fzus63 kdtx 270834
glflh 
expires:202601271645;;613380

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 am est tue jan 27 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 front, averaging 29.80 inches, will track
through the central great lakes tomorrow. southwest winds gust
around 30 knots ahead of the front tonight, before shifting
westerly tomorrow. another cold blast and front is on track to
move through by thursday morning, but winds to close out of the
work week look to be


lhz361-271645-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
334 am est tue jan 27 2026

.today...west winds 10 to 15 knots increasing to 20 to 25 knots.
a chance of snow showers. waves 4 to 6 feet building to 5 to
7 feet late in the afternoon. waves occasionally around 10 feet. 
.tonight...west winds 20 to 25 knots decreasing to 15 to 20 knots
after midnight. waves 5 to 7 feet. waves occasionally around
10 feet. 
.wednesday...west winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon. 
.wednesday night...northwest winds 10 to 15 knots. waves 2 to
4 feet. 
.thursday...north winds 10 to 15 knots. waves 2 to 4 feet. 
.friday...north winds 10 to 15 knots. waves 2 to 4 feet. 
.saturday...north winds 10 to 15 knots decreasing to 5 to
10 knots . waves 1 to 3 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 270834
glflh 
expires:202601271645;;613381

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 am est tue jan 27 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 front, averaging 29.80 inches, will track
through the central great lakes tomorrow. southwest winds gust
around 30 knots ahead of the front tonight, before shifting
westerly tomorrow. another cold blast and front is on track to
move through by thursday morning, but winds to close out of the
work week look to be


lhz362-363-271645-
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-
334 am est tue jan 27 2026

.today...southwest winds 15 to 20 knots veering to the west early
in the afternoon...then increasing to 20 to 25 knots late in the
afternoon. waves 6 to 9 feet. waves occasionally around 12 feet. 
.tonight...west winds 20 to 25 knots decreasing to 15 to 20 knots
after midnight. waves 6 to 9 feet. waves occasionally around
12 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots early in the afternoon. waves 3 to 5 feet. 
.wednesday night...west winds 15 to 20 knots. waves 3 to 5 feet. 
.thursday...north winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.friday...northwest winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.saturday...north winds 15 to 20 knots decreasing to 10 to
15 knots. waves 3 to 5 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 270834
glflh 
expires:202601271645;;613382

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 am est tue jan 27 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 front, averaging 29.80 inches, will track
through the central great lakes tomorrow. southwest winds gust
around 30 knots ahead of the front tonight, before shifting
westerly tomorrow. another cold blast and front is on track to
move through by thursday morning, but winds to close out of the
work week look to be


lhz462>464-271645-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
334 am est tue jan 27 2026

.today...southwest winds 15 to 20 knots veering to the west late
in the afternoon. snow showers likely in the morning...then a
chance of snow showers in the afternoon. waves 4 to 6 feet. 
.tonight...west winds 15 to 20 knots. waves 4 to 6 feet. 
.wednesday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. waves 3 to 5 feet subsiding to
2 to 4 feet early in the afternoon. waves occasionally around
8 feet. 
.wednesday night...west winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. waves 3 to 5 feet
building to 4 to 6 feet after midnight. waves occasionally around
8 feet. 
.thursday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots. waves 4 to 6 feet. waves occasionally around 8 feet. 
.friday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots by midnight. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.saturday...north winds 10 to 15 knots. waves 3 to 5 feet. 

wave heights are for ice free areas.

$$

fzus63 kmkx 270916
glflm 
expires:202601271630;;616113

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
316 am cst tue jan 27 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...

elevated waves and cold temperatures will support moderate to 
heavy freezing spray through tuesday afternoon. a heavy freezing 
spray warning is in effect until 6 pm cst today. 

a 29.6 inch trough of low pressure is crossing lake superior this
morning heading toward quebec. winds are turning to northwesterly
this morning as a cold front passes over lake michigan. southwest
to west winds are out ahead of the front for the southern half of
the lake. an occasional gale force gust will be possible through 
4 am for southern half. 

diminishing winds will trend west-northwesterly this afternoon and
night as 30.4 inch high pressure builds into the northern great 
plains. winds will gradually taper wednesday through thursday as 
said area of high pressure moves into the upper mississippi river 
valley. strong high pressure around 30.9 inches will set up over 
the northern plains on friday and expand across the upper great 
lakes at 30.7 inches over the weekend.


lmz080-669-671-673-675-777-779-870-872-874-876-878-271630-
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-
316 am cst tue jan 27 2026

sheboygan wi to pentwater mi south...

