday as high pressure gradually weakens. a 29.8 inch 
trough will cross the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz162-230900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est thu jan 22 2026 /300 pm cst thu jan 22 2026/

...heavy freezing spray warning in effect through friday
afternoon...

.late this afternoon...northwest winds to 30 knots with a few
gale force gusts to 35 knots possible. heavy freezing spray. a
slight chance of snow. waves 6 to 9 feet occasionally to 11 feet
building to 7 to 10 feet occasionally to 13 feet. 
.tonight...northwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 20 to 30 knots by
midnight. heavy freezing spray. a chance of snow. waves subsiding
to 4 to 7 feet occasionally to 9 feet. 
.friday...northwest winds 15 to 25 knots. a chance of snow. waves
subsiding to 2 to 4 feet. 
.friday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots late. a slight chance of snow in the evening. waves
subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...northwest winds 10 to 20 knots. waves calm to
2 feet. 
.monday...west winds 15 to 25 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.tuesday...northwest winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 222101
glfls 
expires:202601230900;;346933

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 22 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...

ridging will increase to 30.3 inches across lake superior tonight as 
a 29.6 low departs into northern quebec. high pressure will 
gradually increase to 30.6 inches over the lake through saturday as 
a 31.1 inch high currently over the canadian prairies slides 
southeast to the upper mississippi river valley at 30.9 inches. 
remnant ridging of at least 30.3 inches remains over lake superior 
through sunday as high pressure gradually weakens. a 29.8 inch 
trough will cross the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz263-230900-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 pm est thu jan 22 2026

...heavy freezing spray warning in effect through friday
evening...

.late this afternoon...northwest winds 20 to 30 knots. heavy
freezing spray. snow likely. waves 8 to 11 feet occasionally to
14 feet building to 9 to 12 feet occasionally to 15 feet. 
.tonight...northwest winds 20 to 30 knots. heavy freezing spray.
snow likely. waves subsiding to 6 to 9 feet occasionally to
11 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray. snow likely. waves subsiding to
3 to 6 feet occasionally to 8 feet. 
.friday night...northwest winds 15 to 25 knots diminishing to
5 to 15 knots. a chance of snow in the evening. waves subsiding
to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.saturday night...southwest winds 5 to 15 knots veering west
after midnight. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 1 to 3 feet. 
.monday...west winds 20 to 30 knots. heavy freezing spray. waves
building to 3 to 6 feet occasionally to 8 feet. 
.tuesday...northwest winds 15 to 25 knots. waves subsiding to
2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 222101
glfls 
expires:202601230900;;346934

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 22 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...

ridging will increase to 30.3 inches across lake superior tonight as 
a 29.6 low departs into northern quebec. high pressure will 
gradually increase to 30.6 inches over the lake through saturday as 
a 31.1 inch high currently over the canadian prairies slides 
southeast to the upper mississippi river valley at 30.9 inches. 
remnant ridging of at least 30.3 inches remains over lake superior 
through sunday as high pressure gradually weakens. a 29.8 inch 
trough will cross the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz264-230900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est thu jan 22 2026

...heavy freezing spray warning in effect through late friday
night...

.late this afternoon...northwest winds 20 to 30 knots. heavy
freezing spray. snow likely. waves 7 to 11 feet occasionally to
13 feet. 
.tonight...northwest winds 20 to 30 knots. heavy freezing spray.
snow likely. waves subsiding to 7 to 10 feet occasionally to
13 feet, then building to 8 to 11 feet occasionally to 14 feet. 
.friday...northwest winds to 30 knots with a few gale force gusts
to 35 knots possible diminishing to 20 to 30 knots. heavy
freezing spray. snow likely. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.friday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots late. heavy freezing spray in the evening. a
chance of snow in the evening. waves subsiding to 2 to 4 feet. 
.saturday...northwest winds 5 to 15 knots backing west in the
afternoon. waves subsiding to calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday...northwest winds 5 to 15 knots. waves building to 1 to
3 feet. 
.sunday night...northwest winds 10 to 20 knots. waves building to
2 to 4 feet. 
.monday...west winds 20 to 30 knots veering northwest. 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. 
.tuesday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to 3 to 5 feet occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$