fzus63 kdtx 140236
glflh 
expires:202601141100;;309365

open lake forecast for lake huron
national weather service detroit/pontiac mi
936 pm est tue jan 13 2026

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...an arctic cold front will drop across the central
great lakes wednesday morning. the inbound arctic air will lead
to near gale force winds, heavy freezing spray, and snow squalls.
lingering troughing will hold across the eastern great lakes
through thursday while high pressure, 30.10 inches, expands
across lake superior. another low pressure system is forecast to
track across the northern great lakes on friday, bringing more
gusty winds and snow showers into this weekend.


lhz361-362-141100-
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-
936 pm est tue jan 13 2026

...heavy freezing spray warning in effect from 7 am est wednesday
through late wednesday night...

.rest of tonight...southwest winds 15 to 20 knots becoming west
20 to 25 knots with gusts to around 30 knots early in the
morning. waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday...northwest winds 20 to 25 knots with gusts to around
30 knots veering to the north with gusts to around 30 knots late
in the afternoon. a chance of snow. heavy freezing spray. waves
8 to 12 feet. waves occasionally around 15 feet. 
.wednesday night...north winds to 30 knots decreasing to 20 to
25 knots in the late evening and overnight. a chance of snow.
heavy freezing spray. waves 10 to 14 feet. waves occasionally
around 18 feet. 
.thursday...north winds 15 to 20 knots becoming northwest 10 to
15 knots in the late morning and afternoon. heavy freezing spray
early in the morning. a chance of snow. waves 6 to 9 feet 
subsiding to 3 to 5 feet early in the afternoon. waves 
occasionally around 12 feet. 
.thursday night...west winds 10 to 15 knots becoming southwest
20 to 25 knots. freezing spray after midnight. waves 3 to 5 feet
building to 6 to 9 feet in the late evening and overnight. waves
occasionally around 12 feet. 
.friday...south winds 20 to 25 knots becoming southwest 15 to
20 knots late in the morning...then becoming west 10 to 15 knots
late in the evening. freezing spray in the morning. a chance of
snow. waves 6 to 9 feet. waves occasionally around 12 feet. 
.saturday...west winds 10 to 15 knots becoming 15 to 20 knots by
midnight. waves 3 to 5 feet. 
.sunday...northwest winds 15 to 20 knots backing to the west .
freezing spray. a chance of snow . waves 5 to 7 feet. waves
occasionally around 10 feet. 


$$

fzus63 kdtx 140236
glflh 
expires:202601141100;;309366

open lake forecast for lake huron
national weather service detroit/pontiac mi
936 pm est tue jan 13 2026

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...an arctic cold front will drop across the central
great lakes wednesday morning. the inbound arctic air will lead
to near gale force winds, heavy freezing spray, and snow squalls.
lingering troughing will hold across the eastern great lakes
through thursday while high pressure, 30.10 inches, expands
across lake superior. another low pressure system is forecast to
track across the northern great lakes on friday, bringing more
gusty winds and snow showers into this weekend.


lhz363-462>464-141100-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
936 pm est tue jan 13 2026

...heavy freezing spray warning in effect from wednesday morning
through thursday afternoon...

.rest of tonight...southwest winds 15 to 20 knots. waves 5 to
7 feet. waves occasionally around 10 feet. 
.wednesday...northwest winds 20 to 25 knots. gusts to 30 knots
late in the afternoon. a chance of snow. heavy freezing spray. 
waves 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday night...north winds to 30 knots. snow. heavy freezing 
spray. waves 10 to 14 feet. waves occasionally around 18 feet. 
.thursday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late morning and
afternoon. a chance of snow. heavy freezing spray. waves 8 to
12 feet. waves occasionally around 15 feet. 
.thursday night...southwest winds 15 to 20 knots increasing to
20 to 25 knots after midnight. freezing spray after midnight.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.friday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots late in the afternoon.
freezing spray. a chance of snow. waves 5 to 7 feet. waves
occasionally around 9 feet. 
.saturday...southwest winds 10 to 15 knots increasing to 15 to
20 knots early in the evening...then veering to the north by
midnight. a chance of snow in the late morning and early
afternoon. freezing spray by midnight. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.sunday...west winds 15 to 20 knots increasing to 20 to 25 knots
. freezing spray. a chance of snow . waves 5 to 7 feet. waves
occasionally around 10 feet. 


