fzus63 kdtx 262041
glflh 
expires:202511270445;;556192

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 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, will hold over eastern
upper michigan and the straits region today. cold air and a
strong compact wind field associated with this low will support
gales and expanding snow shower activity across the region. the
low will exit to the northeast of georgian bay tonight into
thursday. strong winds and cold air circulating around the system
will sustain gales and snow showers through thursday. high
pressure, 30.40 inches, will expand across the western and
southern great lakes region friday into saturday. deepening low
pressure is then forecast to lift across the region from the
southwest saturday night and sunday, bringing widespread snow
with a chance for gusty winds in the wake of the system sunday
night.


lhz361-362-270445-
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-
341 pm est wed nov 26 2025

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

.tonight...southwest winds 15 to 20 knots increasing to 30 knots
late in the evening...then becoming west at 35 knot gales after
midnight. rain and snow. waves 12 to 16 feet. waves occasionally
around 20 feet. 
.thursday...northwest at 35 knot gales with gusts to 40 knot
gales. snow. waves 14 to 18 feet. waves occasionally around
23 feet. 
.thursday night...northwest at 35 knot gales decreasing to
30 knots after midnight. gusts to 40 knot gales. snow in the
evening...then a chance of snow after midnight. waves 14 to
18 feet. waves occasionally around 23 feet. a gale warning may be
needed. 
.friday...northwest winds to 30 knots. a chance of snow. waves
12 to 16 feet. waves occasionally around 20 feet. 
.friday night...northwest winds 20 to 25 knots decreasing to
10 to 15 knots. a chance of snow. waves 8 to 12 feet subsiding to
4 to 6 feet after midnight. waves occasionally around 15 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 2 to 4 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 6 to 9 feet. waves
occasionally around 12 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 3 to 5 feet.


$$

fzus63 kdtx 262041
glflh 
expires:202511270445;;556193

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 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, will hold over eastern
upper michigan and the straits region today. cold air and a
strong compact wind field associated with this low will support
gales and expanding snow shower activity across the region. the
low will exit to the northeast of georgian bay tonight into
thursday. strong winds and cold air circulating around the system
will sustain gales and snow showers through thursday. high
pressure, 30.40 inches, will expand across the western and
southern great lakes region friday into saturday. deepening low
pressure is then forecast to lift across the region from the
southwest saturday night and sunday, bringing widespread snow
with a chance for gusty winds in the wake of the system sunday
night.


lhz363-462-270445-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
341 pm est wed nov 26 2025

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

.tonight...southwest at 35 knot gales veering to the west at
40 knot gales after midnight. rain and snow. waves 12 to 16 feet.
waves occasionally around 20 feet. 
.thursday...west at 35 knot gales with gusts to 40 knot gales.
snow likely. waves 14 to 18 feet. waves occasionally around
23 feet. 
.thursday night...northwest at 35 knot gales with gusts to
40 knot gales. snow in the evening...then snow likely after
midnight. waves 15 to 20 feet. waves occasionally around 25 feet.
a gale warning may be needed. 
.friday...northwest at 35 knot gales decreasing to 30 knots in
the late morning and afternoon. a chance of snow. waves 12 to
16 feet. waves occasionally around 20 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 subsiding to 4 to 6 feet after midnight. 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 5 to 7 feet
late in the afternoon. waves occasionally around 10 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 6 to 9 feet. waves occasionally
around 12 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
3 to 5 feet. 


$$

fzus63 kmkx 262106
glflm 
expires:202511270415;;557296

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
306 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 are likely through 
the afternoon 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. 


lmz261-362-364-563-270415-
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-
306 pm cst wed nov 26 2025

sturgeon bay wi to point betsie mi north...

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

.tonight...northwest gales to 45 kt. snow with rain likely this
evening, then snow overnight. waves 14 to 18 ft occasionally to
23 ft. 
.thursday...northwest storm force winds to 50 kt diminishing to
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 262106
glflm 
expires:202511270415;;557297

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
306 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 are likely through 
the afternoon 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-
878-270415-
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-
306 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...

