fzus63 kdtx 230903
glflh 
expires:202601231715;;375795

open lake forecast for lake huron
national weather service detroit/pontiac mi
403 am est fri jan 23 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 today, 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
tonight into saturday, which will bring lighter winds to the
region.


lhz363-462>464-231715-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
403 am est fri jan 23 2026

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

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

wave heights are for ice free areas.

$$

fzus63 kdtx 230903
glflh 
expires:202601231715;;375794

open lake forecast for lake huron
national weather service detroit/pontiac mi
403 am est fri jan 23 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 today, 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
tonight into saturday, which will bring lighter winds to the
region.


lhz361-362-231715-
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-
403 am est fri jan 23 2026

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

.today...west winds to 30 knots decreasing to 20 to 25 knots in
the late morning and afternoon. a chance of snow showers. heavy
freezing spray. waves 8 to 12 feet. waves occasionally around
15 feet. 
.tonight...west winds 20 to 25 knots decreasing to 10 to
15 knots. heavy freezing spray in the evening. waves 5 to 7 feet.
waves occasionally around 10 feet. 
.saturday...west winds 10 to 15 knots decreasing to 5 to 10 knots
early in the afternoon. waves 3 to 5 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.saturday night...southwest winds 5 to 10 knots backing to the
south after midnight. waves 2 feet or less. 
.sunday...south winds 5 to 10 knots becoming southeast 10 to
15 knots late in the morning...then backing to the northeast late
in the afternoon. waves 1 to 3 feet building to 2 to 4 feet. 
.monday...north winds 10 to 15 knots becoming northwest 15 to
20 knots until early evening...then backing to the west by
midnight. waves 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots veering to the west .
waves 4 to 6 feet. waves occasionally around 8 feet. 


$$

fzus63 kmkx 230843
glflm 
expires:202601231615;;374799

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
243 am cst fri jan 23 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...

northwest gales will continue through the rest of the overnight 
hours as 29.6 inch low pressure lingers over northern quebec and 
31.0 inch high pressure builds into the northern great plains. 
said high will build east today, allowing for a gradual north to 
south decrease in wind gusts during the morning hours. a gale 
warning thus remains in effect until 8 am cst over the northern 
half of lake michigan and until 12 pm cst further south. trends 
will continue to be monitored through the morning hours. 

high pressure will move into the upper mississippi river valley 
tonight, ultimately crossing lake michigan during the day 
saturday. progression of the high will result in continued 
decreasing northwest winds through tonight, with readings 
ultimately becoming light & variable by saturday afternoon. waves 
will remain elevated enough to support continued heavy freezing 
spray potential into tonight, with steady decreases in wave 
heights resulting in diminishing potential by daybreak saturday. 
heavy freezing spray warnings thus remain in effect until 3 am cst
saturday over all of lake michigan. 

high pressure will linger from the lower peninsula of michigan into 
quebec saturday night into sunday. weak low pressure near 30.6
inches may develop over the southern third of the waters saturday
morning & afternoon, but isn't expected to bring any appreciable 
impacts outside of some lake effect snow potential. 29.7 inch low
pressure will develop over the southeastern united states on 
sunday, progressing toward the northeastern united states as it 
deepens to near 29.2 inches sunday night through monday. 
progression of the low, in addition to the movement of 30.7 inch high
pressure from the northern to the southern great plains, will 
result in increasing winds across lake michigan sunday through 
monday. winds will initially be north to northeast sunday, 
trending northwesterly and ultimately westerly sunday night 
through monday afternoon. 29.8 inch low pressure is forecast to 
form somewhere from lake superior to the hudson bay monday night, 
bringing potentially stronger southwest winds monday evening into 
early tuesday morning. depending on the ultimate central pressure 
& development location of the low, a few southwesterly gales may 
occur over the southern third of the open waters. trends will be 
monitored in coming forecasts.

winds will gradually trend downward tuesday through wednesday as 
30.7 inch high pressure moves into the northern great plains. 
elevated wave heights will combine with still chilly temperatures 
to support additional periods of moderate to perhaps heavy 
freezing spray monday night into thursday. trends will be 
monitored for potential headlines in coming forecasts. 


lmz080-567-669-671-673-675-777-779-868-870-872-874-876-878-231615-
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-
243 am cst fri jan 23 2026

two rivers wi to manistee mi south...

...gale warning in effect until noon cst today...
...heavy freezing spray warning in effect through late tonight...