$$

fzus63 kmkx 140312
glflm 
expires:202601141015;;310877

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
912 pm cst tue jan 13 2026

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 strong, arctic cold front will shift southward across lake 
michigan overnight. west winds will become northwest behind the
front and will rapidly increase to gale force, with gales
lingering into wednesday evening. gale warnings are in effect for
all of lake michigan. moderate to occasionally heavy freezing 
spray is also expected during this time. 

by late wednesday night, high pressure around 30.3 inches will 
build into the plains, and eventually cross the upper great lakes 
on thursday. low pressure around 29.4 inches will cross lake 
superior on friday, and stall over the lower great lakes saturday
while weakening to around 29.5 inches. colder air on the back 
side of the low will overspread lake michigan on gusty west winds
on saturday.


lmz080-567-669-671-673-675-777-779-868-870-872-874-876-878-141015-
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-
912 pm cst tue jan 13 2026

two rivers wi to manistee mi south...

...gale warning in effect from 3 am cst wednesday through
wednesday evening...

.rest of tonight...west winds to 30 kt becoming northwest gales
to 35 kt. isolated rain showers late this evening, then scattered
rain and snow showers overnight. waves 4 to 6 ft occasionally to
8 ft building to 8 to 12 ft occasionally to 16 ft. 
.wednesday...north gales to 40 kt. freezing spray. snow showers
in the morning, then scattered snow showers in the afternoon.
waves 14 to 18 ft occasionally to 23 ft. 
.wednesday night...north gales to 40 kt diminishing to 30 kt.
freezing spray. scattered snow showers in the evening, then
chance of snow showers overnight. waves 12 to 16 ft occasionally
to 21 ft subsiding to 8 to 12 ft occasionally to 16 ft. 
.thursday...northwest winds 15 to 25 kt becoming west 10 to
20 kt. freezing spray in the morning. waves 8 to 11 ft
occasionally to 14 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.thursday night...southwest winds to 30 kt. chance of snow in the
evening, then snow overnight. waves 6 to 9 ft occasionally to
12 ft building to 8 to 11 ft occasionally to 14 ft. 
.friday...west winds to 30 kt. snow. waves 8 to 11 ft
occasionally to 14 ft subsiding to 6 to 9 ft occasionally to
12 ft. 
.friday night...west winds to 30 kt becoming northwest. snow
likely. waves 6 to 9 ft occasionally to 12 ft. 
.saturday...northwest winds 15 to 25 kt. freezing spray. chance
of snow. waves 6 to 9 ft occasionally to 12 ft. 
.sunday...west winds to 30 kt. freezing spray. chance of snow.
waves 6 to 9 ft occasionally to 12 ft.  

$$

fzus63 kmkx 140312
glflm 
expires:202601141015;;310876

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
912 pm cst tue jan 13 2026

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 strong, arctic cold front will shift southward across lake 
michigan overnight. west winds will become northwest behind the
front and will rapidly increase to gale force, with gales
lingering into wednesday evening. gale warnings are in effect for
all of lake michigan. moderate to occasionally heavy freezing 
spray is also expected during this time. 

by late wednesday night, high pressure around 30.3 inches will 
build into the plains, and eventually cross the upper great lakes 
on thursday. low pressure around 29.4 inches will cross lake 
superior on friday, and stall over the lower great lakes saturday
while weakening to around 29.5 inches. colder air on the back 
side of the low will overspread lake michigan on gusty west winds
on saturday.


lmz261-362-364-366-563-565-141015-
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-
912 pm cst tue jan 13 2026

two rivers wi to manistee mi north...

