fzus63 kdtx 092036
glflh 
expires:202601100445;;074010

open lake forecast for lake huron
national weather service detroit/pontiac mi
336 pm est fri jan 9 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...high pressure, 30.20 inches, to quickly build in over
michigan tonight into saturday morning, leading to lighter winds
overnight. low pressure, 29.60 inches, will develop near the
great lakes late tomorrow night to sunday morning, bringing
renewed breezy conditions.


lhz361-100445-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
336 pm est fri jan 9 2026

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

.tonight...northwest winds 15 to 20 knots with gusts to around
30 knots early in the evening decreasing to 10 to 15 knots...then
becoming west 5 to 10 knots after midnight becoming light and
variable. waves 8 to 12 feet subsiding to 1 to 3 feet. waves
occasionally around 15 feet. 
.saturday...east winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. snow in the afternoon. waves
1 to 3 feet building to 2 to 4 feet in the afternoon. 
.saturday night...east winds 10 to 15 knots becoming north 15 to
20 knots in the late evening and overnight. snow. waves 4 to
6 feet. waves occasionally around 8 feet. 
.sunday...northwest winds 20 to 25 knots. gusts to 30 knots in
the late morning and early afternoon. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.sunday night...west winds 15 to 20 knots backing to the
southwest after midnight. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.monday...southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon. waves 3 to 5 feet subsiding to
2 to 4 feet late in the evening. 
.tuesday...south winds 10 to 15 knots veering to the west by
midnight. a chance of rain and snow. waves 1 to 3 feet. 
.wednesday...north winds 15 to 20 knots decreasing to 10 to
15 knots by midnight. waves 2 to 4 feet. 


$$

fzus63 kdtx 092036
glflh 
expires:202601100445;;074011

open lake forecast for lake huron
national weather service detroit/pontiac mi
336 pm est fri jan 9 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...high pressure, 30.20 inches, to quickly build in over
michigan tonight into saturday morning, leading to lighter winds
overnight. low pressure, 29.60 inches, will develop near the
great lakes late tomorrow night to sunday morning, bringing
renewed breezy conditions.


lhz362-363-462-463-100445-
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-
336 pm est fri jan 9 2026

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

.tonight...northwest winds 20 to 25 knots with gusts to around
30 knots early in the evening decreasing to 10 to 15 knots...then
decreasing to 5 to 10 knots after midnight becoming light and
variable. waves 12 to 16 feet subsiding to 3 to 5 feet. waves
occasionally around 20 feet. 
.saturday...east winds 5 to 10 knots becoming southeast 10 to
15 knots in the late morning and afternoon. snow in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet in the
afternoon. 
.saturday night...east winds 10 to 15 knots becoming west 15 to
20 knots with gusts to around 30 knots by midnight...then
increasing to 20 to 25 knots with gusts to around 30 knots after
midnight. snow in the evening...then snow likely after midnight.
waves 4 to 6 feet building to 6 to 9 feet after midnight. waves
occasionally around 12 feet. 
.sunday...west winds 20 to 25 knots becoming northwest to
30 knots in the late morning and afternoon. gusts to 35 knot
gales. waves 10 to 14 feet. waves occasionally around 18 feet. 
.sunday night...northwest winds 20 to 25 knots with gusts to
around 30 knots becoming west 15 to 20 knots in the late evening
and overnight. waves 8 to 12 feet subsiding to 5 to 7 feet after
midnight. waves occasionally around 15 feet. 
.monday...southwest winds 20 to 25 knots decreasing to 15 to
20 knots. waves 5 to 7 feet. waves occasionally around 10 feet. 
.tuesday...southwest winds 15 to 20 knots becoming south 20 to
25 knots in the late morning and early afternoon...then becoming
southwest 15 to 20 knots . a chance of rain. waves 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots increasing to 20 to
25 knots in the late morning and early afternoon...then veering
to the north early in the evening decreasing to 15 to 20 knots by
midnight. waves 5 to 7 feet. waves occasionally around 10 feet. 


$$

fzus63 kmkx 092055
glflm 
expires:202601100415;;074483

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
255 pm cst fri jan 9 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...

