fzus63 kdtx 251452
glflh 
expires:202511252300;;483485

open lake forecast for lake huron
national weather service detroit/pontiac mi
952 am est tue nov 25 2025

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...weak low pressure tracks into the great lakes today 
with widespread rain and modest winds. a stronger low pressure 
system arriving from the midwest then rapidly deepens over the 
northern great lakes wednesday into wednesday night, leading to a 
long duration of gales through early friday. much cooler air 
arrives with snow squalls becoming likely thursday into friday.


lhz361-362-252300-
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-
952 am est tue nov 25 2025

...gale warning in effect from wednesday afternoon through friday
morning...

.rest of today...south winds 5 to 10 knots backing to the
southeast late in the afternoon. a chance of showers. waves 1 to
3 feet. 
.tonight...southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. a chance of showers in the
evening...then showers after midnight. areas of fog. waves 1 to
3 feet. 
.wednesday...southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late morning and early afternoon...then becoming
southwest 20 to 25 knots with gusts to 35 knot gales early in the
afternoon. showers. waves 4 to 6 feet building to 10 to 14 feet
in the late morning and afternoon. waves occasionally around
18 feet. 
.wednesday night...southwest winds 20 to 25 knots becoming west
at 35 knot gales. rain and snow showers in the evening...then
snow showers after midnight. waves 12 to 16 feet. waves
occasionally around 20 feet. a gale warning may be needed. 
.thursday...northwest at 35 knot gales with gusts to 40 knot
gales. snow showers...then a chance of snow late in the evening.
waves 14 to 18 feet. waves occasionally around 23 feet. 
.friday...northwest winds to 30 knots with gusts to 35 knot gales
decreasing to 10 to 15 knots. a chance of snow. waves 10 to
14 feet subsiding to 6 to 9 feet in the late evening and early
morning. waves occasionally around 18 feet. 
.saturday...west winds 5 to 10 knots backing to the southwest
early in the evening...then becoming south 10 to 15 knots in the
late evening and early morning. a chance of snow in the late
morning and early afternoon. snow likely until early morning.
waves 3 to 5 feet subsiding to 1 to 3 feet until early evening...
then building to 2 to 4 feet in the late evening and early
morning. 


$$

fzus63 kdtx 251452
glflh 
expires:202511252300;;483486

open lake forecast for lake huron
national weather service detroit/pontiac mi
952 am est tue nov 25 2025

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...weak low pressure tracks into the great lakes today 
with widespread rain and modest winds. a stronger low pressure 
system arriving from the midwest then rapidly deepens over the 
northern great lakes wednesday into wednesday night, leading to a 
long duration of gales through early friday. much cooler air 
arrives with snow squalls becoming likely thursday into friday.


lhz363-462-252300-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
952 am est tue nov 25 2025

...gale warning in effect from wednesday morning through friday
morning...

.rest of today...south winds 5 to 10 knots. showers likely late
in the morning...then a chance of showers in the afternoon. waves
1 to 3 feet. 
.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots early in the morning. showers likely. areas of fog.
waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 20 knots increasing to 35 knot
gales with gusts to 45 knot gales. showers. waves 4 to 6 feet
building to 12 to 16 feet in the late morning and afternoon.
waves occasionally around 20 feet. a gale warning may be needed. 
.wednesday night...west at 40 knot gales with gusts to 45 knot
gales. rain and snow showers in the evening...then snow showers
after midnight. waves 14 to 18 feet. waves occasionally around
23 feet. 
.thursday...west at 40 knot gales with gusts to 45 knot gales.
snow showers likely in the morning...then snow showers late in
the morning. snow likely late in the evening. waves 15 to
20 feet. waves occasionally around 25 feet. 
.friday...northwest at 35 knot gales becoming west 15 to
20 knots. a chance of snow. waves 14 to 18 feet subsiding to 8 to
12 feet until early morning. waves occasionally around 23 feet. 
.saturday...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then becoming south
10 to 15 knots until early morning. a chance of until afternoon.
snow likely until early morning. waves 3 to 5 feet subsiding to
2 to 4 feet. 


