fzus63 kdtx 270242
glflh 
expires:202511271045;;570409

open lake forecast for lake huron
national weather service detroit/pontiac mi
942 pm est wed nov 26 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...low pressure, 29.30 inches, begins to depart for
northeastern ontario thursday setting up northwesterly flow in
its wake. despite departure, influence of the system maintains
strong winds and lake effect snow showers through thursday into
early friday. high pressure, 30.40 inches, then gradually expands
across the region friday into saturday. another low, 29.60
inches, is forecast to lift across the southern great lakes from
the midwest saturday night and sunday, bringing widespread snow
with a chance for gusty winds in the wake of the system sunday
night.


lhz361-362-271045-
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-
942 pm est wed nov 26 2025

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

.rest of tonight...southwest winds 20 to 25 knots becoming west
to 30 knots after midnight. gusts to 35 knot gales. rain and
snow. waves 10 to 14 feet. waves occasionally around 18 feet. 
.thursday...northwest winds to 30 knots with gusts to 35 knot
gales. snow. waves 12 to 16 feet. waves occasionally around
20 feet. 
.thursday night...northwest winds to 30 knots with gusts to
35 knot gales. snow in the evening...then a chance of snow after
midnight. waves 12 to 16 feet. waves occasionally around 20 feet.
.friday...northwest winds to 30 knots decreasing to 20 to
25 knots in the late morning and afternoon. a chance of snow.
waves 10 to 14 feet. waves occasionally around 18 feet. 
.friday night...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 10 to 15 knots. a chance of snow.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.saturday...west winds 5 to 10 knots backing to the southwest
late in the morning...then becoming south 10 to 15 knots late in
the afternoon increasing to 15 to 20 knots late in the evening. a
chance of snow late in the morning. snow late in the afternoon.
waves 3 to 5 feet subsiding to 1 to 3 feet late in the morning...
then building to 3 to 5 feet late in the afternoon building to
6 to 9 feet late in the evening. waves occasionally around
12 feet. 
.sunday...south winds 15 to 20 knots veering to the southwest in
the late morning and early afternoon...then becoming northwest
20 to 25 knots early in the evening decreasing to 15 to 20 knots
in the late evening and early morning. snow early in the morning.
a chance of snow until early morning. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.monday...west winds 10 to 15 knots backing to the southwest in
the late evening and early morning. a chance of snow early in the
morning. a chance of snow until early morning. waves 4 to 6 feet
subsiding to 2 to 4 feet until early morning. waves occasionally
around 8 feet. 


$$

fzus63 kdtx 270242
glflh 
expires:202511271045;;570410

open lake forecast for lake huron
national weather service detroit/pontiac mi
942 pm est wed nov 26 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...low pressure, 29.30 inches, begins to depart for
northeastern ontario thursday setting up northwesterly flow in
its wake. despite departure, influence of the system maintains
strong winds and lake effect snow showers through thursday into
early friday. high pressure, 30.40 inches, then gradually expands
across the region friday into saturday. another low, 29.60
inches, is forecast to lift across the southern great lakes from
the midwest saturday night and sunday, bringing widespread snow
with a chance for gusty winds in the wake of the system sunday
night.


lhz363-462-271045-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
942 pm est wed nov 26 2025

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

.rest of tonight...west at 35 knot gales with gusts to 40 knot
gales. rain and snow this evening...then snow and rain after
midnight. waves 12 to 16 feet. waves occasionally around 20 feet.
.thursday...west at 35 knot gales decreasing to 30 knots in the
afternoon. gusts to 40 knot gales. snow likely. waves 12 to
16 feet. waves occasionally around 20 feet. 
.thursday night...northwest winds to 30 knots with gusts to
35 knot gales. snow in the evening...then snow likely after
midnight. waves 12 to 16 feet. waves occasionally around 20 feet.
.friday...northwest winds to 30 knots decreasing to 20 to
25 knots early in the afternoon. gusts to 35 knot gales. a chance
of snow. waves 10 to 14 feet. waves occasionally around 18 feet. 
.friday night...northwest winds 20 to 25 knots with gusts to
around 30 knots becoming west 10 to 15 knots. a chance of snow.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.saturday...west winds 5 to 10 knots becoming southwest 10 to
15 knots late in the morning...then becoming south 15 to 20 knots
late in the afternoon increasing to 20 to 25 knots late in the
evening. a chance of snow late in the morning. snow late in the
afternoon. rain late in the evening. waves 3 to 5 feet subsiding
to 1 to 3 feet late in the morning...then building to 4 to 6 feet
late in the afternoon building to 6 to 9 feet late in the
evening. waves occasionally around 12 feet. 
.sunday...south winds 20 to 25 knots with gusts to around
30 knots veering to the west with gusts to around 30 knots until
early morning. rain and snow early in the morning. a chance of
snow until early morning. waves 8 to 12 feet. waves occasionally
around 15 feet. 
.monday...west winds 15 to 20 knots decreasing to 10 to 15 knots.
a chance of snow in the late evening and early morning. waves
4 to 6 feet subsiding to 2 to 4 feet until early morning. waves
occasionally around 8 feet. 


