fzus63 kdtx 082041
glflh 
expires:202601090445;;016799

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm est thu jan 8 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...low pressure, 29.40 inches, to travel from the central
plains into northern lower michigan by early friday morning. this
will bring elevated winds, including some brief sustained winds
to gales, for portions of lake huron. high pressure, 30.20
inches, to then quickly build in over michigan late friday night
to saturday morning.


lhz361-090445-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
341 pm est thu jan 8 2026

...gale warning in effect from friday afternoon through friday
evening...

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


$$

fzus63 kdtx 082041
glflh 
expires:202601090445;;016800

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm est thu jan 8 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...low pressure, 29.40 inches, to travel from the central
plains into northern lower michigan by early friday morning. this
will bring elevated winds, including some brief sustained winds
to gales, for portions of lake huron. high pressure, 30.20
inches, to then quickly build in over michigan late friday night
to saturday morning.


lhz362-363-462-463-090445-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
341 pm est thu jan 8 2026

...gale warning in effect from midnight est tonight through
friday evening...

.rest of today...south winds 15 to 20 knots. waves 5 to 7 feet.
waves occasionally around 10 feet. 
.tonight...south winds 15 to 20 knots becoming southeast to
30 knots with gusts to 35 knot gales. a chance of rain in the
evening...then rain after midnight. waves 6 to 9 feet building to
10 to 14 feet after midnight. waves occasionally around 18 feet. 
.friday...south winds 20 to 25 knots becoming west to 30 knots
early in the afternoon. gusts to 40 knot gales. a chance of rain.
waves 12 to 16 feet. waves occasionally around 20 feet. 
.friday night...west winds 20 to 25 knots with gusts to 35 knot
gales becoming northwest 5 to 10 knots. waves 14 to 18 feet
subsiding to 4 to 6 feet. waves occasionally around 23 feet. 
.saturday...east winds 5 to 10 knots becoming northeast 20 to
25 knots. a chance of snow late in the morning. snow likely late
in the afternoon. waves 3 to 5 feet building to 6 to 9 feet late
in the afternoon. waves occasionally around 12 feet. 
.sunday...north winds 20 to 25 knots with gusts to around
30 knots backing to the northwest with gusts to around 30 knots
early in the evening...then decreasing to 15 to 20 knots by
midnight. a chance of snow early in the morning. waves 8 to
12 feet. waves occasionally around 15 feet. 
.monday...southwest winds 15 to 20 knots. waves 5 to 7 feet.
waves occasionally around 10 feet. 


$$

fzus63 kmkx 082031
glflm 
expires:202601090415;;016459

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
231 pm cst thu jan 8 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...

southerly winds across lake michigan will gradually turn as low 
pressure around 29.2 inches lifts from the mo/ia border into the 
northern half of lake michigan overnight. will see gusty south to 
southeasterly winds over the southern half of lake michigan this 
evening as the low approaches then veering to southwest overnight.
lighter more easterly winds are expected for the north half of 
the lake, but gradually weaken as the low pushes northeastward 
into friday morning. behind the low, expect more north to 
northwesterly winds pick up into friday morning. given the tight 
pressure gradient on the backside of this departing system, will 
see gusts of 30 knots and a few brief gale force gusts through 
late friday morning, especially along the eastern lakeshore. 

winds will gradually weaken friday afternoon as high pressure 
around 30.2 inches works its way across the lake michigan through 
friday night. then looking at two areas of low pressure one coming
up from the southern plains and another digging down across the 
upper midwest merging over the great lakes for saturday. expect 
west- northwesterly winds over lake michigan to increase on the 
backside of this deepening low pressure as it lift into eastern 
ontario/quebec. will be a potential for gales across the open 
water, but still some uncertainty on the overall strength of the 
low pressure. then another high pressure will build across the 
region for sunday before another system traverses the region early
next week.


lmz261-362-364-366-563-565-567-868-090415-
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-
231 pm cst thu jan 8 2026

sheboygan wi to pentwater mi north...