.today...northwest gales to 35 kt diminishing to 15 to 25 kt.
heavy freezing spray. chance of snow this morning, then snow
likely this afternoon. waves 10 to 14 ft occasionally to 18 ft
subsiding to 6 to 9 ft occasionally to 12 ft. 
.tonight...northwest winds 10 to 20 kt diminishing to 10 to
15 kt. heavy freezing spray in the evening. chance of snow. waves
5 to 8 ft occasionally to 10 ft subsiding to 2 to 4 ft. 
.saturday...northwest winds 10 to 15 kt veering to east. chance
of snow. waves 1 to 3 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 building to 5 to
8 ft occasionally to 10 ft. 
.monday...northwest winds 15 to 25 kt becoming west. freezing
spray. waves 5 to 8 ft occasionally to 10 ft. 
.tuesday...west winds to 30 kt. freezing spray. waves 7 to 10 ft
occasionally to 13 ft subsiding to 6 to 9 ft occasionally to
12 ft.  

$$

fzus63 kmkx 230843
glflm 
expires:202601231615;;374798

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
243 am cst fri jan 23 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...

northwest gales will continue through the rest of the overnight 
hours as 29.6 inch low pressure lingers over northern quebec and 
31.0 inch high pressure builds into the northern great plains. 
said high will build east today, allowing for a gradual north to 
south decrease in wind gusts during the morning hours. a gale 
warning thus remains in effect until 8 am cst over the northern 
half of lake michigan and until 12 pm cst further south. trends 
will continue to be monitored through the morning hours. 

high pressure will move into the upper mississippi river valley 
tonight, ultimately crossing lake michigan during the day 
saturday. progression of the high will result in continued 
decreasing northwest winds through tonight, with readings 
ultimately becoming light & variable by saturday afternoon. waves 
will remain elevated enough to support continued heavy freezing 
spray potential into tonight, with steady decreases in wave 
heights resulting in diminishing potential by daybreak saturday. 
heavy freezing spray warnings thus remain in effect until 3 am cst
saturday over all of lake michigan. 

high pressure will linger from the lower peninsula of michigan into 
quebec saturday night into sunday. weak low pressure near 30.6
inches may develop over the southern third of the waters saturday
morning & afternoon, but isn't expected to bring any appreciable 
impacts outside of some lake effect snow potential. 29.7 inch low
pressure will develop over the southeastern united states on 
sunday, progressing toward the northeastern united states as it 
deepens to near 29.2 inches sunday night through monday. 
progression of the low, in addition to the movement of 30.7 inch high
pressure from the northern to the southern great plains, will 
result in increasing winds across lake michigan sunday through 
monday. winds will initially be north to northeast sunday, 
trending northwesterly and ultimately westerly sunday night 
through monday afternoon. 29.8 inch low pressure is forecast to 
form somewhere from lake superior to the hudson bay monday night, 
bringing potentially stronger southwest winds monday evening into 
early tuesday morning. depending on the ultimate central pressure 
& development location of the low, a few southwesterly gales may 
occur over the southern third of the open waters. trends will be 
monitored in coming forecasts.

winds will gradually trend downward tuesday through wednesday as 
30.7 inch high pressure moves into the northern great plains. 
elevated wave heights will combine with still chilly temperatures 
to support additional periods of moderate to perhaps heavy 
freezing spray monday night into thursday. trends will be 
monitored for potential headlines in coming forecasts. 


lmz261-362-364-366-563-565-231615-
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-
243 am cst fri jan 23 2026

two rivers wi to manistee mi north...

...gale warning in effect until 8 am cst this morning...
...heavy freezing spray warning in effect through late tonight...

.today...northwest gales to 35 kt diminishing to 30 kt. heavy
freezing spray. chance of snow. waves 8 to 11 ft occasionally to
14 ft subsiding to 4 to 7 ft occasionally to 9 ft. 
.tonight...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. chance of snow in the evening, then slight chance of snow
overnight. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.saturday...west winds 10 to 15 kt diminishing to 5 to 10 kt.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.saturday night...southwest winds 5 to 10 kt becoming south 10 to
15 kt. waves 1 to 3 ft. 
.sunday...northeast winds 10 to 15 kt. waves 1 to 3 ft. 
.sunday night...north winds 10 to 20 kt. waves 3 to 5 ft. 
.monday...northwest winds 10 to 20 kt becoming west. waves 3 to
5 ft. 
.tuesday...west winds 15 to 25 kt becoming northwest. waves 4 to
7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to
8 ft.  

$$

fzus63 kmqt 230922 cca
glfls 
expires:202601232100;;378074

open lake forecast for lake superior...corrected
national weather service marquette mi
422 am est fri jan 23 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...

high pressure steadily increases to at least 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. ridging weakens to 30.3 inches on sunday as a 
29.7 inch low moves northeast along the atlantic coast. a 29.8 inch 
clipper low crosses the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz265-232100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
422 am est fri jan 23 2026

...gale warning in effect until 1 pm est this afternoon...
...heavy freezing spray warning in effect through late tonight...