$$

fzus63 kmkx 251449
glflm 
expires:202511252230;;483423

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
849 am cst tue nov 25 2025

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...

light and variable winds (predominantly southeasterly) will
persist through today as low pressure around 29.6 inches 
approaches from the minnesota/iowa border. this low pressure is 
expected to cross the upper peninsula of michigan through 
wednesday, deepening to around 29.3 inches. a cold front extending
south of the low is expected to cross lake michigan tonight, 
turning winds southwest and steadily increasing toward daybreak on
wednesday. gale warnings are in effect across the lake wednesday,
along with a storm force wind watch over the southern two thirds 
of the open waters, where we expect the strongest winds. winds 
veer due west by mid wednesday, then northwest late wednesday 
through thursday night. winds are expected to decrease below storm
force by daybreak thursday, but gale warnings do remain in effect
thursday into thursday night as gusty northwest winds continue. 
winds gradually subside into friday as high pressure builds into 
the region from the west. 


lmz261-362-364-563-252230-
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 rock island passage to sturgeon bay wi-
849 am cst tue nov 25 2025

sturgeon bay wi to point betsie mi north...

...gale warning in effect from wednesday afternoon through late
thursday night...

.rest of today...southeast winds 5 to 10 kt becoming east 10 to
15 kt. patchy fog. chance of drizzle through mid morning, then
drizzle likely this afternoon. waves 1 to 3 ft. 
.tonight...southeast winds 10 to 15 kt increasing to 10 to 20 kt
late in the evening, then becoming southeast 10 to 20 kt after
midnight becoming south 15 to 25 kt late. rain likely in the
evening, then rain overnight. waves 1 to 2 ft building to 4 to
6 ft occasionally to 8 ft. 
.wednesday...southwest winds to 30 kt becoming west late in the
morning, then increasing to gales to 40 kt early in the afternoon
becoming northwest gales to 45 kt late. a few gusts to storm force
possible. rain in the morning, then rain and snow in the 
afternoon. waves 7 to 10 ft occasionally to 13 ft building to 10 
to 14 ft occasionally to 18 ft. 
.wednesday night...northwest gales to 45 kt, a few gusts to storm
force possible. snow. waves 14 to 18 ft occasionally to 23 ft.
.thursday...northwest gales to 45 kt, decreasing to 40 kt. snow. 
waves 12 to 16 ft occasionally to 21 ft subsiding to 8 to 12 ft 
occasionally to 16 ft. 
.thursday night...northwest gales to 40 kt. snow. waves 8 to 11 
ft occasionally to 14 ft. 
.friday...northwest winds to 30 kt. chance of snow. waves 5 to
8 ft occasionally to 10 ft subsiding to 3 to 5 ft. 
.saturday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. chance of snow. waves 1 to 2 ft building to 1 to 3 ft.  

$$

fzus63 kmkx 251449
glflm 
expires:202511252230;;483424

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
849 am cst tue nov 25 2025

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...

light and variable winds (predominantly southeasterly) will
persist through today as low pressure around 29.6 inches 
approaches from the minnesota/iowa border. this low pressure is 
expected to cross the upper peninsula of michigan through 
wednesday, deepening to around 29.3 inches. a cold front extending
south of the low is expected to cross lake michigan tonight, 
turning winds southwest and steadily increasing toward daybreak on
wednesday. gale warnings are in effect across the lake wednesday,
along with a storm force wind watch over the southern two thirds 
of the open waters, where we expect the strongest winds. winds 
veer due west by mid wednesday, then northwest late wednesday 
through thursday night. winds are expected to decrease below storm
force by daybreak thursday, but gale warnings do remain in effect
thursday into thursday night as gusty northwest winds continue. 
winds gradually subside into friday as high pressure builds into 
the region from the west. 


lmz366-565-567-868-252230-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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-
849 am cst tue nov 25 2025

sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...

