fzus63 kdtx 080838
glflh 
expires:202511081645;;045943

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 am est sat nov 8 2025

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...high pressure, 29.90 inches, will reside over the
region today. a deepening low pressure system then moves through
the southern great lakes late tonight into sunday, passing south
of lake erie at around 29.60 inches sunday afternoon. this system
ushers in an arctic air mass and gusty northwest flow through the
early week. the next arctic low drops into the northern great
lakes mid next week.


lhz361-081645-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
338 am est sat nov 8 2025

.today...northwest winds 10 to 15 knots becoming light and
variable. waves 2 to 4 feet subsiding to 2 feet or less in the
late morning and afternoon. 
.tonight...light and variable winds becoming northwest 5 to
10 knots after midnight...then veering to the north early in the
morning. a chance of snow after midnight. waves 2 feet or less. 
.sunday...northeast winds 10 to 15 knots becoming north 15 to
20 knots early in the afternoon. a chance of snow. waves 1 to
3 feet building to 2 to 4 feet early in the afternoon. 
.sunday night...north winds 15 to 20 knots. a chance of snow.
waves 3 to 5 feet. 
.monday...north winds 10 to 15 knots becoming northwest 15 to
20 knots late in the afternoon...then becoming north 10 to
15 knots late in the evening. a chance of snow. waves 3 to
5 feet. 
.tuesday...northwest winds 10 to 15 knots becoming west 15 to
20 knots in the late morning and early afternoon...then backing
to the southwest until early morning. a chance of snow early in
the morning...then a chance of rain in the late morning and early
afternoon. rain until early morning. waves 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 35 knot gales in the late morning and
early afternoon...then increasing to 30 knots with gusts to
35 knot gales early in the evening decreasing to 20 to 25 knots
with gusts to around 30 knots in the late evening and early
morning. rain likely early in the morning...then rain. waves 5 to
7 feet building to 6 to 9 feet until early morning. waves
occasionally around 12 feet. 


$$

fzus63 kdtx 080838
glflh 
expires:202511081645;;045944

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 am est sat nov 8 2025

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...high pressure, 29.90 inches, will reside over the
region today. a deepening low pressure system then moves through
the southern great lakes late tonight into sunday, passing south
of lake erie at around 29.60 inches sunday afternoon. this system
ushers in an arctic air mass and gusty northwest flow through the
early week. the next arctic low drops into the northern great
lakes mid next week.


lhz362-363-081645-
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-
338 am est sat nov 8 2025

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


$$

fzus63 kdtx 080838
glflh 
expires:202511081645;;045945

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 am est sat nov 8 2025

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...high pressure, 29.90 inches, will reside over the
region today. a deepening low pressure system then moves through
the southern great lakes late tonight into sunday, passing south
of lake erie at around 29.60 inches sunday afternoon. this system
ushers in an arctic air mass and gusty northwest flow through the
early week. the next arctic low drops into the northern great
lakes mid next week.


lhz462>464-081645-
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-
338 am est sat nov 8 2025

.today...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 4 to 6 feet
subsiding to 2 to 4 feet late in the afternoon. waves
occasionally around 8 feet. 
.tonight...north winds 5 to 10 knots becoming northeast 10 to
15 knots early in the morning. a chance of rain in the evening...
then a chance of rain and snow after midnight. waves 1 to 3 feet.
.sunday...northeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots early in the afternoon.
rain and snow. waves 3 to 5 feet building to 6 to 9 feet in the
late morning and afternoon. waves occasionally around 12 feet. 
.sunday night...north winds 20 to 25 knots. gusts to 30 knots
until early morning. rain and snow in the evening...then snow
after midnight. waves 6 to 9 feet. waves occasionally around
12 feet. 
.monday...north winds 20 to 25 knots with gusts to around
30 knots backing to the west late in the evening. snow likely...
then snow late in the afternoon. snow likely late in the evening.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.tuesday...west winds 20 to 25 knots with gusts to around
30 knots becoming southwest to 30 knots until early morning. a
chance of snow early in the morning. rain likely. snow likely
until early morning. waves 8 to 12 feet. waves occasionally
around 15 feet. 
.wednesday...southwest winds 20 to 25 knots becoming west to
30 knots until early morning. gusts to 35 knot gales. rain
likely. waves 8 to 12 feet. waves occasionally around 15 feet. 


$$

fzus63 kmkx 080926
glflm 
expires:202511081615;;049426

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
326 am cst sat nov 8 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

light to modest north to northeast winds today into the evening. 
low pressure around 29.7 inches will then move quickly from the 
central great plains this morning to the ohio river valley 
tonight. north to northeast winds will pick up late this evening 
as the low approaches, becoming north to northwest later tonight 
into sunday behind the low. gusts sunday and sunday night may 
reach gale force, and a gale watch has been issued for the 
southern half of the lake. heavy lake effect snow showers are
expected for sunday night into monday. winds will vary between 
northwest and southwest the first half of next week, while 
remaining gusty through this period. winds may approach or hit 
gale force at times again tuesday through wednesday.



lmz080-669-671-673-675-777-779-870-872-874-876-878-081615-
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-
326 am cst sat nov 8 2025

sheboygan wi to pentwater mi south...

...gale watch in effect from sunday morning through late sunday
night...