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

.today...west winds to 30 kt becoming northwest. heavy freezing
spray. chance of flurries and light freezing rain this morning,
then chance of snow and slight chance of light freezing rain this
afternoon. waves 8 to 12 ft occasionally to 16 ft subsiding to
8 to 11 ft occasionally to 14 ft. 
.tonight...northwest winds 15 to 25 kt becoming west 10 to 20 kt.
freezing spray. chance of snow and slight chance of light
freezing rain in the evening, then slight chance of light
freezing rain overnight. waves 6 to 9 ft occasionally to 12 ft
subsiding to 4 to 7 ft occasionally to 9 ft. 
.wednesday...west winds 15 to 25 kt becoming northwest. heavy
freezing spray. waves 4 to 7 ft occasionally to 9 ft. 
.wednesday night...northwest winds 15 to 25 kt diminishing to
10 to 20 kt. freezing spray. waves 4 to 7 ft occasionally to
9 ft. 
.thursday...northwest winds 10 to 20 kt. freezing spray in the
morning. waves 4 to 6 ft occasionally to 8 ft. 
.thursday night...north winds 10 to 20 kt becoming northeast
15 to 25 kt. heavy freezing spray. chance of snow. waves 4 to
6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to
10 ft. 
.friday...north winds 15 to 25 kt. freezing spray. chance of
snow. waves 5 to 8 ft occasionally to 10 ft. 
.saturday...north winds 15 to 25 kt diminishing to 10 to 20 kt.
freezing spray. waves 6 to 9 ft occasionally to 12 ft subsiding
to 4 to 7 ft occasionally to 9 ft.  

$$

fzus63 kmkx 270916
glflm 
expires:202601271630;;616112

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
316 am cst tue jan 27 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...

elevated waves and cold temperatures will support moderate to 
heavy freezing spray through tuesday afternoon. a heavy freezing 
spray warning is in effect until 6 pm cst today. 

a 29.6 inch trough of low pressure is crossing lake superior this
morning heading toward quebec. winds are turning to northwesterly
this morning as a cold front passes over lake michigan. southwest
to west winds are out ahead of the front for the southern half of
the lake. an occasional gale force gust will be possible through 
4 am for southern half. 

diminishing winds will trend west-northwesterly this afternoon and
night as 30.4 inch high pressure builds into the northern great 
plains. winds will gradually taper wednesday through thursday as 
said area of high pressure moves into the upper mississippi river 
valley. strong high pressure around 30.9 inches will set up over 
the northern plains on friday and expand across the upper great 
lakes at 30.7 inches over the weekend.


lmz261-362-364-366-563-565-567-868-271630-
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-
316 am cst tue jan 27 2026

sheboygan wi to pentwater mi north...

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

.today...northwest winds to 30 kt. heavy freezing spray. chance
of flurries and light freezing rain this morning, then slight
chance of light freezing rain and snow this afternoon. waves 7 to
10 ft occasionally to 13 ft subsiding to 6 to 9 ft occasionally
to 12 ft. 
.tonight...northwest winds 15 to 25 kt becoming west 10 to 20 kt.
heavy freezing spray in the evening. slight chance of light
freezing rain. waves 4 to 7 ft occasionally to 9 ft subsiding to
4 to 6 ft occasionally to 8 ft. 
.wednesday...west winds 10 to 20 kt becoming northwest. waves
4 to 6 ft occasionally to 8 ft. 
.wednesday night...northwest winds 15 to 25 kt diminishing to
10 to 20 kt. waves 4 to 6 ft occasionally to 8 ft. 
.thursday...north winds 10 to 20 kt. waves 4 to 6 ft occasionally
to 8 ft. 
.thursday night...north winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft. 
.friday...north winds 15 to 25 kt. waves 4 to 7 ft occasionally
to 9 ft. 
.saturday...north winds 10 to 20 kt. waves 4 to 7 ft occasionally
to 9 ft subsiding to 3 to 5 ft.  

$$

fzus63 kmqt 270901
glfls 
expires:202601272100;;614276

open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 27 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 29.6 inch shortwave low over eastern lake superior this morning 
lifts away towards the st. lawrence seaway by this afternoon as it 
weakens to 29.8 inches. afterwards, a much weaker low grazes the 
northeast portion of the lake at 30.0 inches tonight into wednesday. 
remnant troughing gradually weakens over the lake thursday through 
friday before strong high pressure around 31.0 inches descending 
from the canadian prairies brings ridging of around 30.6 inches back 
over lake superior on saturday.



lsz264-272100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am est tue jan 27 2026

...heavy freezing spray warning in effect through wednesday
morning...