...storm watch in effect from wednesday morning through late
wednesday night...
...gale warning in effect from late wednesday night through
thursday evening...

.rest of today...southeast winds 5 to 10 kt. patchy fog. chance
of drizzle. waves 1 to 3 ft. 
.tonight...southeast winds 5 to 10 kt becoming south 10 to 20 kt
late in the evening, then increasing to 15 to 25 kt after
midnight becoming southwest to 30 kt late. chance of rain in the
evening, then rain overnight. waves 1 to 2 ft building to 5 to
8 ft occasionally to 10 ft. 
.wednesday...southwest gales to 35 kt becoming west gales to
40 kt late in the morning, then increasing to gales to 45 kt
early in the afternoon becoming northwest storm force winds to
50 kt late. rain in the morning, then rain and snow in the
afternoon. waves 12 to 16 ft occasionally to 21 ft building to
15 to 20 ft occasionally to 26 ft. 
.wednesday night...northwest storm force winds to 50 kt
diminishing to gales to 45 kt. snow likely in the evening, then
chance of snow overnight. waves 18 to 23 ft occasionally to
30 ft. 
.thursday...northwest gales to 45 kt diminishing to gales to
35 kt in the afternoon. chance of snow. waves 14 to 18 ft
occasionally to 23 ft subsiding to 10 to 14 ft occasionally to
18 ft. 
.thursday night...northwest gales to 35 kt diminishing to 30 kt.
chance of snow. waves 10 to 14 ft occasionally to 18 ft subsiding
to 8 to 12 ft occasionally to 16 ft. 
.friday...northwest winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.saturday...southwest winds 10 to 20 kt becoming south. snow
likely. waves 1 to 3 ft building to 4 to 6 ft occasionally to
8 ft.  

$$

fzus63 kmkx 251449
glflm 
expires:202511252230;;483425

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
849 am cst tue nov 25 2025

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...

light and variable winds (predominantly southeasterly) will
persist through today as low pressure around 29.6 inches 
approaches from the minnesota/iowa border. this low pressure is 
expected to cross the upper peninsula of michigan through 
wednesday, deepening to around 29.3 inches. a cold front extending
south of the low is expected to cross lake michigan tonight, 
turning winds southwest and steadily increasing toward daybreak on
wednesday. gale warnings are in effect across the lake wednesday,
along with a storm force wind watch over the southern two thirds 
of the open waters, where we expect the strongest winds. winds 
veer due west by mid wednesday, then northwest late wednesday 
through thursday night. winds are expected to decrease below storm
force by daybreak thursday, but gale warnings do remain in effect
thursday into thursday night as gusty northwest winds continue. 
winds gradually subside into friday as high pressure builds into 
the region from the west. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-252230-
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-
849 am cst tue nov 25 2025

sheboygan wi to pentwater mi south...

...storm watch in effect from wednesday morning through late
wednesday night...
...gale warning in effect from late wednesday night through
thursday evening...

.rest of today...southeast winds 5 to 10 kt becoming southwest.
patchy fog. chance of rain and drizzle through mid morning, then
slight chance of drizzle this afternoon. waves 1 to 2 ft. 
.tonight...south winds 10 to 15 kt increasing to 15 to 25 kt late
in the evening, then becoming southwest to 30 kt after midnight
increasing to gales to 35 kt around daybreak. chance of rain in 
the evening, then slight chance of rain overnight. waves 1 ft or 
less building to 8 to 11 ft occasionally to 14 ft. 
.wednesday...west gales to 40 kt increasing to storm force winds
to 50 kt. rain and snow likely in the morning, then snow in the 
afternoon. waves 12 to 16 ft occasionally to 21 ft building to 20 
to 25 ft occasionally to 33 ft. 
.wednesday night...west storm force winds to 50 kt becoming 
northwest. chance of snow. waves 25 to 30 ft occasionally to 39 
ft.
.thursday...northwest gales to 45 kt diminishing to gales to
40 kt. chance of snow. waves 18 to 23 ft occasionally to 30 ft. 
.thursday night...northwest gales to 35 kt diminishing to 30 kt.
chance of snow. waves 14 to 18 ft occasionally to 23 ft. 
.friday...northwest winds to 30 kt diminishing to 10 to 20 kt.
waves 8 to 12 ft occasionally to 16 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.saturday...south winds 10 to 20 kt. snow likely. waves 3 to 5 ft
building to 4 to 7 ft occasionally to 9 ft.  