winds continue to weaken through the evening as high pressure 
around 30.2 inches works its way across the lake michigan 
overnight. then looking at two areas of low pressure with 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 to around 29.5 inches 
as it lifts into eastern ontario/quebec later saturday night into 
sunday. given the incoming high pressure right behind the 
departing low pressure, expecting west-northwesterly winds to 
increase overnight into sunday. expecting to see gale force gusts,
especially for eastern half of lake michigan through sunday 
morning. thus a gale watch has been issued. wind then gradually 
ease sunday evening into monday as high pressure around 30.5 
inches builds south and east of lake michigan. will see southerly 
flow return by tuesday ahead of another low pressure system 
progged to traverse north of lake michigan through middle of next 
week.



lmz261-362-364-366-563-565-100415-
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-
255 pm cst fri jan 9 2026

two rivers wi to manistee mi north...

...gale warning in effect until 3 pm cst this afternoon...
...gale watch in effect from late saturday night through sunday
morning...

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

$$

fzus63 kmkx 092055
glflm 
expires:202601100415;;074484

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
255 pm cst fri jan 9 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...

winds continue to weaken through the evening as high pressure 
around 30.2 inches works its way across the lake michigan 
overnight. then looking at two areas of low pressure with 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 to around 29.5 inches 
as it lifts into eastern ontario/quebec later saturday night into 
sunday. given the incoming high pressure right behind the 
departing low pressure, expecting west-northwesterly winds to 
increase overnight into sunday. expecting to see gale force gusts,
especially for eastern half of lake michigan through sunday 
morning. thus a gale watch has been issued. wind then gradually 
ease sunday evening into monday as high pressure around 30.5 
inches builds south and east of lake michigan. will see southerly 
flow return by tuesday ahead of another low pressure system 
progged to traverse north of lake michigan through middle of next 
week.



lmz567-868-100415-
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-
255 pm cst fri jan 9 2026

two rivers wi to manistee mi south to sheboygan wi to pentwater
mi...

...gale warning in effect until 3 pm cst this afternoon...
...gale watch in effect from late saturday night through sunday
morning...

.tonight...northwest winds 5 to 10 kt backing to south. waves
3 to 5 ft subsiding to 1 to 2 ft. 
.saturday...south winds 10 to 15 kt increasing to 10 to 20 kt
late in the morning, then becoming southwest early in the
afternoon becoming west to 30 kt late. snow and rain likely in
the morning, then snow in the afternoon. waves 1 to 3 ft building
to 4 to 7 ft occasionally to 9 ft. 
.saturday night...west winds to 30 kt becoming northwest gales to
35 kt. snow likely. freezing spray overnight. waves 7 to 10 ft
occasionally to 13 ft building to 8 to 12 ft occasionally to
16 ft. 
.sunday...northwest gales to 35 kt diminishing to 30 kt. waves
10 to 14 ft occasionally to 18 ft subsiding to 8 to 11 ft
occasionally to 14 ft. 
.sunday night...west winds 15 to 25 kt becoming southwest. waves
4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally
to 9 ft. 
.monday...southwest winds 15 to 25 kt becoming west 10 to 20 kt.
waves 5 to 8 ft occasionally to 10 ft. 
.monday night...west winds 10 to 20 kt becoming southwest 15 to
25 kt. waves 3 to 5 ft building to 4 to 6 ft occasionally to
8 ft. 
.tuesday...southwest winds 15 to 25 kt becoming west. chance of
rain. waves 5 to 8 ft occasionally to 10 ft. 
.wednesday...north winds to 30 kt. chance of snow. waves 6 to
9 ft occasionally to 12 ft.  

$$

fzus63 kmkx 092055
glflm 
expires:202601100415;;074485

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
255 pm cst fri jan 9 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...

winds continue to weaken through the evening as high pressure 
around 30.2 inches works its way across the lake michigan 
overnight. then looking at two areas of low pressure with 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 to around 29.5 inches 
as it lifts into eastern ontario/quebec later saturday night into 
sunday. given the incoming high pressure right behind the 
departing low pressure, expecting west-northwesterly winds to 
increase overnight into sunday. expecting to see gale force gusts,
especially for eastern half of lake michigan through sunday 
morning. thus a gale watch has been issued. wind then gradually 
ease sunday evening into monday as high pressure around 30.5 
inches builds south and east of lake michigan. will see southerly 
flow return by tuesday ahead of another low pressure system 
progged to traverse north of lake michigan through middle of next 
week.



lmz669-671-870-872-100415-
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 whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
255 pm cst fri jan 9 2026

sheboygan wi to pentwater mi south to north point light wi to
grand haven mi...