.tonight...southeast winds to 30 kt veering to west. rain. waves
4 to 7 ft occasionally to 9 ft building to 6 to 9 ft occasionally
to 12 ft. 
.friday...northwest winds to 30 kt. rain and snow likely in the
morning. waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to
7 ft occasionally to 9 ft. 
.friday night...northwest winds 10 to 20 kt becoming north 5 to
10 kt late in the evening, then veering to east after midnight
becoming southeast late. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.saturday...southeast winds 10 to 20 kt becoming east 15 to
25 kt. chance of snow in the morning, then snow likely in the
afternoon. waves 1 to 3 ft building to 3 to 5 ft. 
.saturday night...north winds to 30 kt. snow likely. waves 5 to
8 ft occasionally to 10 ft building to 7 to 10 ft occasionally to
13 ft. 
.sunday...north gales to 35 kt becoming northwest to 30 kt. waves
8 to 11 ft occasionally to 14 ft subsiding to 7 to 10 ft
occasionally to 13 ft. 
.sunday night...west winds 15 to 25 kt becoming southwest to
30 kt. waves 4 to 7 ft occasionally to 9 ft. 
.monday...southwest winds to 30 kt. waves 5 to 8 ft occasionally
to 10 ft. 
.tuesday...southwest winds 10 to 20 kt. chance of rain and snow.
waves 3 to 5 ft.  

$$

fzus63 kmkx 082031
glflm 
expires:202601090415;;016460

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
231 pm cst thu jan 8 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...

southerly winds across lake michigan will gradually turn as low 
pressure around 29.2 inches lifts from the mo/ia border into the 
northern half of lake michigan overnight. will see gusty south to 
southeasterly winds over the southern half of lake michigan this 
evening as the low approaches then veering to southwest overnight.
lighter more easterly winds are expected for the north half of 
the lake, but gradually weaken as the low pushes northeastward 
into friday morning. behind the low, expect more north to 
northwesterly winds pick up into friday morning. given the tight 
pressure gradient on the backside of this departing system, will 
see gusts of 30 knots and a few brief gale force gusts through 
late friday morning, especially along the eastern lakeshore. 

winds will gradually weaken friday afternoon as high pressure 
around 30.2 inches works its way across the lake michigan through 
friday night. then looking at two areas of low pressure one coming
up from the southern plains and another digging down across the 
upper midwest merging over the great lakes for saturday. expect 
west- northwesterly winds over lake michigan to increase on the 
backside of this deepening low pressure as it lift into eastern 
ontario/quebec. will be a potential for gales across the open 
water, but still some uncertainty on the overall strength of the 
low pressure. then another high pressure will build across the 
region for sunday before another system traverses the region early
next week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-090415-
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-
231 pm cst thu jan 8 2026

sheboygan wi to pentwater mi south...

.tonight...southeast winds to 30 kt becoming southwest. rain and
slight chance of thunderstorms this evening, then chance of rain
and slight chance of thunderstorms overnight. waves 6 to 9 ft
occasionally to 12 ft. 
.friday...west gales to 35 kt becoming northwest late in the
morning, then diminishing to 30 kt early in the afternoon
becoming north 15 to 25 kt late. chance of rain in the morning.
waves 7 to 10 ft occasionally to 13 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.friday night...north winds 10 to 15 kt veering to southeast 5 to
10 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to
4 ft. 
.saturday...south winds 10 to 15 kt veering to west 15 to 25 kt
in the afternoon. snow and rain likely. waves 1 to 3 ft building
to 4 to 6 ft occasionally to 8 ft. 
.saturday night...west winds to 30 kt becoming northwest gales to
35 kt. snow likely. waves 6 to 9 ft occasionally to 12 ft
building to 8 to 12 ft occasionally to 16 ft. 
.sunday...northwest gales to 35 kt diminishing to 30 kt. chance
of snow in the morning. waves 10 to 14 ft occasionally to 18 ft. 
.sunday night...west winds 10 to 20 kt becoming southwest to
30 kt. waves 6 to 9 ft occasionally to 12 ft. 
.monday...southwest winds to 30 kt. waves 6 to 9 ft occasionally
to 12 ft. 
.tuesday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
chance of rain. waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmqt 082101
glfls 
expires:202601090900;;017442

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 8 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 29.6 inch low moves from manitoba to northern ontario today while 
a 29.4 inch low lifts into the upper mississippi river valley. this 
low will move through northern lake michigan tonight while the low 
to the north reaches james bay. both press into quebec friday as 
30.1 inch ridging builds over the upper midwest. friday night 
through saturday, two lows (one coming from manitoba and another 
from the lower mississippi valley) will merge, resulting in a low of 
at least 29.8 inches near southern ontario. this low will lift into 
quebec near 29.6 inches sunday afternoon as a 30.6 inch high spreads 
across the central plains. the high extends a 30.1 inch ridge over 
the lake sunday night ahead of a 29.8 inch trough transiting the 
lake monday.



lsz162-090900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est thu jan 8 2026 /300 pm cst thu jan 8 2026/