$$

fzus63 kmqt 251501
glfls 
expires:202511252100;;483932

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue nov 25 2025

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 29.8 inch low continues to move closer to the great lakes from the 
west today, deepening to 29.6 inches by tonight over the upper 
peninsula. by the time it passes over eastern lake superior on 
wednesday, it will have strengthened to 29.3 inches. this low 
deepens further to 29.2 inches over quebec thursday while 30.5 inch 
high pressure builds over the northern great plains in its wake. 
this high moves over lake superior friday into the weekend.



lsz162-252100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est tue nov 25 2025 /900 am cst tue nov 25 2025/

...gale warning in effect from 3 pm est /2 pm cst/ this afternoon
through thursday morning...

.rest of today...northeast winds 20 to 30 knots increasing to
gales to 35 knots by mid afternoon. a chance of rain. a chance of
snow in the afternoon. waves 3 to 5 feet occasionally to 7 feet
building to 6 to 9 feet occasionally to 11 feet. 
.tonight...northeast gales to 35 knots becoming north gales to
45 knots by midnight. a slight chance of rain in the evening.
snow. waves building to 12 to 17 feet occasionally to 21 feet. 
.wednesday...north gales to 45 knots becoming northwest gales to
40 knots by mid afternoon. snow. waves subsiding to 9 to 12 feet
occasionally to 15 feet. 
.wednesday night...northwest gales to 40 knots. a chance of snow
showers. waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.thursday...northwest winds 20 to 30 knots. a slight chance of
snow showers. waves subsiding to 3 to 6 feet occasionally to
8 feet. 
.thursday night...northwest winds 15 to 25 knots. waves subsiding
to 1 to 3 feet. 
.friday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots veering north. a chance
of snow showers. waves calm to 2 feet. 

$$

fzus63 kmqt 251501
glfls 
expires:202511252100;;483933

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue nov 25 2025

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 29.8 inch low continues to move closer to the great lakes from the 
west today, deepening to 29.6 inches by tonight over the upper 
peninsula. by the time it passes over eastern lake superior on 
wednesday, it will have strengthened to 29.3 inches. this low 
deepens further to 29.2 inches over quebec thursday while 30.5 inch 
high pressure builds over the northern great plains in its wake. 
this high moves over lake superior friday into the weekend.



lsz263-252100-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 am est tue nov 25 2025

...gale warning in effect from 7 pm est this evening through
thursday afternoon...

.rest of today...northeast winds 10 to 20 knots increasing to
20 to 30 knots. a chance of rain. a slight chance of snow in the
afternoon. waves 3 to 5 feet occasionally to 7 feet building to
6 to 9 feet occasionally to 11 feet. 
.tonight...northeast gales to 40 knots becoming north gales to
45 knots late. rain in the evening. snow. waves building to 15 to
20 feet occasionally to 25 feet. 
.wednesday...north gales to 45 knots. snow. waves subsiding to
12 to 17 feet occasionally to 21 feet. 
.wednesday night...north gales to 40 knots backing northwest
after midnight. snow showers likely in the evening, then a chance
of snow showers after midnight. waves subsiding to 9 to 12 feet
occasionally to 15 feet. 
.thursday...northwest gales to 35 knots diminishing to 20 to
30 knots in the afternoon. a chance of snow showers. waves
subsiding to 5 to 8 feet occasionally to 10 feet. 
.thursday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots. a chance of snow
showers. waves calm to 2 feet. 

