fzus63 kdtx 112041
glflh 
expires:202511120445;;249846

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm est tue nov 11 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...increasing southwest winds today ahead of a cold
front, which tracks through the great lakes on wednesday. brief,
localized gusts to gales are possible this evening, but
especially wednesday and wednesday night over the open waters of
lake huron.


lhz361-120445-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
341 pm est tue nov 11 2025

.tonight...south winds 15 to 20 knots becoming southwest 10 to
15 knots after midnight...then becoming west 15 to 20 knots early
in the morning. rain and snow in the evening...then rain after
midnight. waves 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots increasing to 30 knots
with a few gusts to 35 knot gales. a chance of rain in the 
morning... then rain in the afternoon. waves 4 to 6 feet building 
to 8 to 12 feet in the afternoon. waves occasionally around 15 
feet. 
.wednesday night...west winds to 30 knots decreasing to 20 to
25 knots in the late evening and overnight. rain in the evening...
then a chance of rain after midnight. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.thursday...west winds 20 to 25 knots. gusts to 30 knots in the
late morning and afternoon. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.thursday night...west winds 15 to 20 knots becoming northwest
5 to 10 knots. waves 4 to 6 feet subsiding to 1 to 3 feet after
midnight. waves occasionally around 8 feet. 
.friday...north winds 5 to 10 knots veering to the east late in
the afternoon...then becoming southeast 10 to 15 knots late in
the evening. waves 1 to 3 feet. 
.saturday...southeast winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain in the late morning and early
afternoon. rain until early morning. waves 3 to 5 feet building
to 5 to 7 feet until early morning. waves occasionally around
10 feet. 
.sunday...west winds 15 to 20 knots becoming northwest 20 to
25 knots with gusts to 35 knot gales in the late morning and
early afternoon...then increasing to 30 knots with gusts to
35 knot gales early in the evening decreasing to 20 to 25 knots
with gusts to around 30 knots in the late evening and early
morning. rain likely early in the morning...then a chance of
rain. a chance of snow until early morning. waves 5 to 7 feet.
waves occasionally around 10 feet. 


$$

fzus63 kdtx 112041
glflh 
expires:202511120445;;249847

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm est tue nov 11 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...increasing southwest winds today ahead of a cold
front, which tracks through the great lakes on wednesday. brief,
localized gusts to gales are possible this evening, but
especially wednesday and wednesday night over the open waters of
lake huron.


lhz362-363-120445-
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-
341 pm est tue nov 11 2025

.tonight...southwest winds to 30 knots decreasing to 15 to
20 knots. snow likely and a chance of rain in the evening...then
rain and snow likely after midnight. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.wednesday...west winds 20 to 25 knots with gusts to 35 knot
gales increasing to 30 knots with a few gusts to 35 knot gales 
late in the afternoon. a chance of rain in the morning...then rain
in the afternoon. waves 6 to 9 feet building to 10 to 14 feet 
late in the afternoon. waves occasionally around 18 feet. 
.wednesday night...west winds to 30 knots decreasing to 20 to
25 knots with gusts to around 30 knots in the late evening and
overnight. rain likely in the evening...then a chance of rain
after midnight. waves 10 to 14 feet. waves occasionally around
18 feet. 
.thursday...west winds 20 to 25 knots decreasing to 15 to
20 knots early in the afternoon. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.thursday night...west winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 5 to 7 feet subsiding to 3 to
5 feet after midnight. waves occasionally around 10 feet. 
.friday...northwest winds 10 to 15 knots becoming north 5 to
10 knots late in the morning...then becoming east 10 to 15 knots
late in the evening. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...southeast winds 10 to 15 knots becoming south 20 to
25 knots. a chance of rain until early evening. rain likely in
the late evening and early morning. waves 3 to 5 feet building to
5 to 7 feet until early morning. waves occasionally around
10 feet. 
.sunday...southwest winds 20 to 25 knots becoming northwest to
30 knots with gusts to 35 knot gales. rain likely early in the
morning...then a chance of rain. a chance of snow in the late
evening and early morning. waves 6 to 9 feet. waves occasionally
around 12 feet. 


$$

fzus63 kdtx 112041
glflh 
expires:202511120445;;249848

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm est tue nov 11 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...increasing southwest winds today ahead of a cold
front, which tracks through the great lakes on wednesday. brief,
localized gusts to gales are possible this evening, but
especially wednesday and wednesday night over the open waters of
lake huron.