.early this morning...northwest gales to 35 knots. heavy freezing
spray. numerous snow showers. waves 7 to 10 feet occasionally to
13 feet. 
.today...northwest gales to 35 knots becoming northwest winds 20 to
30 knots with a few gale force gusts up to 35 knots possible. heavy 
freezing spray. numerous snow showers. waves subsiding to 5 to 8 feet
occasionally to 10 feet.
.tonight...northwest winds 20 to 30 knots with a few gale force gusts 
to 35 knots possible this evening diminishing to 15 to 25 knots after
midnight. heavy freezing spray in the evening. scattered snow 
showers. waves subsiding to 2 to 4 feet.
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of snow showers in the morning. 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 veering northwest in the
afternoon. waves calm to 2 feet. 
.sunday night...northwest winds 15 to 25 knots. waves building to
2 to 4 feet. 
.monday...west winds 15 to 25 knots increasing to 20 to 30 knots.
waves subsiding to 1 to 3 feet, then building to 3 to 6 feet
occasionally to 8 feet. 
.tuesday...northwest gales to 35 knots diminishing to 20 to
30 knots. heavy freezing spray. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 230922 cca
glfls 
expires:202601232100;;378075

open lake forecast for lake superior...corrected
national weather service marquette mi
422 am est fri jan 23 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...

high pressure steadily increases to at least 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. ridging weakens to 30.3 inches on sunday as a 
29.7 inch low moves northeast along the atlantic coast. a 29.8 inch 
clipper low crosses the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz266-232100-
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-
422 am est fri jan 23 2026

...gale warning in effect until 1 pm est this afternoon...
...heavy freezing spray warning in effect through saturday
morning...

.early this morning...northwest gales to 40 knots. heavy freezing
spray. snow showers. waves 10 to 14 feet occasionally to 18 feet.
.today...northwest gales to 40 knots becoming northwest winds to 30
with a few gale force gusts up to 35 knots possible by this afternoon.
heavy freezing spray. snow showers. waves subsiding to 8 to 11 feet 
occasionally to 14 feet.
.tonight...northwest winds to 30 knots with a few gale force gusts
up to 35 knots possible this evening diminishing to 15 to 25 knots
after midnight. heavy freezing spray. numerous snow showers. waves 
subsiding to 4 to 7 feet occasionally to 9 feet. 
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of snow showers. waves subsiding to 1 to
3 feet. 
.saturday night...southwest winds 10 to 20 knots. a slight chance
of snow showers. waves 1 to 3 feet. 
.sunday...west winds 10 to 20 knots veering northwest in the
afternoon. a chance of snow showers. waves 1 to 3 feet. 
.sunday night...northwest winds 15 to 25 knots. a chance of snow
showers. 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 showers. waves building to
4 to 7 feet occasionally to 9 feet. 
.tuesday...northwest winds 20 to 30 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 6 feet
occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 230922 cca
glfls 
expires:202601232100;;378076

open lake forecast for lake superior...corrected
national weather service marquette mi
422 am est fri jan 23 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...

high pressure steadily increases to at least 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. ridging weakens to 30.3 inches on sunday as a 
29.7 inch low moves northeast along the atlantic coast. a 29.8 inch 
clipper low crosses the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz267-232100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
422 am est fri jan 23 2026

...gale warning in effect until 1 pm est this afternoon...
...heavy freezing spray warning in effect through saturday
morning...