$$

fzus63 kmqt 251501
glfls 
expires:202511252100;;483934

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue nov 25 2025

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 29.8 inch low continues to move closer to the great lakes from the 
west today, deepening to 29.6 inches by tonight over the upper 
peninsula. by the time it passes over eastern lake superior on 
wednesday, it will have strengthened to 29.3 inches. this low 
deepens further to 29.2 inches over quebec thursday while 30.5 inch 
high pressure builds over the northern great plains in its wake. 
this high moves over lake superior friday into the weekend.



lsz264-252100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am est tue nov 25 2025

...gale warning in effect from 10 pm est this evening through
thursday evening...

.rest of today...northeast winds 10 to 20 knots increasing to
20 to 30 knots. a slight chance of rain. a slight chance of snow
in the afternoon. waves 2 to 4 feet building to 4 to 7 feet
occasionally to 9 feet. 
.tonight...northeast gales to 45 knots. a slight chance of rain
in the evening. snow. waves building to 12 to 17 feet
occasionally to 21 feet. 
.wednesday...north gales to 45 knots. snow. waves building to
15 to 20 feet occasionally to 25 feet, then subsiding to 12 to
17 feet occasionally to 21 feet. 
.wednesday night...north gales to 45 knots. snow showers in the
evening, then a chance of snow showers after midnight. waves
subsiding to 12 to 17 feet occasionally to 21 feet. 
.thursday...northwest gales to 40 knots. a chance of snow
showers. waves subsiding to 9 to 12 feet occasionally to 15 feet.
.thursday night...northwest gales to 35 knots diminishing to
20 to 30 knots after midnight. a chance of snow showers. waves
subsiding to 5 to 8 feet occasionally to 10 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots veering north. a chance
of snow showers. waves calm to 2 feet. 

$$

fzus63 kmqt 251501
glfls 
expires:202511252100;;483935

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue nov 25 2025

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 29.8 inch low continues to move closer to the great lakes from the 
west today, deepening to 29.6 inches by tonight over the upper 
peninsula. by the time it passes over eastern lake superior on 
wednesday, it will have strengthened to 29.3 inches. this low 
deepens further to 29.2 inches over quebec thursday while 30.5 inch 
high pressure builds over the northern great plains in its wake. 
this high moves over lake superior friday into the weekend.



lsz265-252100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am est tue nov 25 2025

...gale warning in effect from 10 pm est this evening through
thursday evening...

.rest of today...northeast winds 10 to 20 knots increasing to
20 to 30 knots. a chance of rain late in the morning, then rain
in the afternoon. waves 1 to 3 feet building to 3 to 5 feet
occasionally to 7 feet. 
.tonight...northeast winds 20 to 30 knots increasing to gales to
40 knots by midnight. rain. snow after midnight. waves building
to 10 to 14 feet occasionally to 18 feet. 
.wednesday...northeast gales to 45 knots becoming north gales to
45 knots with a few storm force gusts to 50 knots possible. a
slight chance of rain in the morning. snow. waves building to
15 to 20 feet occasionally to 25 feet. 
.wednesday night...north storm force winds to 50 knots backing
northwest after midnight. a slight chance of thunderstorms in the
evening. snow showers. waves subsiding to 12 to 17 feet
occasionally to 21 feet. 
.thursday...northwest gales to 45 knots. snow showers. waves
subsiding to 9 to 12 feet occasionally to 15 feet. 
.thursday night...northwest gales to 40 knots. snow showers in
the evening, then a chance of snow showers after midnight. waves
subsiding to 5 to 8 feet occasionally to 10 feet. 
.friday...northwest winds 15 to 25 knots becoming west 10 to
20 knots. a chance of snow showers. waves subsiding to calm to
2 feet. 
.saturday...west winds 10 to 20 knots diminishing to 5 to
15 knots. a chance of snow showers, then snow showers likely.
waves calm to 2 feet. 