lhz462>464-120445-
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-
341 pm est tue nov 11 2025

.tonight...southwest winds to 30 knots decreasing to 15 to
20 knots. snow likely in the evening...then rain and snow likely
after midnight. waves 6 to 9 feet. waves occasionally around
12 feet. 
.wednesday...west winds 20 to 25 knots. a few gusts to 35 knot 
gales in the late morning and afternoon. rain likely. waves 6 to 9
feet building to 8 to 12 feet late in the afternoon. waves 
occasionally around 15 feet. 
.wednesday night...west winds to 30 knots decreasing to 20 to
25 knots with gusts to around 30 knots in the late evening and
overnight. a chance of rain in the evening. waves 8 to 12 feet.
waves occasionally around 15 feet. 
.thursday...west winds 20 to 25 knots decreasing to 15 to
20 knots in the late morning and afternoon. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.thursday night...west winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 3 to 5 feet. 
.friday...west winds 10 to 15 knots becoming northwest 5 to
10 knots late in the morning...then becoming east 10 to 15 knots
late in the evening. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...southeast winds 10 to 15 knots becoming south 20 to
25 knots. a chance of rain in the late morning and early
afternoon. rain likely until early morning. waves 3 to 5 feet
building to 4 to 6 feet in the late evening and early morning.
waves occasionally around 8 feet. 
.sunday...southwest winds 20 to 25 knots veering to the west with
gusts to around 30 knots in the late morning and early
afternoon...then becoming northwest to 30 knots until early
morning. rain likely early in the morning...then a chance of
rain. waves 5 to 7 feet building to 8 to 12 feet until early
morning. waves occasionally around 15 feet. 


$$

fzus63 kmkx 112107
glflm 
expires:202511120415;;251489

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 pm cst tue nov 11 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...

a gale warning remains in effect into this evening for breezy 
southwest winds. the winds will remain just under gale force in 
the north. brisk west to northwest winds will then prevail late 
tonight through wednesday. the winds may briefly approach gales, 
but are anticipated to remain below criteria. much lighter winds 
are then expected wednesday night into thursday and thursday night
as high pressure of 30.2 inches approaches from the west.



lmz261-362-364-366-563-565-120415-
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-
307 pm cst tue nov 11 2025

two rivers wi to manistee mi north...

.tonight...west winds to 30 kt. chance of rain. waves 7 to 10 ft
occasionally to 13 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.wednesday...northwest winds to 30 kt. slight chance of rain in
the morning, then chance of rain in the afternoon. waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.wednesday night...northwest gales to 35 kt diminishing to 30 kt.
chance of rain in the evening. waves 4 to 7 ft occasionally to
9 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.thursday...west winds 15 to 25 kt. waves 3 to 5 ft. 
.thursday night...west winds 10 to 20 kt becoming northwest 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.friday...east winds 10 to 15 kt becoming southeast 10 to 20 kt.
waves 1 to 3 ft. 
.friday night...southeast winds 10 to 20 kt increasing to 15 to
25 kt. waves 3 to 5 ft building to 5 to 8 ft occasionally to
10 ft. 
.saturday...south winds 15 to 25 kt increasing to 30 kt. chance
of rain. waves 6 to 9 ft occasionally to 12 ft. 
.sunday...northwest winds to 30 kt. chance of rain. waves 4 to
7 ft occasionally to 9 ft.  

$$

fzus63 kmkx 112107
glflm 
expires:202511120415;;251490

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 pm cst tue nov 11 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...

a gale warning remains in effect into this evening for breezy 
southwest winds. the winds will remain just under gale force in 
the north. brisk west to northwest winds will then prevail late 
tonight through wednesday. the winds may briefly approach gales, 
but are anticipated to remain below criteria. much lighter winds 
are then expected wednesday night into thursday and thursday night
as high pressure of 30.2 inches approaches from the west.



lmz080-567-669-671-673-675-777-779-868-870-872-874-876-878-120415-
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-
307 pm cst tue nov 11 2025

two rivers wi to manistee mi south...

...gale warning in effect until 9 pm cst this evening...