.early this morning...northwest winds 15 to 25 knots. heavy
freezing spray. a chance of snow showers. waves 5 to 8 feet
occasionally to 10 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. 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. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots late. heavy freezing spray. a chance of snow showers.
waves building to 5 to 8 feet occasionally to 10 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest winds 10 to 20 knots veering north by late
morning, then increasing to 15 to 25 knots by mid afternoon. a
chance of snow showers. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.wednesday night...north winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. a chance of snow showers. waves
subsiding to 2 to 4 feet. 
.thursday...north winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. a chance of snow showers. waves
building to 3 to 5 feet occasionally to 7 feet. 
.thursday night...north winds 15 to 25 knots. heavy freezing
spray. waves building to 3 to 6 feet occasionally to 8 feet. 
.friday...north winds 15 to 25 knots. waves subsiding to 2 to
4 feet. 
.saturday...west winds 5 to 15 knots backing southwest. 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 270901
glfls 
expires:202601272100;;614277

open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 27 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 29.6 inch shortwave low over eastern lake superior this morning 
lifts away towards the st. lawrence seaway by this afternoon as it 
weakens to 29.8 inches. afterwards, a much weaker low grazes the 
northeast portion of the lake at 30.0 inches tonight into wednesday. 
remnant troughing gradually weakens over the lake thursday through 
friday before strong high pressure around 31.0 inches descending 
from the canadian prairies brings ridging of around 30.6 inches back 
over lake superior on saturday.



lsz265-272100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am est tue jan 27 2026

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

.early this morning...northwest winds 20 to 30 knots. a chance of
snow showers. waves 2 to 4 feet. 
.today...northwest winds to 30 knots with a few gale force gusts
to 35 knots possible diminishing to 20 to 30 knots by mid
afternoon. a chance of snow showers. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. a chance of snow showers. waves subsiding to 2 to
4 feet. 
.wednesday...northwest winds 15 to 25 knots increasing to 20 to
30 knots. a chance of snow showers. waves 2 to 4 feet. 
.wednesday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. a chance of snow showers. waves
2 to 4 feet. 
.thursday...north winds 15 to 25 knots. a chance of snow showers.
waves 2 to 4 feet. 
.thursday night...north winds 15 to 25 knots. a chance of snow
showers. waves building to 3 to 6 feet occasionally to 8 feet. 
.friday...north winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of snow showers. waves subsiding to 2 to
4 feet. 
.saturday...north winds 10 to 20 knots backing southwest. waves
subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 270901
glfls 
expires:202601272100;;614278

open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 27 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 29.6 inch shortwave low over eastern lake superior this morning 
lifts away towards the st. lawrence seaway by this afternoon as it 
weakens to 29.8 inches. afterwards, a much weaker low grazes the 
northeast portion of the lake at 30.0 inches tonight into wednesday. 
remnant troughing gradually weakens over the lake thursday through 
friday before strong high pressure around 31.0 inches descending 
from the canadian prairies brings ridging of around 30.6 inches back 
over lake superior on saturday.



lsz266-272100-
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 tue jan 27 2026

...heavy freezing spray warning in effect through wednesday
evening...
...gale warning in effect until 1 pm est this afternoon...

.early this morning...northwest winds 20 to 30 knots. heavy
freezing spray. snow showers. waves 5 to 8 feet occasionally to
10 feet. 
.today...northwest gales to 35 knots. heavy freezing spray. snow
showers likely in the morning. a chance of snow showers in the
afternoon. waves building to 10 to 14 feet occasionally to
18 feet, then subsiding to 7 to 10 feet occasionally to 13 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. heavy freezing spray. a chance of snow showers in
the evening. snow showers likely after midnight. waves subsiding
to 5 to 8 feet occasionally to 10 feet. 
.wednesday...northwest winds 15 to 25 knots increasing to 20 to
30 knots. heavy freezing spray. snow showers likely. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.wednesday night...north winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. heavy freezing spray. snow showers
likely. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday...north winds 15 to 25 knots. a chance of snow showers.
waves subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.thursday night...north winds 20 to 30 knots. heavy freezing
spray. a chance of snow showers. waves building to 4 to 7 feet
occasionally to 9 feet. 
.friday...north winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray. a chance of snow showers. waves
building to 5 to 8 feet occasionally to 10 feet, then subsiding
to 3 to 5 feet occasionally to 7 feet. 
.saturday...north winds 10 to 20 knots backing southwest. 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 270901
glfls 
expires:202601272100;;614279

open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 27 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 29.6 inch shortwave low over eastern lake superior this morning 
lifts away towards the st. lawrence seaway by this afternoon as it 
weakens to 29.8 inches. afterwards, a much weaker low grazes the 
northeast portion of the lake at 30.0 inches tonight into wednesday. 
remnant troughing gradually weakens over the lake thursday through 
friday before strong high pressure around 31.0 inches descending 
from the canadian prairies brings ridging of around 30.6 inches back 
over lake superior on saturday.