...gale warning in effect through wednesday evening...

.rest of tonight...west winds to 30 kt becoming northwest gales 
to 40 kt. isolated rain and snow showers late this evening, then 
scattered snow showers overnight. freezing spray overnight. waves 
4 to 7 ft occasionally to 9 ft building to 8 to 12 ft occasionally
to 16 ft. 
.wednesday...north gales to 40 kt. freezing spray. scattered snow
showers in the morning, then isolated snow showers in the
afternoon. waves 12 to 16 ft occasionally to 21 ft. 
.wednesday night...north gales to 40 kt diminishing to 15 to
25 kt. freezing spray. waves 10 to 14 ft occasionally to 18 ft
subsiding to 6 to 9 ft occasionally to 12 ft. 
.thursday...northwest winds 10 to 20 kt backing to southwest.
waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft. 
.thursday night...southwest winds to 30 kt. freezing spray in the
evening. chance of snow. waves 7 to 10 ft occasionally to 13 ft. 
.friday...west winds 10 to 20 kt. snow likely in the morning,
then chance of snow in the afternoon. waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.friday night...northwest winds 10 to 20 kt increasing to 15 to
25 kt. chance of snow. waves 4 to 6 ft occasionally to 8 ft. 
.saturday...north winds 15 to 25 kt diminishing to 10 to 20 kt.
chance of snow. waves 4 to 6 ft occasionally to 8 ft. 
.sunday...northwest winds 15 to 25 kt becoming west. freezing
spray. chance of snow. waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmqt 140301
glfls 
expires:202601140900;;310123

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue jan 13 2026

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 29.1 inch low over northern ontario this evening tracks through 
quebec tonight into wednesday morning. meanwhile, a 30.5 inch high 
pressure over the canadian prairies builds over the eastern dakotas 
wednesday morning, sliding around the southwestern periphery of the 
great lakes thursday while weakening to 30.2 inches as it retreats 
into the gulf. the ridging is followed up by a 29.4 inch low moving 
over lake superior on friday, which weakens to 29.7 inches over 
southern ontario saturday. meanwhile, high pressure ridging of at 
least 30.2 inches settles west of the great lakes over the weekend. 
a weak clipper low of around 29.9 inches is then expected to move 
over lake superior late sunday into early next week.



lsz264-140900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm est tue jan 13 2026

...gale warning in effect through wednesday afternoon...
...heavy freezing spray warning in effect through late wednesday
night...

.rest of tonight...north gales to 45 knots. heavy freezing spray.
a chance of snow showers late in the evening. snow showers after
midnight. waves 12 to 17 feet occasionally to 21 feet building to
15 to 20 feet occasionally to 25 feet, then subsiding to 12 to
17 feet occasionally to 21 feet. 
.wednesday...north gales to 35 knots diminishing to 15 to
25 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 6 to 9 feet occasionally to 11 feet. 
.wednesday night...north winds 15 to 25 knots diminishing to 5 to
15 knots late. freezing spray in the evening. a slight chance of
snow showers. waves subsiding to 2 to 4 feet. 
.thursday...southwest winds 10 to 20 knots increasing to 20 to
30 knots in the afternoon. freezing spray in the afternoon. a
chance of snow showers in the afternoon. waves subsiding to calm
to 2 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.thursday night...southwest winds 20 to 30 knots becoming west
10 to 20 knots after midnight. freezing spray in the evening. a
chance of snow showers. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 2 to 4 feet. 
.friday...north winds 10 to 20 knots increasing to 20 to 30 knots
in the afternoon. a chance of snow showers. freezing spray in the
afternoon. waves building to 3 to 6 feet occasionally to 8 feet. 
.friday night...north winds 20 to 30 knots. heavy freezing spray.
waves building to 5 to 8 feet occasionally to 10 feet. 
.saturday...north winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.sunday...west winds 20 to 30 knots becoming north gales to
35 knots. heavy freezing spray. a chance of snow showers. waves
building to 6 to 9 feet occasionally to 11 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 140301
glfls 
expires:202601140900;;310124

