fzus63 kdtx 122034
glflh 
expires:202511130445;;304129

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm est wed nov 12 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...moderate to strong west-northwest winds persist
through the night as colder air filters in. a few sporadic gusts
to gales possible over northern lake huron. high pressure, 30.10
inches, then expands over the region thursday into friday.


lhz361-362-130445-
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-
334 pm est wed nov 12 2025

.tonight...west winds to 30 knots decreasing to 20 to 25 knots
after midnight. sporadic gusts to 35 knot gales. a chance of 
showers. waves 8 to 12 feet. waves occasionally around 15 feet. 
.thursday...west winds 20 to 25 knots with gusts to around
30 knots. waves 8 to 12 feet. waves occasionally around 15 feet. 
.thursday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots in the late evening and overnight. waves 5 to
7 feet. waves occasionally around 10 feet. 
.friday...northwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.friday night...east winds 5 to 10 knots becoming southeast 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet. 
.saturday...south winds 15 to 20 knots becoming southwest 20 to
25 knots late in the afternoon...then becoming northwest to
30 knots with gusts to 35 knot gales late in the evening. a
chance of rain in the morning...then rain likely. snow likely
late in the evening. waves 5 to 7 feet building to 8 to 12 feet
late in the evening. waves occasionally around 15 feet. 
.sunday...northwest winds to 30 knots increasing to 35 knot gales
until early evening...then decreasing to 20 to 25 knots in the
late evening and early morning. gusts to 40 knot gales decreasing
to 30 knots in the late evening and early morning. a chance of
rain and snow early in the morning...then snow likely in the late
morning and early afternoon. a chance of snow until early
morning. waves 10 to 14 feet. waves occasionally around 18 feet.
a gale warning may be needed. 
.monday...northwest winds 20 to 25 knots decreasing to 5 to
10 knots. waves 6 to 9 feet subsiding to 3 to 5 feet in the late
evening and early morning. waves occasionally around 12 feet. 


$$

fzus63 kdtx 122034
glflh 
expires:202511130445;;304130

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm est wed nov 12 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...moderate to strong west-northwest winds persist
through the night as colder air filters in. a few sporadic gusts
to gales possible over northern lake huron. high pressure, 30.10
inches, then expands over the region thursday into friday.


lhz363-462-130445-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
334 pm est wed nov 12 2025

.tonight...west winds to 30 knots decreasing to 20 to 25 knots in
the late evening and overnight. a chance of showers. waves 8 to
12 feet. waves occasionally around 15 feet. 
.thursday...west winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the 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 in the late evening and overnight. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.friday...northwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.friday night...northeast winds 5 to 10 knots becoming southeast
10 to 15 knots in the late evening and overnight. waves 1 to
3 feet. 
.saturday...south winds 15 to 20 knots increasing to 20 to
25 knots late in the afternoon...then becoming west to 30 knots
late in the evening. rain likely late in the morning. a chance of
rain late in the evening. waves 5 to 7 feet building to 6 to
9 feet late in the evening. waves occasionally around 12 feet. 
.sunday...northwest winds to 30 knots increasing to 35 knot gales
until early evening...then decreasing to 30 knots in the late
evening and early morning. gusts to 40 knot gales. a chance of
rain. a chance of snow. waves 10 to 14 feet. waves occasionally
around 18 feet. a gale warning may be needed. 
.monday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. a chance of snow early in
the morning. waves 8 to 12 feet subsiding to 3 to 5 feet in the
late evening and early morning. waves occasionally around
15 feet. 


$$

fzus63 kmkx 122100
glflm 
expires:202511130415;;304980

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
300 pm cst wed nov 12 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...

brisk northwest winds will continue into this evening as low 
pressure around 29.6 inches gradually pushes out of the great 
lakes region. the low will push east tonight as higher pressure
around 30.1 inches and a weaker pressure gradient move in from 
the west. this surface high will then move east across the lake 
thursday night with light winds becoming variable. modest 
southeast winds will then develop for friday as another strong low
begins to move east across southern canada. breezy southerly 
winds will develop friday night into saturday as the canadian low 
continues eastward. its strong cold frontal passage will then 
shift winds to brisk northwesterly for saturday night into sunday 
over the lake. gales will be possible on the cold advection side 
behind the frontal passage sunday.


lmz261-362-364-366-563-565-567-868-130415-
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-
300 pm cst wed nov 12 2025

sheboygan wi to pentwater mi north...