...gale warning in effect until 3 pm cst this afternoon...
...gale watch in effect from late saturday night through sunday
morning...

.tonight...northwest winds 10 to 15 kt backing to southeast.
chance of rain and snow overnight. waves 4 to 6 ft occasionally
to 8 ft subsiding to 1 to 3 ft. 
.saturday...south winds 10 to 15 kt increasing to 10 to 20 kt
late in the morning, then becoming west 15 to 25 kt early in the
afternoon increasing to 30 kt late. snow and rain in the morning,
then snow and rain likely in the afternoon. waves 1 to 3 ft
building to 5 to 8 ft occasionally to 10 ft. 
.saturday night...west winds to 30 kt becoming northwest gales to
35 kt. snow likely. freezing spray overnight. waves 8 to 11 ft
occasionally to 14 ft building to 10 to 14 ft occasionally to
18 ft. 
.sunday...northwest gales to 40 kt diminishing to 30 kt in the
afternoon. waves 12 to 16 ft occasionally to 21 ft. 
.sunday night...west winds 15 to 25 kt becoming southwest to
30 kt. waves 6 to 9 ft occasionally to 12 ft. 
.monday...southwest winds to 30 kt becoming west 15 to 25 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.monday night...west winds 10 to 20 kt becoming southwest 15 to
25 kt. waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 ft
occasionally to 10 ft. 
.tuesday...southwest winds to 30 kt becoming west. chance of
rain. waves 6 to 9 ft occasionally to 12 ft. 
.wednesday...north winds to 30 kt increasing to gales to 35 kt.
chance of snow. waves 8 to 11 ft occasionally to 14 ft.  

$$

fzus63 kmqt 092101
glfls 
expires:202601100900;;074946

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri jan 9 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...

weak ridging is building over the great lakes this evening, 
strengthening to 30.2 inches by midnight. then, a weak 30.0 inch low 
will drop out of ontario by early saturday morning. this low will 
merge with another low moving into the ohio basin on saturday, 
making a 29.8 inch low near lakes ontario and erie saturday 
afternoon. saturday night, the low deepens to 29.6 inches over 
southern ontario while 30.5 inch high pressure builds over the 
plains. throughout sunday, the low will push east over the st. 
lawrence seaway while the high slides south of the great lakes. 
sunday night, a weak 29.9 inch trough pushes over lake superior 
associated with a 29.6 inch low over hudson bay. a weak 30.0 inch 
high then moves over the lake monday night ahead of a 29.4 inch low 
over lake winnipeg. this low deepens to 29.3 inches by tuesday 
evening near lake superior before moving to the ontario/quebec line 
wednesday afternoon. meanwhile, 30.5 inch high pressure moves over 
the dakotas.



lsz162-100900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est fri jan 9 2026 /300 pm cst fri jan 9 2026/

.late this afternoon...west winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southwest winds 5 to 15 knots increasing to 10 to
20 knots by midnight, then veering west late. a chance of snow
showers. waves building to 1 to 3 feet. 
.saturday...west winds 10 to 20 knots veering northwest by late
morning, then becoming north 15 to 25 knots by mid afternoon. a
chance of snow showers. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.saturday night...north winds 20 to 30 knots diminishing to 15 to
25 knots late. a slight chance of snow showers in the evening.
waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding to 3 to 5 feet occasionally to 7 feet. 
.sunday...northwest winds 10 to 20 knots becoming southwest 20 to
30 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. a chance of snow showers in the evening. waves building
to 3 to 6 feet occasionally to 8 feet, then subsiding to 2 to
4 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to 20 knots
in the afternoon. waves subsiding to 1 to 3 feet. 
.monday night...southwest winds 15 to 25 knots. a chance of rain
showers after midnight. waves 1 to 3 feet. 
.tuesday...west winds 15 to 25 knots becoming north 20 to
30 knots. a chance of rain and snow showers. waves subsiding to
calm to 2 feet, then building to 3 to 6 feet occasionally to
8 feet. 
.wednesday...north winds 20 to 30 knots becoming northwest 10 to
20 knots. waves subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 092101
glfls 
expires:202601100900;;074947

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri jan 9 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...