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue jan 13 2026

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 29.1 inch low over northern ontario this evening tracks through 
quebec tonight into wednesday morning. meanwhile, a 30.5 inch high 
pressure over the canadian prairies builds over the eastern dakotas 
wednesday morning, sliding around the southwestern periphery of the 
great lakes thursday while weakening to 30.2 inches as it retreats 
into the gulf. the ridging is followed up by a 29.4 inch low moving 
over lake superior on friday, which weakens to 29.7 inches over 
southern ontario saturday. meanwhile, high pressure ridging of at 
least 30.2 inches settles west of the great lakes over the weekend. 
a weak clipper low of around 29.9 inches is then expected to move 
over lake superior late sunday into early next week.



lsz265-140900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm est tue jan 13 2026

...gale warning in effect through wednesday evening...
...heavy freezing spray warning in effect through late wednesday
night...

.rest of tonight...north gales to 45 knots. heavy freezing spray.
a chance of snow showers late in the evening. snow showers after
midnight. waves 10 to 14 feet occasionally to 18 feet building to
15 to 20 feet occasionally to 25 feet. 
.wednesday...north gales to 40 knots. heavy freezing spray. a
chance of snow showers. waves subsiding to 9 to 12 feet
occasionally to 15 feet. 
.wednesday night...north gales to 35 knots diminishing to 10 to
20 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday...west winds 10 to 20 knots becoming southwest 15 to
25 knots in the afternoon. a slight chance of snow showers in the
morning. waves subsiding to calm to 2 feet, then building to 1 to
3 feet. 
.thursday night...southwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. a chance of snow showers. waves
building to 2 to 4 feet, then subsiding to calm to 2 feet. 
.friday...northwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a chance of snow showers in the
morning, then snow showers likely in the afternoon. waves
building to 3 to 5 feet occasionally to 7 feet. 
.friday night...north gales to 35 knots. freezing spray. a chance
of snow showers. waves building to 5 to 8 feet occasionally to
10 feet. 
.saturday...north gales to 35 knots backing northwest. heavy
freezing spray. a chance of snow showers. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.sunday...west winds 20 to 30 knots becoming northwest gales to
35 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
6 to 9 feet occasionally to 11 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 140301
glfls 
expires:202601140900;;310125

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue jan 13 2026

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 29.1 inch low over northern ontario this evening tracks through 
quebec tonight into wednesday morning. meanwhile, a 30.5 inch high 
pressure over the canadian prairies builds over the eastern dakotas 
wednesday morning, sliding around the southwestern periphery of the 
great lakes thursday while weakening to 30.2 inches as it retreats 
into the gulf. the ridging is followed up by a 29.4 inch low moving 
over lake superior on friday, which weakens to 29.7 inches over 
southern ontario saturday. meanwhile, high pressure ridging of at 
least 30.2 inches settles west of the great lakes over the weekend. 
a weak clipper low of around 29.9 inches is then expected to move 
over lake superior late sunday into early next week.



lsz266-140900-
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 tue jan 13 2026

...gale warning in effect through wednesday evening...
...heavy freezing spray warning in effect through late wednesday
night...