.tonight...west gales to 35 kt diminishing to 30 kt. slight
chance of rain overnight. waves 8 to 11 ft occasionally to 14 ft
subsiding to 7 to 10 ft occasionally to 13 ft. 
.wednesday...west winds to 30 kt. slight chance of rain in the
morning. waves 8 to 11 ft occasionally to 14 ft. 
.wednesday night...northwest gales to 35 kt diminishing to 15 to
25 kt. waves 10 to 14 ft occasionally to 18 ft subsiding to 7 to
10 ft occasionally to 13 ft. 
.thursday...west winds 10 to 20 kt. waves 5 to 8 ft occasionally
to 10 ft subsiding to 3 to 5 ft. 
.thursday night...west winds 10 to 20 kt diminishing to 10 to
15 kt. waves 2 to 4 ft. 
.friday...southeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft building to 2 to 4 ft. 
.friday night...southeast winds 10 to 20 kt increasing to 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft
occasionally to 10 ft. 
.saturday...south winds to 30 kt. chance of rain. waves 7 to
10 ft occasionally to 13 ft. 
.sunday...northwest winds to 30 kt. waves 10 to 14 ft
occasionally to 18 ft.  

$$

fzus63 kmqt 112102
glfls 
expires:202511120900;;250744

open lake forecast for lake superior
national weather service marquette mi
401 pm est tue nov 11 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 29.3 inch low moves from northern manitoba to hudson bay through 
tonight, sending a 29.5 inch trough across the lake this afternoon 
and evening. by wednesday night, the lake will be between 30.1 inch 
ridging over the midwest and a deep 28.4 inch low over labrador. 
ridging builds to 30.0 inches over the lake thursday night ahead of 
a 29.4 inch trough moving out of the northern rockies. this trough 
will move through lake superior late saturday into sunday.



lsz162-120900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm est tue nov 11 2025 /301 pm cst tue nov 11 2025/

.late this afternoon...west winds 20 to 30 knots. a slight chance
of rain showers. waves 3 to 5 feet occasionally to 7 feet. 
.tonight...west winds 20 to 30 knots becoming northwest to
30 knots with a few gale force gusts to 35 knots possible by
midnight. isolated rain showers in the evening. waves building to
4 to 7 feet occasionally to 9 feet. 
.wednesday...northwest winds 20 to 30 knots backing west. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots by midnight, then backing west late. waves
subsiding to 2 to 4 feet. 
.thursday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.thursday night...west winds 5 to 15 knots backing east after
midnight. waves calm to 2 feet. 
.friday...southeast winds 10 to 20 knots backing east in the
afternoon. waves building to 1 to 3 feet. 
.friday night...southeast winds 10 to 20 knots veering south
after midnight. waves building to 2 to 4 feet. 
.saturday...south winds 10 to 20 knots becoming northwest 15 to
25 knots. a chance of rain showers. waves subsiding to calm to
2 feet. 
.sunday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 112102
glfls 
expires:202511120900;;250745

open lake forecast for lake superior
national weather service marquette mi
401 pm est tue nov 11 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 29.3 inch low moves from northern manitoba to hudson bay through 
tonight, sending a 29.5 inch trough across the lake this afternoon 
and evening. by wednesday night, the lake will be between 30.1 inch 
ridging over the midwest and a deep 28.4 inch low over labrador. 
ridging builds to 30.0 inches over the lake thursday night ahead of 
a 29.4 inch trough moving out of the northern rockies. this trough 
will move through lake superior late saturday into sunday.



lsz263-120900-
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-
401 pm est tue nov 11 2025

...gale warning in effect from 1 am est wednesday through
wednesday evening...

.late this afternoon...west winds 15 to 25 knots. a chance of
snow and rain showers. waves 4 to 7 feet occasionally to 9 feet. 
.tonight...west winds 20 to 30 knots veering northwest by
midnight, then increasing to gales to 35 knots late. isolated
rain showers. waves building to 6 to 9 feet occasionally to
11 feet. 
.wednesday...northwest gales to 35 knots. waves building to 7 to
10 feet occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.wednesday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots by midnight, then backing west late. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday...west winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.thursday night...northwest winds 10 to 20 knots becoming east
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...southeast winds 5 to 15 knots increasing to 15 to
25 knots in the afternoon. waves building to 1 to 3 feet. 
.friday night...southeast winds 15 to 25 knots veering south
after midnight. waves building to 3 to 6 feet occasionally to
8 feet. 
.saturday...south winds 15 to 25 knots becoming northwest 20 to
30 knots. a chance of rain showers. waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.sunday...northwest winds 20 to 30 knots. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 