weak ridging is building over the great lakes this evening, 
strengthening to 30.2 inches by midnight. then, a weak 30.0 inch low 
will drop out of ontario by early saturday morning. this low will 
merge with another low moving into the ohio basin on saturday, 
making a 29.8 inch low near lakes ontario and erie saturday 
afternoon. saturday night, the low deepens to 29.6 inches over 
southern ontario while 30.5 inch high pressure builds over the 
plains. throughout sunday, the low will push east over the st. 
lawrence seaway while the high slides south of the great lakes. 
sunday night, a weak 29.9 inch trough pushes over lake superior 
associated with a 29.6 inch low over hudson bay. a weak 30.0 inch 
high then moves over the lake monday night ahead of a 29.4 inch low 
over lake winnipeg. this low deepens to 29.3 inches by tuesday 
evening near lake superior before moving to the ontario/quebec line 
wednesday afternoon. meanwhile, 30.5 inch high pressure moves over 
the dakotas.



lsz263-100900-
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 fri jan 9 2026

.late this afternoon...west winds 5 to 15 knots. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots. a chance of snow
showers after midnight. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.saturday...west winds 10 to 20 knots becoming north 20 to
30 knots by mid afternoon. a chance of snow showers in the
morning, then snow showers likely in the afternoon. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.saturday night...north winds 20 to 30 knots. freezing spray. a
chance of snow showers. waves building to 7 to 10 feet
occasionally to 13 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet. 
.sunday...northwest winds 10 to 20 knots becoming west gales to
35 knots in the afternoon. waves subsiding to 1 to 3 feet, then
building to 3 to 6 feet occasionally to 8 feet. 
.sunday night...southwest gales to 35 knots veering west after
midnight. a chance of snow showers. 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. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.monday night...southwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.tuesday...west winds 20 to 30 knots becoming north gales to
35 knots. a chance of rain and snow showers. freezing spray.
waves building to 7 to 10 feet occasionally to 13 feet. 
.wednesday...north gales to 35 knots diminishing to 15 to
25 knots. freezing spray. waves subsiding to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 092101
glfls 
expires:202601100900;;074948

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri jan 9 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...

weak ridging is building over the great lakes this evening, 
strengthening to 30.2 inches by midnight. then, a weak 30.0 inch low 
will drop out of ontario by early saturday morning. this low will 
merge with another low moving into the ohio basin on saturday, 
making a 29.8 inch low near lakes ontario and erie saturday 
afternoon. saturday night, the low deepens to 29.6 inches over 
southern ontario while 30.5 inch high pressure builds over the 
plains. throughout sunday, the low will push east over the st. 
lawrence seaway while the high slides south of the great lakes. 
sunday night, a weak 29.9 inch trough pushes over lake superior 
associated with a 29.6 inch low over hudson bay. a weak 30.0 inch 
high then moves over the lake monday night ahead of a 29.4 inch low 
over lake winnipeg. this low deepens to 29.3 inches by tuesday 
evening near lake superior before moving to the ontario/quebec line 
wednesday afternoon. meanwhile, 30.5 inch high pressure moves over 
the dakotas.



lsz264-100900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est fri jan 9 2026

.late this afternoon...northwest winds 10 to 20 knots. waves 3 to
6 feet occasionally to 8 feet. 
.tonight...northwest winds 5 to 15 knots backing south by
midnight. a slight chance of snow showers after midnight. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.saturday...south winds 10 to 20 knots becoming southwest 5 to
15 knots by late morning, then becoming northeast 15 to 25 knots
by mid 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. 
.saturday night...northeast winds 20 to 30 knots becoming north
to 30 knots with a few gale force gusts to 35 knots possible by
midnight, then diminishing to 20 to 30 knots late. freezing
spray. a chance of snow showers. waves building to 7 to 10 feet
occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.sunday...north winds 15 to 25 knots becoming west 20 to 30 knots
in the afternoon. freezing spray in the morning. waves subsiding
to 1 to 3 feet, then building to 3 to 6 feet occasionally to
8 feet. 
.sunday night...west gales to 35 knots. a chance of snow showers.
waves building to 6 to 10 feet occasionally to 13 feet. 
.monday...west winds 20 to 30 knots diminishing to 15 to 25 knots
in the afternoon. waves subsiding to 3 to 5 feet occasionally to
7 feet. 
.monday night...west winds 15 to 25 knots becoming southwest
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.tuesday...southwest winds 20 to 30 knots becoming north gales to
40 knots. a chance of rain showers. a chance of snow showers.
freezing spray. waves building to 8 to 11 feet occasionally to
14 feet. 
.wednesday...north gales to 40 knots diminishing to 20 to
30 knots. freezing spray. waves subsiding to 2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 092101
glfls 
expires:202601100900;;074949