lsz267-272100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am est tue jan 27 2026

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

.early this morning...west winds 15 to 25 knots. heavy freezing
spray. snow showers. waves 5 to 8 feet occasionally to 10 feet. 
.today...northwest winds 20 to 30 knots veering north by late
morning, then backing northwest by mid afternoon. heavy freezing
spray. snow showers likely in the morning. a chance of snow
showers in the afternoon. waves building to 7 to 11 feet
occasionally to 14 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. heavy freezing spray. snow showers. waves subsiding to
5 to 8 feet occasionally to 10 feet. 
.wednesday...northeast winds 10 to 20 knots becoming north 15 to
25 knots. heavy freezing spray in the morning. snow showers.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...north winds 15 to 25 knots becoming northeast
10 to 20 knots after midnight. a chance of snow showers. waves
subsiding to 2 to 4 feet. 
.thursday...northeast winds 10 to 20 knots backing north in the
afternoon. a chance of snow showers. waves subsiding to 1 to
3 feet, then building to 2 to 4 feet. 
.thursday night...north winds 15 to 25 knots. a chance of snow
showers. waves building to 3 to 5 feet occasionally to 7 feet. 
.friday...north winds 15 to 25 knots. a chance of snow showers.
waves building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 2 to 4 feet. 
.saturday...north winds 10 to 20 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 270901
glfls 
expires:202601272100;;614274

open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 27 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 29.6 inch shortwave low over eastern lake superior this morning 
lifts away towards the st. lawrence seaway by this afternoon as it 
weakens to 29.8 inches. afterwards, a much weaker low grazes the 
northeast portion of the lake at 30.0 inches tonight into wednesday. 
remnant troughing gradually weakens over the lake thursday through 
friday before strong high pressure around 31.0 inches descending 
from the canadian prairies brings ridging of around 30.6 inches back 
over lake superior on saturday.



lsz162-272100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est tue jan 27 2026 /300 am cst tue jan 27 2026/

...heavy freezing spray warning in effect through late tonight...

.early this morning...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible. heavy freezing spray. a slight
chance of snow showers. waves 5 to 8 feet occasionally to
10 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by late morning, then becoming west 20 to 30 knots by
mid afternoon. heavy freezing spray in the morning. a slight
chance of snow showers in the morning. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.tonight...west winds 20 to 30 knots becoming northwest 15 to
25 knots by midnight. a chance of snow showers after midnight.
waves building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 2 to 4 feet. 
.wednesday...northwest winds 10 to 20 knots. a chance of snow
showers. waves subsiding to calm to 2 feet. 
.wednesday night...northwest winds 10 to 20 knots veering north
after midnight. a slight chance of snow showers. waves calm to
2 feet. 
.thursday...north winds 10 to 20 knots. waves calm to 2 feet. 
.thursday night...north winds 10 to 20 knots. waves building to
1 to 3 feet, then subsiding to calm to 2 feet. 
.friday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 270901
glfls 
expires:202601272100;;614275

open lake forecast for lake superior
national weather service marquette mi
400 am est tue jan 27 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 29.6 inch shortwave low over eastern lake superior this morning 
lifts away towards the st. lawrence seaway by this afternoon as it 
weakens to 29.8 inches. afterwards, a much weaker low grazes the 
northeast portion of the lake at 30.0 inches tonight into wednesday. 
remnant troughing gradually weakens over the lake thursday through 
friday before strong high pressure around 31.0 inches descending 
from the canadian prairies brings ridging of around 30.6 inches back 
over lake superior on saturday.



lsz263-272100-
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 tue jan 27 2026

...heavy freezing spray warning in effect through wednesday
morning...

.early this morning...northwest winds 20 to 30 knots. heavy
freezing spray. a chance of snow showers. waves 6 to 9 feet
occasionally to 11 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet, then building to
4 to 7 feet occasionally to 9 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots late. heavy freezing spray. a chance of snow showers.
waves building to 5 to 8 feet occasionally to 10 feet, then
subsiding to 3 to 5 feet occasionally to 7 feet. 
.wednesday...northwest winds 10 to 20 knots veering north by late
morning, then backing northwest by mid afternoon. a chance of
snow showers. waves subsiding to 2 to 4 feet. 
.wednesday night...north winds 10 to 20 knots. a chance of snow
showers. waves 2 to 4 feet. 
.thursday...north winds 10 to 20 knots. a chance of snow showers.
waves 2 to 4 feet. 
.thursday night...north winds 15 to 25 knots. waves building to
3 to 6 feet occasionally to 8 feet. 
.friday...north winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots backing southwest. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$