$$

fzus63 kmkx 270259
glflm 
expires:202511271015;;570919

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 pm cst wed nov 26 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...

low pressure of 29.3 inches will continue east into northwestern
lake huron this evening. very strong southwest gusts will continue
across the lake into tonight. storm force gusts continue over the
southern two thirds of the lake, with high end gales more likely 
over the northern third of the lake. 

storm force gusts will then likely ease to high end gales around
midnight tonight, and gales will continue through thursday and
into thursday evening to early friday morning before subsiding
over the lake. light westerly winds will set up across the lake
friday night and turn to southerly by saturday morning.


lmz261-362-364-563-271015-
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-
859 pm cst wed nov 26 2025

sturgeon bay wi to point betsie mi north...

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

.rest of tonight...northwest gales to 45 kt. snow with rain
likely through early evening, then snow overnight. waves 14 to
18 ft occasionally to 23 ft. 
.thursday...northwest gales to 45 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 45 kt diminishing to gales
to 40 kt. snow in the evening, then chance of snow overnight.
waves 8 to 12 ft occasionally to 16 ft subsiding to 7 to 10 ft
occasionally to 13 ft. 
.friday...northwest gales to 35 kt diminishing to 30 kt. chance
of snow. waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
6 ft occasionally to 8 ft. 
.friday night...northwest winds 15 to 25 kt diminishing to 10 to
15 kt overnight. chance of snow in the evening. waves 2 to 4 ft
subsiding to 1 to 3 ft. 
.saturday...southwest winds 10 to 15 kt backing to southeast
10 to 20 kt. chance of snow in the morning, then snow in the
afternoon. waves 1 ft or less building to 3 to 5 ft. 
.saturday night...southeast winds 10 to 20 kt becoming east.
snow. waves 4 to 7 ft occasionally to 9 ft. 
.sunday...north winds to 30 kt becoming northwest. chance of
snow. waves 4 to 7 ft occasionally to 9 ft. 
.monday...west winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 270259
glflm 
expires:202511271015;;570920

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 pm cst wed nov 26 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...

low pressure of 29.3 inches will continue east into northwestern
lake huron this evening. very strong southwest gusts will continue
across the lake into tonight. storm force gusts continue over the
southern two thirds of the lake, with high end gales more likely 
over the northern third of the lake. 

storm force gusts will then likely ease to high end gales around
midnight tonight, and gales will continue through thursday and
into thursday evening to early friday morning before subsiding
over the lake. light westerly winds will set up across the lake
friday night and turn to southerly by saturday morning.


lmz080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-271015-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
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 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-
859 pm cst wed nov 26 2025

sturgeon bay wi to point betsie mi south...

...storm warning in effect until midnight cst tonight...
...gale warning in effect from midnight cst tonight through
thursday evening...