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri jan 9 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...

weak ridging is building over the great lakes this evening, 
strengthening to 30.2 inches by midnight. then, a weak 30.0 inch low 
will drop out of ontario by early saturday morning. this low will 
merge with another low moving into the ohio basin on saturday, 
making a 29.8 inch low near lakes ontario and erie saturday 
afternoon. saturday night, the low deepens to 29.6 inches over 
southern ontario while 30.5 inch high pressure builds over the 
plains. throughout sunday, the low will push east over the st. 
lawrence seaway while the high slides south of the great lakes. 
sunday night, a weak 29.9 inch trough pushes over lake superior 
associated with a 29.6 inch low over hudson bay. a weak 30.0 inch 
high then moves over the lake monday night ahead of a 29.4 inch low 
over lake winnipeg. this low deepens to 29.3 inches by tuesday 
evening near lake superior before moving to the ontario/quebec line 
wednesday afternoon. meanwhile, 30.5 inch high pressure moves over 
the dakotas.



lsz265-100900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est fri jan 9 2026

.late this afternoon...northwest winds 15 to 25 knots. waves 4 to
8 feet occasionally to 10 feet. 
.tonight...west winds 10 to 20 knots backing south by midnight. a
slight chance of snow showers after midnight. waves subsiding to
calm to 2 feet. 
.saturday...south winds 10 to 20 knots veering west by late
morning, then becoming north 15 to 25 knots by mid afternoon.
snow showers likely. waves building to 2 to 4 feet. 
.saturday night...north winds to 30 knots with a few gale force
gusts to 40 knots possible. snow showers likely in the evening,
then a chance of snow showers after midnight. freezing spray
after midnight. waves building to 8 to 11 feet occasionally to
14 feet. 
.sunday...northwest winds 20 to 30 knots backing west in the
afternoon. freezing spray in the morning. a slight chance of snow
showers in the morning. waves subsiding to 2 to 4 feet. 
.sunday night...west winds 20 to 30 knots. a chance of snow
showers. waves building to 3 to 6 feet occasionally to 8 feet. 
.monday...west winds 20 to 30 knots diminishing to 15 to 25 knots
in the afternoon. waves subsiding to 1 to 3 feet. 
.monday night...west winds 15 to 25 knots backing southwest after
midnight. waves subsiding to calm to 2 feet. 
.tuesday...west winds 20 to 30 knots becoming north gales to
40 knots. rain and snow showers likely, then a chance of snow
showers. freezing spray. waves building to 9 to 12 feet
occasionally to 15 feet. 
.wednesday...north gales to 40 knots diminishing to 20 to
30 knots. freezing spray. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 092101
glfls 
expires:202601100900;;074950

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri jan 9 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...

weak ridging is building over the great lakes this evening, 
strengthening to 30.2 inches by midnight. then, a weak 30.0 inch low 
will drop out of ontario by early saturday morning. this low will 
merge with another low moving into the ohio basin on saturday, 
making a 29.8 inch low near lakes ontario and erie saturday 
afternoon. saturday night, the low deepens to 29.6 inches over 
southern ontario while 30.5 inch high pressure builds over the 
plains. throughout sunday, the low will push east over the st. 
lawrence seaway while the high slides south of the great lakes. 
sunday night, a weak 29.9 inch trough pushes over lake superior 
associated with a 29.6 inch low over hudson bay. a weak 30.0 inch 
high then moves over the lake monday night ahead of a 29.4 inch low 
over lake winnipeg. this low deepens to 29.3 inches by tuesday 
evening near lake superior before moving to the ontario/quebec line 
wednesday afternoon. meanwhile, 30.5 inch high pressure moves over 
the dakotas.



lsz266-100900-
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 fri jan 9 2026