.late this afternoon...northwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...north winds 5 to 15 knots increasing to 15 to 25 knots
by midnight. a slight chance of rain. waves building to 3 to
6 feet occasionally to 8 feet. 
.friday...north winds 15 to 25 knots becoming northwest 10 to
20 knots by late morning, then becoming west 5 to 15 knots by mid
afternoon. waves subsiding to calm to 2 feet. 
.friday night...southwest winds 5 to 15 knots. a slight chance of
snow showers after midnight. waves calm to 2 feet. 
.saturday...northwest winds 10 to 20 knots becoming north 15 to
25 knots in the afternoon. a chance of snow showers in the
morning, then snow showers likely in the afternoon. waves
building to 2 to 4 feet. 
.saturday night...north winds 15 to 25 knots. waves building to
3 to 6 feet occasionally to 8 feet. 
.sunday...northwest winds 10 to 20 knots becoming west 15 to
25 knots in the afternoon. waves subsiding to 1 to 3 feet, then
building to 2 to 4 feet. 
.sunday night...southwest winds 20 to 30 knots veering west after
midnight. waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.tuesday...north winds 10 to 20 knots increasing to 15 to
25 knots. a chance of rain showers. a chance of snow showers.
waves building to 2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 082101
glfls 
expires:202601090900;;017443

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 8 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 29.6 inch low moves from manitoba to northern ontario today while 
a 29.4 inch low lifts into the upper mississippi river valley. this 
low will move through northern lake michigan tonight while the low 
to the north reaches james bay. both press into quebec friday as 
30.1 inch ridging builds over the upper midwest. friday night 
through saturday, two lows (one coming from manitoba and another 
from the lower mississippi valley) will merge, resulting in a low of 
at least 29.8 inches near southern ontario. this low will lift into 
quebec near 29.6 inches sunday afternoon as a 30.6 inch high spreads 
across the central plains. the high extends a 30.1 inch ridge over 
the lake sunday night ahead of a 29.8 inch trough transiting the 
lake monday.



lsz263-090900-
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 thu jan 8 2026

.late this afternoon...northwest winds less than 10 knots. patchy
fog. waves calm to 2 feet. 
.tonight...north winds 5 to 15 knots increasing to 20 to 30 knots
by midnight. patchy dense fog. a slight chance of rain. a slight
chance of snow after midnight. waves building to 5 to 8 feet
occasionally to 10 feet. 
.friday...north winds 20 to 30 knots becoming northwest 15 to
25 knots by late morning, then becoming west 10 to 20 knots by
mid afternoon. waves subsiding to 1 to 3 feet. 
.friday night...west winds 5 to 15 knots backing south by
midnight, then backing southeast late. waves subsiding to calm to
2 feet. 
.saturday...southeast winds 5 to 15 knots becoming northeast
15 to 25 knots in the afternoon. a chance of snow showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.saturday night...north winds 20 to 30 knots. freezing spray.
waves building to 6 to 9 feet occasionally to 11 feet, then
subsiding to 4 to 7 feet occasionally to 9 feet. 
.sunday...north winds 10 to 20 knots becoming west 15 to 25 knots
in the afternoon. waves subsiding to 1 to 3 feet, then building
to 3 to 5 feet occasionally to 7 feet. 
.sunday night...southwest winds 20 to 30 knots veering west after
midnight. waves building to 5 to 9 feet occasionally to 11 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet. 
.tuesday...north winds 10 to 20 knots increasing to 20 to
30 knots. a chance of rain showers. a chance of snow showers.
waves building to 4 to 7 feet occasionally to 9 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 082101
glfls 
expires:202601090900;;017444

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 8 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 29.6 inch low moves from manitoba to northern ontario today while 
a 29.4 inch low lifts into the upper mississippi river valley. this 
low will move through northern lake michigan tonight while the low 
to the north reaches james bay. both press into quebec friday as 
30.1 inch ridging builds over the upper midwest. friday night 
through saturday, two lows (one coming from manitoba and another 
from the lower mississippi valley) will merge, resulting in a low of 
at least 29.8 inches near southern ontario. this low will lift into 
quebec near 29.6 inches sunday afternoon as a 30.6 inch high spreads 
across the central plains. the high extends a 30.1 inch ridge over 
the lake sunday night ahead of a 29.8 inch trough transiting the 
lake monday.



lsz264-090900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est thu jan 8 2026