$$

fzus63 kmqt 251501
glfls 
expires:202511252100;;483936

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue nov 25 2025

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 29.8 inch low continues to move closer to the great lakes from the 
west today, deepening to 29.6 inches by tonight over the upper 
peninsula. by the time it passes over eastern lake superior on 
wednesday, it will have strengthened to 29.3 inches. this low 
deepens further to 29.2 inches over quebec thursday while 30.5 inch 
high pressure builds over the northern great plains in its wake. 
this high moves over lake superior friday into the weekend.



lsz266-252100-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 am est tue nov 25 2025

...gale warning in effect from late tonight through late thursday
night...

.rest of today...northeast winds 10 to 20 knots increasing to
15 to 25 knots by mid afternoon. a chance of rain late in the
morning, then rain in the afternoon. waves 2 to 4 feet building
to 3 to 6 feet occasionally to 8 feet. 
.tonight...northeast winds 20 to 30 knots becoming east gales to
40 knots by midnight. rain, possibly mixed with snow. waves
building to 10 to 14 feet occasionally to 18 feet. 
.wednesday...northeast gales to 45 knots backing north. snow,
possibly mixed with rain. waves building to 15 to 20 feet
occasionally to 25 feet. 
.wednesday night...north storm force winds to 50 knots. a slight
chance of thunderstorms in the evening. snow showers. waves
building to 17 to 22 feet occasionally to 28 feet, then subsiding
to 15 to 20 feet occasionally to 25 feet. 
.thursday...north gales to 45 knots backing northwest in the
afternoon. snow showers. waves subsiding to 12 to 17 feet
occasionally to 21 feet. 
.thursday night...northwest gales to 40 knots. snow showers.
waves subsiding to 9 to 12 feet occasionally to 15 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. a chance of snow showers, then snow showers likely.
waves subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots. snow showers. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 251501
glfls 
expires:202511252100;;483937

open lake forecast for lake superior
national weather service marquette mi
1000 am est tue nov 25 2025

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 29.8 inch low continues to move closer to the great lakes from the 
west today, deepening to 29.6 inches by tonight over the upper 
peninsula. by the time it passes over eastern lake superior on 
wednesday, it will have strengthened to 29.3 inches. this low 
deepens further to 29.2 inches over quebec thursday while 30.5 inch 
high pressure builds over the northern great plains in its wake. 
this high moves over lake superior friday into the weekend.



lsz267-252100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am est tue nov 25 2025

...gale warning in effect from wednesday afternoon through late
thursday night...

.rest of today...east winds 10 to 20 knots backing northeast by
mid afternoon. rain. waves 1 to 3 feet building to 3 to 5 feet
occasionally to 7 feet. 
.tonight...east winds 15 to 25 knots increasing to 20 to 30 knots
by midnight. rain. waves building to 6 to 9 feet occasionally to
11 feet. 
.wednesday...east gales to 40 knots backing north by mid
afternoon. rain in the morning. snow. a slight chance of rain in
the afternoon. waves building to 9 to 12 feet occasionally to
15 feet. 
.wednesday night...north gales to 45 knots. a slight chance of
rain showers in the evening. snow showers. waves building to
15 to 20 feet occasionally to 25 feet. 
.thursday...north gales to 45 knots backing northwest in the
afternoon. snow showers. waves subsiding to 12 to 17 feet
occasionally to 21 feet. 
.thursday night...northwest gales to 40 knots. snow showers.
waves subsiding to 8 to 11 feet occasionally to 14 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. snow showers. waves subsiding to 1 to 3 feet. 
.saturday...west winds 10 to 20 knots backing south. snow
showers. waves subsiding to calm to 2 feet. 

$$