.rest of tonight...north gales to 45 knots. heavy freezing spray.
snow showers. waves 12 to 17 feet occasionally to 21 feet
building to 17 to 22 feet occasionally to 28 feet. 
.wednesday...north gales to 45 knots. heavy freezing spray. snow
showers likely in the morning. a chance of snow showers in the
afternoon. waves subsiding to 10 to 14 feet occasionally to
18 feet. 
.wednesday night...north gales to 35 knots diminishing to 10 to
20 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday...west winds 10 to 20 knots becoming southwest 20 to
30 knots in the afternoon. a slight chance of snow showers in the
morning. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 
.thursday night...southwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. freezing spray in the evening. a
chance of snow showers. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.friday...west winds 15 to 25 knots becoming north 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 2 to
4 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.friday night...north winds 20 to 30 knots increasing to gales to
35 knots after midnight. freezing spray. a chance of snow
showers. waves building to 5 to 8 feet occasionally to 10 feet. 
.saturday...north winds 20 to 30 knots. freezing spray. a chance
of snow showers. waves subsiding to 4 to 7 feet occasionally to
9 feet. 
.sunday...west winds 20 to 30 knots becoming northwest gales to
35 knots. heavy freezing spray. a chance of snow showers. waves
building to 8 to 11 feet occasionally to 14 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 140301
glfls 
expires:202601140900;;310126

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue jan 13 2026

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 29.1 inch low over northern ontario this evening tracks through 
quebec tonight into wednesday morning. meanwhile, a 30.5 inch high 
pressure over the canadian prairies builds over the eastern dakotas 
wednesday morning, sliding around the southwestern periphery of the 
great lakes thursday while weakening to 30.2 inches as it retreats 
into the gulf. the ridging is followed up by a 29.4 inch low moving 
over lake superior on friday, which weakens to 29.7 inches over 
southern ontario saturday. meanwhile, high pressure ridging of at 
least 30.2 inches settles west of the great lakes over the weekend. 
a weak clipper low of around 29.9 inches is then expected to move 
over lake superior late sunday into early next week.



lsz267-140900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm est tue jan 13 2026

...gale warning in effect through wednesday evening...
...heavy freezing spray warning in effect from 4 am est wednesday
through late wednesday night...

.rest of tonight...northwest gales to 40 knots veering north by
midnight. heavy freezing spray. a chance of snow showers,
possibly mixed with rain late in the evening. snow showers likely
after midnight. waves 9 to 12 feet occasionally to 15 feet
building to 12 to 17 feet occasionally to 21 feet, then subsiding
to 11 to 15 feet occasionally to 19 feet. 
.wednesday...north gales to 40 knots. heavy freezing spray. snow
showers likely in the morning. a slight chance of snow showers in
the afternoon. waves subsiding to 8 to 11 feet occasionally to
14 feet. 
.wednesday night...north gales to 35 knots diminishing to 15 to
25 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday...north winds 10 to 20 knots becoming southwest 15 to
25 knots in the afternoon. a slight chance of snow showers in the
morning. waves subsiding to calm to 2 feet, then building to 2 to
4 feet. 
.thursday night...southwest winds 20 to 30 knots. freezing spray
in the evening. a chance of snow showers. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.friday...southwest winds 15 to 25 knots veering northwest in the
afternoon. snow showers likely. waves subsiding to 2 to 4 feet. 
.friday night...north winds 15 to 25 knots veering northeast
after midnight. a chance of snow showers. waves building to 3 to
5 feet occasionally to 7 feet. 
.saturday...north winds 15 to 25 knots. a chance of snow showers.
freezing spray. waves subsiding to 2 to 4 feet, then building to
3 to 6 feet occasionally to 8 feet. 
.sunday...west winds 15 to 25 knots increasing to 20 to 30 knots.
heavy freezing spray. a chance of snow showers. snow showers
likely. waves building to 7 to 10 feet occasionally to 13 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 140301
glfls 
expires:202601140900;;310121

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue jan 13 2026

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 29.1 inch low over northern ontario this evening tracks through 
quebec tonight into wednesday morning. meanwhile, a 30.5 inch high 
pressure over the canadian prairies builds over the eastern dakotas 
wednesday morning, sliding around the southwestern periphery of the 
great lakes thursday while weakening to 30.2 inches as it retreats 
into the gulf. the ridging is followed up by a 29.4 inch low moving 
over lake superior on friday, which weakens to 29.7 inches over 
southern ontario saturday. meanwhile, high pressure ridging of at 
least 30.2 inches settles west of the great lakes over the weekend. 
a weak clipper low of around 29.9 inches is then expected to move 
over lake superior late sunday into early next week.



lsz162-140900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est tue jan 13 2026 /900 pm cst tue jan 13 2026/

...gale warning in effect through wednesday afternoon...
...heavy freezing spray warning in effect through wednesday
afternoon...