.late this afternoon...west winds less than 10 knots. patchy fog.
waves calm to 2 feet. 
.tonight...north winds 5 to 15 knots increasing to 20 to 30 knots
by midnight. patchy fog. a chance of rain. a slight chance of
snow after midnight. waves building to 5 to 8 feet occasionally
to 10 feet. 
.friday...north winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots by late morning,
then becoming northwest 15 to 25 knots by mid afternoon. waves
building to 7 to 10 feet occasionally to 13 feet, then subsiding
to 3 to 5 feet occasionally to 7 feet. 
.friday night...northwest winds 5 to 15 knots becoming southeast
less than 10 knots by midnight, then increasing to 5 to 15 knots
late. waves subsiding to calm to 2 feet. 
.saturday...southeast winds 5 to 15 knots becoming east 15 to
25 knots in the afternoon. a chance of snow showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.saturday night...northeast winds 20 to 30 knots backing north
after midnight. freezing spray. waves building to 5 to 9 feet
occasionally to 11 feet. 
.sunday...north winds 15 to 25 knots backing west in the
afternoon. freezing spray in the morning. waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.sunday night...west winds 20 to 30 knots. waves building to 7 to
10 feet occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 2 to 4 feet. 
.tuesday...north winds 15 to 25 knots increasing to 20 to
30 knots. freezing spray. waves subsiding to 1 to 3 feet, then
building to 5 to 8 feet occasionally to 10 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 082101
glfls 
expires:202601090900;;017445

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 8 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 29.6 inch low moves from manitoba to northern ontario today while 
a 29.4 inch low lifts into the upper mississippi river valley. this 
low will move through northern lake michigan tonight while the low 
to the north reaches james bay. both press into quebec friday as 
30.1 inch ridging builds over the upper midwest. friday night 
through saturday, two lows (one coming from manitoba and another 
from the lower mississippi valley) will merge, resulting in a low of 
at least 29.8 inches near southern ontario. this low will lift into 
quebec near 29.6 inches sunday afternoon as a 30.6 inch high spreads 
across the central plains. the high extends a 30.1 inch ridge over 
the lake sunday night ahead of a 29.8 inch trough transiting the 
lake monday.



lsz265-090900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est thu jan 8 2026

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

.late this afternoon...south winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...north winds 5 to 15 knots increasing to gales to
35 knots. patchy fog in the evening. areas of dense fog after
midnight. a slight chance of snow in the evening. rain. snow
after midnight. waves building to 5 to 8 feet occasionally to
10 feet. 
.friday...north gales to 40 knots becoming northwest gales to
35 knots by late morning, then diminishing to 20 to 30 knots by
mid afternoon. patchy fog in the morning. a chance of rain and
snow in the morning. waves building to 9 to 12 feet occasionally
to 15 feet, then subsiding to 4 to 7 feet occasionally to 9 feet.
.friday night...northwest winds 10 to 20 knots becoming south
5 to 15 knots by midnight, then backing southeast late. waves
subsiding to calm to 2 feet. 
.saturday...southeast winds 10 to 20 knots backing east in the
afternoon. a chance of snow showers. waves building to 2 to
4 feet. 
.saturday night...northeast winds 20 to 30 knots becoming north
gales to 35 knots after midnight. a chance of snow showers.
freezing spray after midnight. waves building to 6 to 9 feet
occasionally to 11 feet. 
.sunday...north winds 20 to 30 knots becoming west 15 to 25 knots
in the afternoon. freezing spray in the morning. waves subsiding
to 2 to 4 feet. 
.sunday night...west winds 15 to 25 knots increasing to 20 to
30 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday...west winds 15 to 25 knots. waves subsiding to calm to
2 feet. 
.tuesday...west winds 15 to 25 knots becoming north 20 to
30 knots. a chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 082101
glfls 
expires:202601090900;;017446

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 8 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 29.6 inch low moves from manitoba to northern ontario today while 
a 29.4 inch low lifts into the upper mississippi river valley. this 
low will move through northern lake michigan tonight while the low 
to the north reaches james bay. both press into quebec friday as 
30.1 inch ridging builds over the upper midwest. friday night 
through saturday, two lows (one coming from manitoba and another 
from the lower mississippi valley) will merge, resulting in a low of 
at least 29.8 inches near southern ontario. this low will lift into 
quebec near 29.6 inches sunday afternoon as a 30.6 inch high spreads 
across the central plains. the high extends a 30.1 inch ridge over 
the lake sunday night ahead of a 29.8 inch trough transiting the 
lake monday.



lsz266-090900-
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 thu jan 8 2026