.late this afternoon...northwest winds 20 to 30 knots. waves 8 to
11 feet occasionally to 14 feet subsiding to 7 to 10 feet
occasionally to 13 feet. 
.tonight...northwest winds 10 to 20 knots becoming south 5 to
15 knots by midnight, then increasing to 10 to 20 knots late. a
slight chance of freezing rain and snow showers after midnight.
waves subsiding to 1 to 3 feet. 
.saturday...south winds 10 to 20 knots backing southeast by late
morning, then becoming northeast 15 to 25 knots by mid afternoon.
snow showers. waves building to 3 to 5 feet occasionally to
7 feet. 
.saturday night...northeast winds 20 to 30 knots becoming north
to 30 knots with a few gale force gusts to 40 knots possible by
midnight. snow showers in the evening, then a chance of snow
showers after midnight. freezing spray after midnight. waves
building to 9 to 12 feet occasionally to 15 feet. 
.sunday...north winds 20 to 30 knots becoming west 15 to 25 knots
in the afternoon. freezing spray in the morning. a slight chance
of snow showers 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 10 feet occasionally to 13 feet. 
.monday...west winds 20 to 30 knots diminishing to 15 to 25 knots
in the afternoon. waves subsiding to 3 to 6 feet occasionally to
8 feet. 
.monday night...west winds 15 to 25 knots backing south after
midnight. waves subsiding to 2 to 4 feet. 
.tuesday...west winds 20 to 30 knots becoming north gales to
40 knots. rain and snow showers likely, then a chance of snow
showers. freezing spray. waves building to 9 to 12 feet
occasionally to 15 feet. 
.wednesday...north gales to 40 knots diminishing to 20 to
30 knots. freezing spray. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 092101
glfls 
expires:202601100900;;074951

open lake forecast for lake superior
national weather service marquette mi
400 pm est fri jan 9 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...

weak ridging is building over the great lakes this evening, 
strengthening to 30.2 inches by midnight. then, a weak 30.0 inch low 
will drop out of ontario by early saturday morning. this low will 
merge with another low moving into the ohio basin on saturday, 
making a 29.8 inch low near lakes ontario and erie saturday 
afternoon. saturday night, the low deepens to 29.6 inches over 
southern ontario while 30.5 inch high pressure builds over the 
plains. throughout sunday, the low will push east over the st. 
lawrence seaway while the high slides south of the great lakes. 
sunday night, a weak 29.9 inch trough pushes over lake superior 
associated with a 29.6 inch low over hudson bay. a weak 30.0 inch 
high then moves over the lake monday night ahead of a 29.4 inch low 
over lake winnipeg. this low deepens to 29.3 inches by tuesday 
evening near lake superior before moving to the ontario/quebec line 
wednesday afternoon. meanwhile, 30.5 inch high pressure moves over 
the dakotas.



lsz267-100900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est fri jan 9 2026

.late this afternoon...northwest winds to 30 knots with a few
gale force gusts to 35 knots possible. waves 8 to 11 feet
occasionally to 14 feet subsiding to 7 to 10 feet occasionally to
13 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots by midnight, then becoming south 10 to 20 knots late.
waves subsiding to calm to 2 feet. 
.saturday...southeast winds 10 to 20 knots increasing to 15 to
25 knots by late morning, then backing east by mid afternoon. a
chance of snow showers, possibly mixed with freezing rain in the
morning, then snow showers in the afternoon. waves building to
2 to 4 feet. 
.saturday night...northeast winds 20 to 30 knots increasing to
30 knots with a few gale force gusts to 35 knots possible by
midnight, then backing north late. snow showers in the evening,
then a chance of snow showers after midnight. freezing spray
after midnight. waves building to 6 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...southwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. a chance of snow showers in the
evening, then snow showers likely after midnight. waves building
to 5 to 8 feet occasionally to 10 feet. 
.monday...west winds 20 to 30 knots diminishing to 15 to 25 knots
in the afternoon. a chance of snow showers in the morning. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.monday night...west winds 15 to 25 knots backing south after
midnight. waves subsiding to 2 to 4 feet. 
.tuesday...south winds 15 to 25 knots becoming north gales to
35 knots. rain and snow showers likely, then a chance of snow
showers. freezing spray. waves building to 7 to 10 feet
occasionally to 13 feet. 
.wednesday...north gales to 35 knots diminishing to 15 to
25 knots. freezing spray. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$