.rest of tonight...northwest storm force winds to 50 kt
diminishing to gales to 45 kt. chance of snow through early
evening, then slight chance of snow overnight. waves 25 to 30 ft
occasionally to 39 ft subsiding to 18 to 23 ft occasionally to
30 ft. 
.thursday...northwest gales to 40 kt. chance of flurries in the
morning, then chance of snow in the afternoon. waves 15 to 20 ft
occasionally to 26 ft subsiding to 14 to 18 ft occasionally to
23 ft. 
.thursday night...northwest gales to 40 kt diminishing to gales
to 35 kt. chance of snow. waves 14 to 18 ft occasionally to
23 ft. 
.friday...northwest winds to 30 kt diminishing to 15 to 25 kt.
chance of snow. waves 10 to 14 ft occasionally to 18 ft subsiding
to 7 to 10 ft occasionally to 13 ft. 
.friday night...west winds 10 to 15 kt becoming southwest. chance
of snow overnight. waves 4 to 6 ft occasionally to 8 ft subsiding
to 1 to 3 ft. 
.saturday...south winds 15 to 25 kt becoming southeast to 30 kt.
snow. waves 4 to 7 ft occasionally to 9 ft building to 8 to 12 ft
occasionally to 16 ft. 
.saturday night...southeast winds to 30 kt becoming southwest.
snow. waves 10 to 14 ft occasionally to 18 ft subsiding to 8 to
11 ft occasionally to 14 ft. 
.sunday...northwest gales to 35 kt. snow likely. waves 10 to
14 ft occasionally to 18 ft. 
.monday...west winds 10 to 20 kt. waves 4 to 6 ft occasionally to
8 ft subsiding to 2 to 4 ft.  

$$

fzus63 kmqt 270300
glfls 
expires:202511270900;;570959

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed nov 26 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 29.4 inch low over the straits of mackinac will shift east into 
ontario tonight and then into quebec on thanksgiving. meanwhile, a 
30.6 inch high over the canadian prairies weakens slightly to 30.5 
inches as it moves into the mississippi river valley through friday, 
with 30.3 inch high pressure persisting over lake superior friday 
through saturday. a 29.7 inch low over the southern plains saturday 
morning will track into lower michigan by sunday morning, resulting 
in 30.0 inch troughing over lake superior. a 30.4 inch high then 
rebuilds over the great lakes on monday.



lsz162-270900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est wed nov 26 2025 /900 pm cst wed nov 26 2025/

...gale warning in effect until 7 am est /6 am cst/ thursday...

.rest of tonight...northwest gales to 40 knots. a slight chance
of snow. waves 8 to 11 feet occasionally to 14 feet subsiding to
6 to 9 feet occasionally to 11 feet. 
.thursday...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. 
.thursday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots by midnight. a chance of snow showers in the
evening. waves subsiding to 2 to 4 feet. 
.friday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. a slight chance of snow showers in the
morning. waves subsiding to calm to 2 feet. 
.friday night...northwest winds 5 to 15 knots veering north after
midnight. a slight chance of snow showers after midnight. waves
calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a chance of snow in the morning, then
snow likely in the afternoon. waves calm to 2 feet. 
.saturday night...north winds 10 to 20 knots increasing to 15 to
25 knots after midnight. a chance of snow. waves building to 2 to
4 feet. 
.sunday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 
.monday...west winds 15 to 25 knots. waves building to 2 to
4 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 270300
glfls 
expires:202511270900;;570960

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed nov 26 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 29.4 inch low over the straits of mackinac will shift east into 
ontario tonight and then into quebec on thanksgiving. meanwhile, a 
30.6 inch high over the canadian prairies weakens slightly to 30.5 
inches as it moves into the mississippi river valley through friday, 
with 30.3 inch high pressure persisting over lake superior friday 
through saturday. a 29.7 inch low over the southern plains saturday 
morning will track into lower michigan by sunday morning, resulting 
in 30.0 inch troughing over lake superior. a 30.4 inch high then 
rebuilds over the great lakes on monday.



lsz263-270900-
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 pm est wed nov 26 2025

...gale warning in effect until 10 am est thursday...

.rest of tonight...north gales to 40 knots backing northwest
late. a chance of snow. waves 11 to 15 feet occasionally to
19 feet subsiding to 9 to 12 feet occasionally to 15 feet. 
.thursday...northwest gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. a chance of snow showers. waves
subsiding to 6 to 9 feet occasionally to 11 feet. 
.thursday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots late. 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 10 to
20 knots in the afternoon. a slight chance of snow showers in the
morning. waves subsiding to calm to 2 feet. 
.friday night...northwest winds 5 to 15 knots. a slight chance of
snow showers after midnight. waves calm to 2 feet. 
.saturday...north winds 5 to 15 knots veering northeast in the
afternoon. a chance of snow. waves calm to 2 feet. 
.saturday night...northeast winds 10 to 20 knots becoming north
15 to 25 knots after midnight. snow likely in the evening, then a
chance of snow 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. a chance of snow. waves subsiding to 2 to 4 feet. 
.monday...west winds 20 to 30 knots. waves building to 3 to
6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 270300
glfls 
expires:202511270900;;570961