$$

fzus63 kmqt 112102
glfls 
expires:202511120900;;250746

open lake forecast for lake superior
national weather service marquette mi
401 pm est tue nov 11 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 29.3 inch low moves from northern manitoba to hudson bay through 
tonight, sending a 29.5 inch trough across the lake this afternoon 
and evening. by wednesday night, the lake will be between 30.1 inch 
ridging over the midwest and a deep 28.4 inch low over labrador. 
ridging builds to 30.0 inches over the lake thursday night ahead of 
a 29.4 inch trough moving out of the northern rockies. this trough 
will move through lake superior late saturday into sunday.



lsz264-120900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm est tue nov 11 2025

...gale warning in effect from 1 am est wednesday through late
wednesday night...

.late this afternoon...west winds 15 to 25 knots. a chance of
rain showers, possibly mixed with snow. waves 4 to 7 feet
occasionally to 9 feet. 
.tonight...west winds 20 to 30 knots veering northwest by
midnight, then increasing to gales to 35 knots late. scattered
rain showers. waves building to 6 to 9 feet occasionally to
11 feet. 
.wednesday...northwest gales to 35 knots. isolated rain showers
in the morning. waves building to 6 to 10 feet occasionally to
13 feet. 
.wednesday night...northwest gales to 35 knots diminishing to
20 to 30 knots by midnight. waves subsiding to 4 to 7 feet
occasionally to 9 feet. 
.thursday...west winds 20 to 30 knots. waves building to 5 to
8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.thursday night...northwest winds 15 to 25 knots becoming north
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...southeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 2 to 4 feet. 
.friday night...southeast winds 20 to 30 knots veering south
after midnight. waves building to 6 to 9 feet occasionally to
11 feet. 
.saturday...south gales to 35 knots becoming northwest 20 to
30 knots. rain showers likely, then a chance of rain showers.
waves building to 7 to 10 feet occasionally to 13 feet, then
subsiding to 4 to 7 feet occasionally to 9 feet. 
.sunday...northwest gales to 35 knots diminishing to 20 to
30 knots. a chance of snow showers. waves subsiding to 3 to
6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 112102
glfls 
expires:202511120900;;250747

open lake forecast for lake superior
national weather service marquette mi
401 pm est tue nov 11 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 29.3 inch low moves from northern manitoba to hudson bay through 
tonight, sending a 29.5 inch trough across the lake this afternoon 
and evening. by wednesday night, the lake will be between 30.1 inch 
ridging over the midwest and a deep 28.4 inch low over labrador. 
ridging builds to 30.0 inches over the lake thursday night ahead of 
a 29.4 inch trough moving out of the northern rockies. this trough 
will move through lake superior late saturday into sunday.



lsz265-120900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm est tue nov 11 2025

...gale warning in effect from 1 am est wednesday through late
wednesday night...

.late this afternoon...west winds 20 to 30 knots. a chance of
rain showers. waves 2 to 4 feet. 
.tonight...west winds 20 to 30 knots becoming northwest gales to
40 knots by midnight. scattered rain showers. waves building to
5 to 8 feet occasionally to 10 feet. 
.wednesday...northwest gales to 40 knots. scattered rain showers.
waves building to 6 to 9 feet occasionally to 11 feet. 
.wednesday night...northwest gales to 40 knots. waves subsiding
to 4 to 7 feet occasionally to 9 feet. 
.thursday...west winds 20 to 30 knots. waves subsiding to 2 to
4 feet. 
.thursday night...northwest winds 15 to 25 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...southeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 1 to 3 feet. 
.friday night...southeast winds 20 to 30 knots veering south
after midnight. waves building to 3 to 6 feet occasionally to
8 feet. 
.saturday...south winds 20 to 30 knots becoming northwest gales
to 35 knots. rain showers likely. waves subsiding to 2 to 4 feet.
.sunday...northwest gales to 35 knots. a chance of rain and snow
showers. waves building to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 112102
glfls 
expires:202511120900;;250748

open lake forecast for lake superior
national weather service marquette mi
401 pm est tue nov 11 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 29.3 inch low moves from northern manitoba to hudson bay through 
tonight, sending a 29.5 inch trough across the lake this afternoon 
and evening. by wednesday night, the lake will be between 30.1 inch 
ridging over the midwest and a deep 28.4 inch low over labrador. 
ridging builds to 30.0 inches over the lake thursday night ahead of 
a 29.4 inch trough moving out of the northern rockies. this trough 
will move through lake superior late saturday into sunday.



lsz266-120900-
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-
401 pm est tue nov 11 2025

...gale warning in effect from 1 am est wednesday through late
wednesday night...