.rest of tonight...north gales to 35 knots. heavy freezing spray.
waves 6 to 10 feet occasionally to 13 feet. 
.wednesday...north winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray in the morning. waves subsiding to
2 to 4 feet. 
.wednesday night...north winds 10 to 20 knots becoming northwest
5 to 15 knots late. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a slight chance of snow showers in the
morning, then snow showers in the afternoon. waves building to
3 to 6 feet occasionally to 8 feet. 
.thursday night...southwest winds 20 to 30 knots becoming west
10 to 20 knots after midnight. snow showers likely in the
evening, then a chance of snow showers after midnight. waves
subsiding to calm to 2 feet. 
.friday...northwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. snow showers likely. waves building to
2 to 4 feet. 
.friday night...north winds 20 to 30 knots. a chance of snow
showers. waves building to 3 to 5 feet occasionally to 7 feet. 
.saturday...north winds 15 to 25 knots backing northwest. waves
subsiding to 1 to 3 feet. 
.sunday...west winds 15 to 25 knots becoming northwest 20 to
30 knots. a chance of snow showers. waves building to 2 to
4 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 140301
glfls 
expires:202601140900;;310122

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue jan 13 2026

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 29.1 inch low over northern ontario this evening tracks through 
quebec tonight into wednesday morning. meanwhile, a 30.5 inch high 
pressure over the canadian prairies builds over the eastern dakotas 
wednesday morning, sliding around the southwestern periphery of the 
great lakes thursday while weakening to 30.2 inches as it retreats 
into the gulf. the ridging is followed up by a 29.4 inch low moving 
over lake superior on friday, which weakens to 29.7 inches over 
southern ontario saturday. meanwhile, high pressure ridging of at 
least 30.2 inches settles west of the great lakes over the weekend. 
a weak clipper low of around 29.9 inches is then expected to move 
over lake superior late sunday into early next week.



lsz263-140900-
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 tue jan 13 2026

...gale warning in effect through wednesday afternoon...
...heavy freezing spray warning in effect through wednesday
afternoon...

.rest of tonight...north gales to 40 knots. heavy freezing spray.
a chance of snow showers. waves 9 to 12 feet occasionally to
15 feet building to 11 to 15 feet occasionally to 19 feet, then
subsiding to 10 to 14 feet occasionally to 18 feet. 
.wednesday...north gales to 35 knots diminishing to 15 to
25 knots. a slight chance of snow showers in the morning. heavy
freezing spray. waves subsiding to 3 to 6 feet occasionally to
8 feet. 
.wednesday night...north winds 15 to 25 knots diminishing to 5 to
15 knots. freezing spray in the evening. a slight chance of snow
showers. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a chance of snow showers. freezing
spray in the afternoon. waves building to 4 to 7 feet
occasionally to 9 feet. 
.thursday night...southwest winds 20 to 30 knots becoming west
10 to 20 knots after midnight. freezing spray in the evening. a
chance of snow showers. waves subsiding to 2 to 4 feet. 
.friday...north winds 10 to 20 knots increasing to 20 to 30 knots
in the afternoon. a chance of snow showers. waves subsiding to
1 to 3 feet, then building to 3 to 6 feet occasionally to 8 feet.
.friday night...north winds 20 to 30 knots. freezing spray. a
chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet. 
.saturday...north winds 20 to 30 knots becoming northwest 15 to
25 knots. freezing spray. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.sunday...west winds 20 to 30 knots veering northwest. heavy
freezing spray. waves building to 4 to 7 feet occasionally to
9 feet. 

note, wave height forecasts are for ice free areas.

$$