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed nov 26 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 29.4 inch low over the straits of mackinac will shift east into 
ontario tonight and then into quebec on thanksgiving. meanwhile, a 
30.6 inch high over the canadian prairies weakens slightly to 30.5 
inches as it moves into the mississippi river valley through friday, 
with 30.3 inch high pressure persisting over lake superior friday 
through saturday. a 29.7 inch low over the southern plains saturday 
morning will track into lower michigan by sunday morning, resulting 
in 30.0 inch troughing over lake superior. a 30.4 inch high then 
rebuilds over the great lakes on monday.



lsz264-270900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm est wed nov 26 2025

...gale warning in effect through thursday evening...

.rest of tonight...north gales to 45 knots. snow late in the
evening, then a chance of snow after midnight. waves 15 to
20 feet occasionally to 25 feet subsiding to 12 to 17 feet
occasionally to 21 feet. 
.thursday...north gales to 40 knots becoming northwest gales to
35 knots by mid afternoon. 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 late. a slight chance of snow showers. waves
subsiding to 5 to 8 feet occasionally to 10 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots in the afternoon. a slight chance of snow showers. waves
subsiding to 2 to 4 feet. 
.friday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots veering north in the
afternoon. a chance of snow. waves calm to 2 feet. 
.saturday night...northeast winds 10 to 20 knots becoming north
20 to 30 knots after midnight. a chance of snow. waves building
to 3 to 6 feet occasionally to 8 feet. 
.sunday...northwest winds 20 to 30 knots. a chance of snow. waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 5 feet occasionally to 7 feet. 
.monday...west winds 20 to 30 knots diminishing to 15 to
25 knots. waves building to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 270300
glfls 
expires:202511270900;;570962

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed nov 26 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 29.4 inch low over the straits of mackinac will shift east into 
ontario tonight and then into quebec on thanksgiving. meanwhile, a 
30.6 inch high over the canadian prairies weakens slightly to 30.5 
inches as it moves into the mississippi river valley through friday, 
with 30.3 inch high pressure persisting over lake superior friday 
through saturday. a 29.7 inch low over the southern plains saturday 
morning will track into lower michigan by sunday morning, resulting 
in 30.0 inch troughing over lake superior. a 30.4 inch high then 
rebuilds over the great lakes on monday.



lsz265-270900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm est wed nov 26 2025

...storm warning in effect until 6 am est thursday...
...gale warning in effect from 6 am est thursday through late
thursday night...

.rest of tonight...north storm force winds to 50 knots backing
northwest late. snow. waves 17 to 22 feet occasionally to 28 feet
subsiding to 15 to 20 feet occasionally to 25 feet. 
.thursday...northwest gales to 45 knots. snow showers. waves
subsiding to 10 to 14 feet occasionally to 18 feet. 
.thursday night...northwest gales to 40 knots. snow showers
likely in the evening, then a chance of snow showers after
midnight. waves subsiding to 6 to 9 feet occasionally to 11 feet.
.friday...northwest winds 20 to 30 knots. a chance of snow
showers. waves subsiding to 2 to 4 feet. 
.friday night...northwest winds 10 to 20 knots becoming west 5 to
15 knots after midnight. a slight chance of snow showers. waves
subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots becoming northeast 10 to
20 knots in the afternoon. snow likely in the afternoon. waves
calm to 2 feet. 
.saturday night...northeast winds 10 to 20 knots becoming north
15 to 25 knots after midnight. snow. waves building to 2 to
4 feet. 
.sunday...northwest winds 20 to 30 knots. snow likely, then a
chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 2 to 4 feet. 
.monday...west winds 15 to 25 knots backing southwest. a chance
of snow showers. waves subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 270300
glfls 
expires:202511270900;;570963

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed nov 26 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 29.4 inch low over the straits of mackinac will shift east into 
ontario tonight and then into quebec on thanksgiving. meanwhile, a 
30.6 inch high over the canadian prairies weakens slightly to 30.5 
inches as it moves into the mississippi river valley through friday, 
with 30.3 inch high pressure persisting over lake superior friday 
through saturday. a 29.7 inch low over the southern plains saturday 
morning will track into lower michigan by sunday morning, resulting 
in 30.0 inch troughing over lake superior. a 30.4 inch high then 
rebuilds over the great lakes on monday.



lsz266-270900-
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 pm est wed nov 26 2025

...storm warning in effect until 6 am est thursday...
...gale warning in effect from 6 am est thursday through late
thursday night...