.early this morning...northwest winds 20 to 30 knots with a few gale
force gusts up to 35 knots possible. heavy freezing spray. snow 
showers. waves 10 to 14 feet occasionally to 18 feet subsiding to 10 
to 14 feet occasionally to 18 feet. 
.today...north winds 20 to 30 knots with a few gale force gusts up to
35 knots possible this morning becoming northwest winds 20 to 30
knots this afternoon. heavy freezing spray. snow showers. waves 
subsiding to 8 to 11 feet occasionally to 14 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. heavy freezing spray. numerous snow showers. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.saturday...northwest winds 10 to 20 knots backing west. snow
showers likely in the morning, then a chance of snow showers in
the afternoon. waves subsiding to 2 to 4 feet. 
.saturday night...southwest winds 10 to 20 knots. a slight chance
of snow showers. waves subsiding to 1 to 3 feet. 
.sunday...south winds 10 to 20 knots becoming west 5 to 15 knots
in the afternoon. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.sunday night...northwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. a chance of snow showers. waves building
to 2 to 4 feet. 
.monday...west winds 10 to 20 knots becoming southwest 15 to
25 knots. freezing spray. a chance of snow showers. waves
building to 4 to 7 feet occasionally to 9 feet. 
.tuesday...northwest winds 15 to 25 knots veering north. 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. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 230922 cca
glfls 
expires:202601232100;;378071

open lake forecast for lake superior...corrected
national weather service marquette mi
422 am est fri jan 23 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...

high pressure steadily increases to at least 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. ridging weakens to 30.3 inches on sunday as a 
29.7 inch low moves northeast along the atlantic coast. a 29.8 inch 
clipper low crosses the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz162-232100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
422 am est fri jan 23 2026 /322 am cst fri jan 23 2026/

...heavy freezing spray warning in effect until 1 pm est /noon
cst/ this afternoon...

.early this morning...northwest winds 20 to 30 knots. heavy
freezing spray. scattered snow showers. waves 5 to 8 feet
occasionally to 10 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray in the morning. scattered snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. scattered snow showers. waves subsiding to
1 to 3 feet. 
.saturday...west winds 10 to 20 knots becoming southwest 5 to
15 knots by mid afternoon. a chance of snow showers. waves
subsiding to calm to 2 feet. 
.saturday night...southwest winds 5 to 15 knots veering west
after midnight. a chance of snow showers. 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...southwest winds 15 to 25 knots veering west. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
1 to 3 feet. 
.tuesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 230922 cca
glfls 
expires:202601232100;;378072

open lake forecast for lake superior...corrected
national weather service marquette mi
422 am est fri jan 23 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...

high pressure steadily increases to at least 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. ridging weakens to 30.3 inches on sunday as a 
29.7 inch low moves northeast along the atlantic coast. a 29.8 inch 
clipper low crosses the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz263-232100-
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-
422 am est fri jan 23 2026

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

.early this morning...northwest winds 20 to 30 knots. heavy
freezing spray. snow showers. waves 6 to 9 feet occasionally to
11 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. heavy freezing spray. snow showers.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. numerous snow showers in the evening.
scattered snow showers after midnight. waves subsiding to 2 to
4 feet. 
.saturday...northwest winds 5 to 15 knots backing southwest by
mid afternoon. a chance of snow showers. waves subsiding to 1 to
3 feet. 
.saturday night...southwest winds 5 to 15 knots veering west
after midnight. a chance of snow showers. waves 1 to 3 feet. 
.sunday...northwest winds 5 to 15 knots. a chance of snow
showers. waves subsiding to calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots. waves building to
1 to 3 feet. 
.monday...west winds 20 to 30 knots. 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 15 to 25 knots. waves subsiding to
2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 230922 cca
glfls 
expires:202601232100;;378073

open lake forecast for lake superior...corrected
national weather service marquette mi
422 am est fri jan 23 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...

high pressure steadily increases to at least 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. ridging weakens to 30.3 inches on sunday as a 
29.7 inch low moves northeast along the atlantic coast. a 29.8 inch 
clipper low crosses the lake monday night, followed by ridging of 
around 30.1 inches during the early to middle part of next week.



lsz264-232100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
422 am est fri jan 23 2026

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

.early this morning...northwest winds 20 to 30 knots. heavy
freezing spray. snow showers. waves 7 to 10 feet occasionally to
13 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. heavy freezing spray. snow showers.
waves 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 in the evening. numerous snow
showers in the evening, then scattered snow showers after
midnight. waves subsiding to 2 to 4 feet. 
.saturday...northwest winds 5 to 15 knots backing west. a chance
of snow showers. waves subsiding to 1 to 3 feet. 
.saturday night...southwest winds 5 to 15 knots veering west
after midnight. a chance of snow showers. waves 1 to 3 feet. 
.sunday...northwest winds 5 to 15 knots. a chance of snow
showers. waves subsiding to 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 15 to 25 knots becoming northwest 20 to
30 knots. 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 2 to 4 feet. 

note, wave height forecasts are for ice free areas.

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