.tonight...northwest winds to 30 kt. slight chance of rain this
evening. waves 4 to 7 ft occasionally to 9 ft. 
.thursday...west winds 15 to 25 kt. waves 4 to 6 ft occasionally
to 8 ft subsiding to 3 to 5 ft. 
.thursday night...west winds 10 to 20 kt becoming northwest 5 to
10 kt after midnight, then becoming north late. waves 2 to 4 ft
subsiding to 1 to 2 ft. 
.friday...southeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft building to 1 to 3 ft. 
.friday night...south winds 10 to 20 kt increasing to 15 to
25 kt. waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft. 
.saturday...south winds 15 to 25 kt becoming west to 30 kt.
chance of rain. waves 5 to 8 ft occasionally to 10 ft. 
.saturday night...northwest gales to 35 kt increasing to gales to
40 kt. chance of rain and snow. waves 6 to 9 ft occasionally to
12 ft building to 8 to 11 ft occasionally to 14 ft. 
.sunday...northwest gales to 35 kt. chance of snow. waves 8 to
11 ft occasionally to 14 ft subsiding to 7 to 10 ft occasionally
to 13 ft. 
.monday...northwest winds 10 to 20 kt. waves 3 to 5 ft subsiding
to 1 to 3 ft.  

$$

fzus63 kmkx 122100
glflm 
expires:202511130415;;304981

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
300 pm cst wed nov 12 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...

brisk northwest winds will continue into this evening as low 
pressure around 29.6 inches gradually pushes out of the great 
lakes region. the low will push east tonight as higher pressure
around 30.1 inches and a weaker pressure gradient move in from 
the west. this surface high will then move east across the lake 
thursday night with light winds becoming variable. modest 
southeast winds will then develop for friday as another strong low
begins to move east across southern canada. breezy southerly 
winds will develop friday night into saturday as the canadian low 
continues eastward. its strong cold frontal passage will then 
shift winds to brisk northwesterly for saturday night into sunday 
over the lake. gales will be possible on the cold advection side 
behind the frontal passage sunday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-130415-
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-
300 pm cst wed nov 12 2025

sheboygan wi to pentwater mi south...

.tonight...northwest winds to 30 kt diminishing to 15 to 25 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.thursday...northwest winds 10 to 20 kt becoming west. waves 4 to
7 ft occasionally to 9 ft subsiding to 3 to 5 ft. 
.thursday night...southwest winds 10 to 20 kt diminishing to
10 to 15 kt late in the evening, then diminishing to 5 to 10 kt
after midnight becoming south late. waves 2 to 4 ft. 
.friday...south winds 10 to 15 kt. waves 1 to 3 ft. 
.friday night...south winds 10 to 20 kt. waves 2 to 4 ft building
to 4 to 6 ft occasionally to 8 ft. 
.saturday...south winds 15 to 25 kt becoming southwest to 30 kt.
chance of rain in the afternoon. waves 5 to 8 ft occasionally to
10 ft. 
.saturday night...northwest winds to 30 kt increasing to gales to
35 kt. waves 8 to 12 ft occasionally to 16 ft building to 12 to
16 ft occasionally to 21 ft. 
.sunday...northwest gales to 35 kt. waves 12 to 16 ft
occasionally to 21 ft. 
.monday...northwest winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft.  

$$

fzus63 kmqt 122108 cca
glfls 
expires:202511130900;;306099

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm est wed nov 12 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...

ridging progressively builds over lake superior tonight into 
thursday, eventually peaking at 30.0 to 30.1 inches thursday night 
ahead of a 29.2 inch low lifting out of alberta. this low looks to 
bring troughing of around 29.4 inches across lake superior on 
saturday. by the end of the weekend, lake superior looks to be 
between low pressure of near 28.7 inches over the canadian maritimes 
and high pressure of near 30.1 inches over the canadian prairies. 
ridging then builds in from the canadian prairies and plains over 
lake superior to 30.1 to 30.2 inches by monday night.



lsz162-130900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
408 pm est wed nov 12 2025 /308 pm cst wed nov 12 2025/

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

$$

fzus63 kmqt 122108 cca
glfls 
expires:202511130900;;306100

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm est wed nov 12 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...

ridging progressively builds over lake superior tonight into 
thursday, eventually peaking at 30.0 to 30.1 inches thursday night 
ahead of a 29.2 inch low lifting out of alberta. this low looks to 
bring troughing of around 29.4 inches across lake superior on 
saturday. by the end of the weekend, lake superior looks to be 
between low pressure of near 28.7 inches over the canadian maritimes 
and high pressure of near 30.1 inches over the canadian prairies. 
ridging then builds in from the canadian prairies and plains over 
lake superior to 30.1 to 30.2 inches by monday night.



lsz263-130900-
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-
408 pm est wed nov 12 2025

...gale warning in effect until 7 pm est this evening...