.rest of tonight...north storm force winds to 50 knots. snow.
waves 17 to 22 feet occasionally to 28 feet subsiding to 17 to
22 feet occasionally to 28 feet. 
.thursday...north storm force winds to 50 knots diminishing to
gales to 45 knots by late morning, then backing northwest by mid
afternoon. snow showers. waves subsiding to 15 to 20 feet
occasionally to 25 feet. 
.thursday night...northwest gales to 40 knots. snow showers.
waves subsiding to 9 to 12 feet occasionally to 15 feet. 
.friday...northwest gales to 35 knots diminishing to 20 to
30 knots in the afternoon. snow showers likely in the morning,
then a chance of snow showers in the afternoon. waves subsiding
to 4 to 7 feet occasionally to 9 feet. 
.friday night...northwest winds 15 to 25 knots diminishing to
5 to 15 knots after midnight. a chance of snow showers. waves
subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming north 10 to
20 knots in the afternoon. snow. waves subsiding to calm to
2 feet. 
.saturday night...east winds 10 to 20 knots becoming northeast
15 to 25 knots after midnight. snow. waves building to 3 to
5 feet occasionally to 7 feet. 
.sunday...north winds 20 to 30 knots backing northwest. snow.
waves building to 7 to 10 feet occasionally to 13 feet, then
subsiding to 4 to 7 feet occasionally to 9 feet. 
.monday...west winds 15 to 25 knots backing southwest. a chance
of snow showers. waves subsiding to 3 to 5 feet occasionally to
7 feet. 

$$

fzus63 kmqt 270300
glfls 
expires:202511270900;;570964

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed nov 26 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 29.4 inch low over the straits of mackinac will shift east into 
ontario tonight and then into quebec on thanksgiving. meanwhile, a 
30.6 inch high over the canadian prairies weakens slightly to 30.5 
inches as it moves into the mississippi river valley through friday, 
with 30.3 inch high pressure persisting over lake superior friday 
through saturday. a 29.7 inch low over the southern plains saturday 
morning will track into lower michigan by sunday morning, resulting 
in 30.0 inch troughing over lake superior. a 30.4 inch high then 
rebuilds over the great lakes on monday.



lsz267-270900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm est wed nov 26 2025

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

.rest of tonight...north gales to 45 knots increasing to gales to
45 knots with a few storm force gusts to 50 knots possible late.
snow. waves 11 to 15 feet occasionally to 19 feet building to
15 to 20 feet occasionally to 25 feet. 
.thursday...north gales to 45 knots. snow showers. waves
subsiding to 12 to 17 feet occasionally to 21 feet. 
.thursday night...north gales to 40 knots becoming northwest
gales to 35 knots late. snow showers in the evening, then a
chance of snow showers after midnight. waves subsiding to 8 to
11 feet occasionally to 14 feet. 
.friday...northwest gales to 35 knots diminishing to 20 to
30 knots in the afternoon. a chance of snow showers in the
morning, then snow showers likely in the afternoon. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.friday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. a chance of snow showers in the
evening, then snow showers likely after midnight. waves subsiding
to 1 to 3 feet. 
.saturday...west winds 10 to 20 knots backing southwest in the
afternoon. snow. waves subsiding to calm to 2 feet. 
.saturday night...southeast winds 10 to 20 knots backing east
after midnight. snow. waves building to 1 to 3 feet. 
.sunday...north winds 20 to 30 knots becoming northwest 15 to
25 knots. snow. waves building to 6 to 9 feet occasionally to
11 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. 
.monday...west winds 15 to 25 knots backing southwest. snow
showers likely. waves subsiding to 3 to 5 feet occasionally to
7 feet. 

$$