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

.late this afternoon...south winds 5 to 15 knots. patchy fog.
waves 1 to 3 feet. 
.tonight...south winds 5 to 15 knots becoming northeast 15 to
25 knots by midnight, then becoming north 20 to 30 knots late.
patchy fog in the evening. areas of dense fog after midnight.
rain. snow after midnight. waves building to 5 to 8 feet
occasionally to 10 feet. 
.friday...north gales to 40 knots becoming northwest 20 to
30 knots by mid afternoon. patchy fog in the morning. a chance of
rain and snow in the morning. waves building to 10 to 14 feet
occasionally to 18 feet, then subsiding to 7 to 10 feet
occasionally to 13 feet. 
.friday night...northwest winds 15 to 25 knots becoming west 5 to
15 knots by midnight, then backing southeast late. waves
subsiding to calm to 2 feet. 
.saturday...southeast winds 10 to 20 knots becoming east 15 to
25 knots in the afternoon. a chance of snow showers. waves
building to 3 to 5 feet occasionally to 7 feet. 
.saturday night...northeast winds 20 to 30 knots becoming north
gales to 35 knots after midnight. a chance of snow showers.
freezing spray after midnight. waves building to 7 to 10 feet
occasionally to 13 feet. 
.sunday...north winds 20 to 30 knots becoming northwest 15 to
25 knots in the afternoon. freezing spray in the morning. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.sunday night...west winds 20 to 30 knots. a chance of snow
showers. waves building to 6 to 9 feet occasionally to 11 feet. 
.monday...west winds 15 to 25 knots. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.tuesday...west winds 15 to 25 knots becoming north gales to
35 knots. a chance of rain showers. a chance of snow showers.
freezing spray. waves subsiding to 2 to 4 feet, then building to
5 to 8 feet occasionally to 10 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 082101
glfls 
expires:202601090900;;017447

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu jan 8 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 29.6 inch low moves from manitoba to northern ontario today while 
a 29.4 inch low lifts into the upper mississippi river valley. this 
low will move through northern lake michigan tonight while the low 
to the north reaches james bay. both press into quebec friday as 
30.1 inch ridging builds over the upper midwest. friday night 
through saturday, two lows (one coming from manitoba and another 
from the lower mississippi valley) will merge, resulting in a low of 
at least 29.8 inches near southern ontario. this low will lift into 
quebec near 29.6 inches sunday afternoon as a 30.6 inch high spreads 
across the central plains. the high extends a 30.1 inch ridge over 
the lake sunday night ahead of a 29.8 inch trough transiting the 
lake monday.



lsz267-090900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est thu jan 8 2026

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

.late this afternoon...southeast winds 15 to 25 knots. waves 2 to
4 feet. 
.tonight...southeast winds 10 to 20 knots backing east by
midnight, then becoming north 15 to 25 knots late. patchy fog.
rain. a slight chance of snow after midnight. waves subsiding to
1 to 3 feet, then building to 3 to 5 feet occasionally to 7 feet.
.friday...north gales to 40 knots becoming northwest gales to
35 knots by mid afternoon. patchy fog in the morning. rain and
snow in the morning. waves building to 9 to 12 feet occasionally
to 15 feet, then subsiding to 7 to 10 feet occasionally to
13 feet. 
.friday night...northwest winds 15 to 25 knots becoming north
5 to 15 knots by midnight, then becoming southeast 10 to 20 knots
late. waves subsiding to 1 to 3 feet. 
.saturday...southeast winds 10 to 20 knots becoming east 15 to
25 knots in the afternoon. a chance of snow showers in the
afternoon. waves subsiding to calm to 2 feet, then building to
2 to 4 feet. 
.saturday night...northeast winds 20 to 30 knots. a chance of
snow showers. freezing spray after midnight. waves building to
5 to 8 feet occasionally to 10 feet. 
.sunday...north winds 20 to 30 knots becoming northwest 15 to
25 knots in the afternoon. freezing spray in the morning. a
chance of snow showers in the morning. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.sunday night...west winds 15 to 25 knots increasing to 20 to
30 knots after midnight. a chance of snow showers. waves building
to 4 to 7 feet occasionally to 9 feet. 
.monday...west winds 15 to 25 knots. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.tuesday...southwest winds 15 to 25 knots veering north. a chance
of snow showers, possibly mixed with rain. waves subsiding to
2 to 4 feet, then building to 3 to 6 feet occasionally to 8 feet.

note, wave height forecasts are for ice free areas.

$$