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

$$

fzus63 kmqt 122108 cca
glfls 
expires:202511130900;;306101

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm est wed nov 12 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...

ridging progressively builds over lake superior tonight into 
thursday, eventually peaking at 30.0 to 30.1 inches thursday night 
ahead of a 29.2 inch low lifting out of alberta. this low looks to 
bring troughing of around 29.4 inches across lake superior on 
saturday. by the end of the weekend, lake superior looks to be 
between low pressure of near 28.7 inches over the canadian maritimes 
and high pressure of near 30.1 inches over the canadian prairies. 
ridging then builds in from the canadian prairies and plains over 
lake superior to 30.1 to 30.2 inches by monday night.



lsz264-130900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
408 pm est wed nov 12 2025

...gale warning in effect until 1 am est thursday...

.late this afternoon...northwest gales to 35 knots. a slight
chance of rain showers. waves 8 to 11 feet occasionally to
14 feet. 
.tonight...northwest gales to 35 knots becoming west 20 to
30 knots late. waves subsiding to 5 to 8 feet occasionally to
10 feet. 
.thursday...west winds 20 to 30 knots. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.thursday night...north winds 10 to 20 knots diminishing to 5 to
15 knots by midnight, then veering east late. 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 3 to 5 feet
occasionally to 7 feet. 
.friday night...south winds 15 to 25 knots. waves building to
4 to 7 feet occasionally to 9 feet. 
.saturday...west winds 15 to 25 knots increasing to gales to
35 knots in the afternoon. a chance of rain showers. waves
building to 5 to 8 feet occasionally to 10 feet. 
.saturday night...northwest gales to 40 knots. waves building to
10 to 14 feet occasionally to 18 feet. 
.sunday...northwest gales to 40 knots. waves subsiding to 4 to
7 feet occasionally to 9 feet. 
.monday...northwest winds 10 to 20 knots becoming north 5 to
15 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 

$$

fzus63 kmqt 122108 cca
glfls 
expires:202511130900;;306102

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm est wed nov 12 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...

ridging progressively builds over lake superior tonight into 
thursday, eventually peaking at 30.0 to 30.1 inches thursday night 
ahead of a 29.2 inch low lifting out of alberta. this low looks to 
bring troughing of around 29.4 inches across lake superior on 
saturday. by the end of the weekend, lake superior looks to be 
between low pressure of near 28.7 inches over the canadian maritimes 
and high pressure of near 30.1 inches over the canadian prairies. 
ridging then builds in from the canadian prairies and plains over 
lake superior to 30.1 to 30.2 inches by monday night.



lsz265-130900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
408 pm est wed nov 12 2025

...gale warning in effect through thursday morning...

.late this afternoon...northwest gales to 40 knots. a slight
chance of rain showers. waves 7 to 10 feet occasionally to
13 feet. 
.tonight...northwest gales to 45 knots becoming west gales to
35 knots late. waves subsiding to 4 to 7 feet occasionally to
9 feet. 
.thursday...west gales to 35 knots diminishing to 20 to 30 knots
by mid afternoon. waves subsiding to 2 to 4 feet. 
.thursday night...northwest winds 15 to 25 knots becoming north
5 to 15 knots by midnight, then veering east late. 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...south winds 20 to 30 knots. waves building to
2 to 4 feet. 
.saturday...southwest winds 15 to 25 knots becoming west gales to
35 knots in the afternoon. a chance of showers in the morning,
then showers likely in the afternoon. waves building to 4 to
7 feet occasionally to 9 feet. 
.saturday night...northwest gales to 45 knots. a chance of rain
showers in the evening. a chance of snow showers. waves building
to 8 to 11 feet occasionally to 14 feet. 
.sunday...northwest gales to 40 knots. a chance of snow showers.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.monday...northwest winds 15 to 25 knots becoming north 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 122108 cca
glfls 
expires:202511130900;;306103

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm est wed nov 12 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...