.late this afternoon...west winds 15 to 25 knots. a chance of
rain showers, possibly mixed with snow. waves 3 to 6 feet
occasionally to 8 feet building to 4 to 7 feet occasionally to
9 feet. 
.tonight...west winds 20 to 30 knots veering northwest by
midnight, then increasing to gales to 35 knots late. numerous
rain showers, possibly mixed with snow in the evening, then
scattered rain showers after midnight. waves building to 7 to
10 feet occasionally to 13 feet. 
.wednesday...northwest gales to 40 knots. scattered rain showers.
waves building to 9 to 12 feet occasionally to 15 feet. 
.wednesday night...northwest gales to 40 knots. scattered rain
showers, possibly mixed with snow. waves subsiding to 7 to
10 feet occasionally to 13 feet. 
.thursday...west winds 20 to 30 knots. waves subsiding to 5 to
8 feet occasionally to 10 feet. 
.thursday night...northwest winds 15 to 25 knots becoming north
5 to 15 knots after midnight. waves subsiding to 2 to 4 feet. 
.friday...southeast winds 5 to 15 knots increasing to 15 to
25 knots in the afternoon. waves subsiding to calm to 2 feet,
then building to 2 to 4 feet. 
.friday night...southeast winds 20 to 30 knots veering south
after midnight. waves building to 6 to 9 feet occasionally to
11 feet. 
.saturday...south gales to 35 knots becoming northwest 20 to
30 knots. rain showers. waves building to 7 to 10 feet
occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.sunday...northwest gales to 35 knots. a chance of rain and snow
showers. waves building to 7 to 10 feet occasionally to 13 feet,
then subsiding to 4 to 7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 112102
glfls 
expires:202511120900;;250749

open lake forecast for lake superior
national weather service marquette mi
401 pm est tue nov 11 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 29.3 inch low moves from northern manitoba to hudson bay through 
tonight, sending a 29.5 inch trough across the lake this afternoon 
and evening. by wednesday night, the lake will be between 30.1 inch 
ridging over the midwest and a deep 28.4 inch low over labrador. 
ridging builds to 30.0 inches over the lake thursday night ahead of 
a 29.4 inch trough moving out of the northern rockies. this trough 
will move through lake superior late saturday into sunday.



lsz267-120900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm est tue nov 11 2025

...gale warning in effect from 1 am est wednesday through late
wednesday night...

.late this afternoon...southwest winds 20 to 30 knots. a chance
of snow showers, possibly mixed with rain. waves 3 to 6 feet
occasionally to 8 feet. 
.tonight...west winds 15 to 25 knots becoming northwest 20 to
30 knots by midnight, then increasing to gales to 35 knots late.
scattered snow showers in the evening. rain showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
7 to 10 feet occasionally to 13 feet. 
.wednesday...northwest gales to 40 knots. numerous rain showers
in the morning, then scattered rain showers in the afternoon.
waves building to 9 to 12 feet occasionally to 15 feet. 
.wednesday night...northwest gales to 40 knots. scattered rain
showers. isolated snow showers after midnight. waves subsiding to
7 to 10 feet occasionally to 13 feet. 
.thursday...northwest gales to 35 knots backing west in the
afternoon. isolated rain showers. waves subsiding to 5 to 8 feet
occasionally to 10 feet. 
.thursday night...northwest winds 15 to 25 knots becoming north
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.friday...east winds 10 to 20 knots veering southeast in the
afternoon. waves subsiding to calm to 2 feet. 
.friday night...southeast winds 15 to 25 knots increasing to
20 to 30 knots after midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.saturday...southeast gales to 35 knots veering northwest. rain
showers. waves building to 4 to 7 feet occasionally to 9 feet. 
.sunday...northwest gales to 35 knots diminishing to 20 to
30 knots. rain showers. snow showers likely. waves building to
7 to 10 feet occasionally to 13 feet, then subsiding to 4 to
7 feet occasionally to 9 feet. 

$$