.tonight...northwest storm force winds to 50 kt diminishing to
gales to 45 kt. chance of snow this 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
subsiding to 12 to 16 ft occasionally to 21 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 2 to 4 ft. 
.saturday...south winds 15 to 25 kt becoming southeast to 30 kt.
snow. waves 4 to 6 ft occasionally to 8 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 262101
glfls 
expires:202511270900;;556922

open lake forecast for lake superior
national weather service marquette mi
400 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 29.3 inch low over the east-central u.p. this afternoon continues 
towards the straits of mackinac this evening. the low shifts east 
into ontario tonight and then into quebec at 29.4 inches 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-
400 pm est wed nov 26 2025 /300 pm cst wed nov 26 2025/

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

.late this afternoon...northwest gales to 40 knots. a chance of
snow. waves 10 to 14 feet occasionally to 18 feet subsiding to
10 to 14 feet occasionally to 18 feet. 
.tonight...northwest gales to 40 knots. a slight chance of snow.
waves 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. 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 1 to
3 feet. 
.sunday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.monday...west winds 15 to 25 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 262101
glfls 
expires:202511270900;;556923

open lake forecast for lake superior
national weather service marquette mi
400 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 29.3 inch low over the east-central u.p. this afternoon continues 
towards the straits of mackinac this evening. the low shifts east 
into ontario tonight and then into quebec at 29.4 inches 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-
400 pm est wed nov 26 2025

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

.late this afternoon...north gales to 45 knots. snow. waves 15 to
20 feet occasionally to 25 feet. 
.tonight...north gales to 45 knots becoming northwest gales to
40 knots late. a chance of snow. waves 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. 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 5 feet
occasionally to 7 feet. 
.sunday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of snow. waves building to 3 to 6 feet
occasionally to 8 feet. 
.monday...west winds 20 to 30 knots. waves subsiding to 3 to
5 feet occasionally to 7 feet. 

$$

fzus63 kmqt 262101
glfls 
expires:202511270900;;556924

open lake forecast for lake superior
national weather service marquette mi
400 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 29.3 inch low over the east-central u.p. this afternoon continues 
towards the straits of mackinac this evening. the low shifts east 
into ontario tonight and then into quebec at 29.4 inches 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-
400 pm est wed nov 26 2025

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

.late this afternoon...north gales to 45 knots. snow. waves 15 to
20 feet occasionally to 25 feet subsiding to 15 to 20 feet
occasionally to 25 feet. 
.tonight...north gales to 45 knots. snow in the evening, then a
chance of snow after midnight. waves 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 5 feet occasionally to 7 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 6 feet occasionally to 8 feet. 
.monday...west winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to 3 to 5 feet occasionally to 7 feet. 

$$

fzus63 kmqt 262101
glfls 
expires:202511270900;;556925

open lake forecast for lake superior
national weather service marquette mi
400 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 29.3 inch low over the east-central u.p. this afternoon continues 
towards the straits of mackinac this evening. the low shifts east 
into ontario tonight and then into quebec at 29.4 inches 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-
400 pm est wed nov 26 2025

...storm warning in effect until midnight est tonight...
...gale warning in effect from midnight est tonight through late
thursday night...

.late this afternoon...north storm force winds to 55 knots. snow.
waves 15 to 20 feet occasionally to 25 feet. 
.tonight...north storm force winds to 55 knots becoming northwest
storm force winds to 50 knots late. snow. waves building to 17 to
22 feet occasionally to 28 feet, then 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. 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 4 to 7 feet
occasionally to 9 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 262101
glfls 
expires:202511270900;;556926

open lake forecast for lake superior
national weather service marquette mi
400 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 29.3 inch low over the east-central u.p. this afternoon continues 
towards the straits of mackinac this evening. the low shifts east 
into ontario tonight and then into quebec at 29.4 inches 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-
400 pm est wed nov 26 2025

...storm warning in effect until midnight est tonight...
...gale warning in effect from midnight est tonight through late
thursday night...

.late this afternoon...north storm force winds to 50 knots. snow,
possibly mixed with rain. waves 15 to 20 feet occasionally to
25 feet building to 17 to 22 feet occasionally to 28 feet. 
.tonight...north storm force winds to 55 knots. snow. waves 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 2 to
4 feet. 
.sunday...north winds 20 to 30 knots backing northwest. snow.
waves building to 5 to 9 feet occasionally to 11 feet. 
.monday...west winds 15 to 25 knots backing southwest. a chance
of snow showers. waves subsiding to 3 to 6 feet occasionally to
8 feet. 

$$

fzus63 kmqt 262101
glfls 
expires:202511270900;;556927

open lake forecast for lake superior
national weather service marquette mi
400 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 29.3 inch low over the east-central u.p. this afternoon continues 
towards the straits of mackinac this evening. the low shifts east 
into ontario tonight and then into quebec at 29.4 inches 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-
400 pm est wed nov 26 2025

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

.late this afternoon...north gales to 40 knots. rain and snow.
waves 10 to 14 feet occasionally to 18 feet. 
.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 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 calm to 2 feet. 
.sunday...north winds 20 to 30 knots becoming northwest 15 to
25 knots. snow. waves building to 5 to 9 feet occasionally to
11 feet. 
.monday...west winds 15 to 25 knots backing southwest. snow
showers likely. waves subsiding to 3 to 6 feet occasionally to
8 feet. 

$$