ridging progressively builds over lake superior tonight into 
thursday, eventually peaking at 30.0 to 30.1 inches thursday night 
ahead of a 29.2 inch low lifting out of alberta. this low looks to 
bring troughing of around 29.4 inches across lake superior on 
saturday. by the end of the weekend, lake superior looks to be 
between low pressure of near 28.7 inches over the canadian maritimes 
and high pressure of near 30.1 inches over the canadian prairies. 
ridging then builds in from the canadian prairies and plains over 
lake superior to 30.1 to 30.2 inches by monday night.



lsz266-130900-
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-
408 pm est wed nov 12 2025

...gale warning in effect through thursday morning...

.late this afternoon...northwest gales to 40 knots. a chance of
rain showers. waves 10 to 14 feet occasionally to 18 feet. 
.tonight...northwest gales to 40 knots. a chance of rain showers.
waves subsiding to 9 to 12 feet occasionally to 15 feet. 
.thursday...west winds 20 to 30 knots veering northwest by mid
afternoon. a slight chance of rain showers in the morning. 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 by midnight. waves subsiding to 1 to 3 feet. 
.friday...southeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves subsiding to calm to 2 feet,
then building to 3 to 5 feet occasionally to 7 feet. 
.friday night...south winds 20 to 30 knots. a chance of rain
showers after midnight. waves building to 4 to 8 feet
occasionally to 10 feet. 
.saturday...south winds 20 to 30 knots becoming west gales to
35 knots in the afternoon. a chance of showers in the morning,
then showers in the afternoon. waves building to 7 to 10 feet
occasionally to 13 feet. 
.saturday night...northwest gales to 40 knots. rain showers,
possibly mixed with snow in the evening, then snow showers after
midnight. waves building to 12 to 17 feet occasionally to
21 feet. 
.sunday...northwest gales to 40 knots. snow showers likely, then
a chance of snow showers. waves subsiding to 6 to 9 feet
occasionally to 11 feet. 
.monday...northwest winds 15 to 25 knots becoming north 10 to
20 knots. a chance of rain showers, possibly mixed with snow.
waves subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 122108 cca
glfls 
expires:202511130900;;306104

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm est wed nov 12 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...

ridging progressively builds over lake superior tonight into 
thursday, eventually peaking at 30.0 to 30.1 inches thursday night 
ahead of a 29.2 inch low lifting out of alberta. this low looks to 
bring troughing of around 29.4 inches across lake superior on 
saturday. by the end of the weekend, lake superior looks to be 
between low pressure of near 28.7 inches over the canadian maritimes 
and high pressure of near 30.1 inches over the canadian prairies. 
ridging then builds in from the canadian prairies and plains over 
lake superior to 30.1 to 30.2 inches by monday night.



lsz267-130900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
408 pm est wed nov 12 2025

...gale warning in effect until 1 am est thursday...

.late this afternoon...northwest gales to 40 knots. a chance of
rain showers. waves 10 to 14 feet occasionally to 18 feet. 
.tonight...northwest gales to 40 knots. rain showers likely in
the evening, then a slight chance of rain showers after midnight.
waves subsiding to 10 to 14 feet occasionally to 18 feet. 
.thursday...northwest gales to 35 knots. a chance of rain
showers. waves subsiding to 6 to 9 feet occasionally to 11 feet. 
.thursday night...northwest winds 20 to 30 knots diminishing to
10 to 20 knots by midnight, then veering north late. a slight
chance of rain showers in the evening. waves subsiding to 1 to
3 feet. 
.friday...east winds 10 to 20 knots veering southeast in the
afternoon. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.friday night...southeast winds 15 to 25 knots becoming south
20 to 30 knots after midnight. a chance of rain showers after
midnight. waves building to 3 to 6 feet occasionally to 8 feet. 
.saturday...south winds 20 to 30 knots veering west in the
afternoon. showers. waves building to 7 to 10 feet occasionally
to 13 feet. 
.saturday night...northwest gales to 40 knots. rain showers in
the evening, then snow showers after midnight. waves building to
12 to 17 feet occasionally to 21 feet. 
.sunday...northwest gales to 40 knots. snow showers. waves
subsiding to 6 to 9 feet occasionally to 11 feet. 
.monday...northwest winds 15 to 25 knots becoming north 10 to
20 knots. a chance of rain and snow showers. waves subsiding to
1 to 3 feet. 

$$