.today...northeast winds 10 to 15 kt. slight chance of rain this
morning, then chance of rain this afternoon. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.tonight...northeast winds 10 to 20 kt becoming north 15 to 25 kt
after midnight, then increasing to 30 kt late. rain. waves 2 to
4 ft building to 6 to 9 ft occasionally to 12 ft. 
.sunday...north gales to 35 kt becoming northwest to 30 kt. rain
showers with snow showers likely in the morning, then snow
showers likely in the afternoon. waves 8 to 11 ft occasionally to
14 ft building to 10 to 14 ft occasionally to 18 ft. 
.sunday night...north winds to 30 kt. gale force gusts possible. snow
showers in the evening, then snow showers likely overnight. waves
10 to 14 ft occasionally to 18 ft. 
.monday...north winds to 30 kt becoming northwest. snow showers
likely. waves 10 to 14 ft occasionally to 18 ft. 
.monday night...northwest winds to 30 kt becoming west. chance of
rain and snow showers. waves 8 to 12 ft occasionally to 16 ft
subsiding to 7 to 10 ft occasionally to 13 ft. 
.tuesday...southwest winds to 30 kt increasing to gales to 35 kt.
chance of rain and snow showers. waves 8 to 12 ft occasionally to
16 ft building to 12 to 16 ft occasionally to 21 ft. 
.wednesday...west winds to 30 kt increasing to gales to 35 kt.
chance of rain showers. waves 8 to 11 ft occasionally to 14 ft
building to 10 to 14 ft occasionally to 18 ft.  

$$

fzus63 kmkx 080926
glflm 
expires:202511081615;;049425

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
326 am cst sat nov 8 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

light to modest north to northeast winds today into the evening. 
low pressure around 29.7 inches will then move quickly from the 
central great plains this morning to the ohio river valley 
tonight. north to northeast winds will pick up late this evening 
as the low approaches, becoming north to northwest later tonight 
into sunday behind the low. gusts sunday and sunday night may 
reach gale force, and a gale watch has been issued for the 
southern half of the lake. heavy lake effect snow showers are
expected for sunday night into monday. winds will vary between 
northwest and southwest the first half of next week, while 
remaining gusty through this period. winds may approach or hit 
gale force at times again tuesday through wednesday.



lmz261-362-364-366-563-565-567-868-081615-
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-
326 am cst sat nov 8 2025

sheboygan wi to pentwater mi north...

.today...north winds 10 to 15 kt. slight chance of rain this
afternoon. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.tonight...north winds 10 to 20 kt increasing to 15 to 25 kt.
chance of rain and snow. waves 1 to 3 ft building to 4 to 7 ft
occasionally to 9 ft. 
.sunday...north winds to 30 kt. snow showers likely. waves 6 to
9 ft occasionally to 12 ft. 
.sunday night...north winds to 30 kt. snow showers likely in the
evening, then chance of snow showers overnight. waves 8 to 11 ft
occasionally to 14 ft. 
.monday...north winds to 30 kt becoming northwest. snow showers
likely. waves 6 to 9 ft occasionally to 12 ft. 
.monday night...northwest winds 15 to 25 kt becoming west 10 to
20 kt. chance of snow showers. waves 5 to 8 ft occasionally to
10 ft subsiding to 4 to 7 ft occasionally to 9 ft. 
.tuesday...southwest winds to 30 kt. chance of rain and snow
showers. waves 7 to 10 ft occasionally to 13 ft building to 8 to
12 ft occasionally to 16 ft. 
.wednesday...west winds to 30 kt. chance of rain showers. waves
6 to 9 ft occasionally to 12 ft.  

$$

fzus63 kmqt 080901
glfls 
expires:202511082100;;046984

open lake forecast for lake superior
national weather service marquette mi
401 am est sat nov 8 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

ridging will build over the lake this weekend and 30.6 inch high 
pressure develops over the great plains, with the ridge over the 
lake strengthening from 29.8 inches on saturday to 30.2 inches 
through sunday night. the ridge quickly breaks down early next week 
as a 29.4 inch trough sweeps across the lake tuesday into wednesday 
morning. by wednesday night the lake will be between 30.1 inch 
ridging over the plains and a deep 28.8 inch low over the hudson bay.



lsz264-082100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 am est sat nov 8 2025

.early this morning...northwest winds 5 to 15 knots. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.today...northwest winds 5 to 15 knots becoming north 10 to
20 knots by mid afternoon. a slight chance of snow showers in the
afternoon. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.tonight...north winds 10 to 20 knots backing northwest late. a
slight chance of snow showers. waves building to 2 to 4 feet. 
.sunday...northwest winds 15 to 25 knots veering north. 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. 
.sunday night...north winds 15 to 25 knots increasing to 20 to
30 knots after midnight. a chance of snow showers. waves building
to 3 to 6 feet occasionally to 8 feet. 
.monday...north winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. a chance of snow showers. waves
building to 5 to 8 feet occasionally to 10 feet, then subsiding
to 3 to 5 feet occasionally to 7 feet. 
.monday night...northwest winds 10 to 20 knots backing southwest
after midnight. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.tuesday...southwest winds 20 to 30 knots becoming northwest
gales to 35 knots. a chance of snow showers. a chance of rain
showers. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest gales to 40 knots. a chance of rain
showers. waves building to 5 to 9 feet occasionally to 11 feet. 

$$

fzus63 kmqt 080901
glfls 
expires:202511082100;;046985

open lake forecast for lake superior
national weather service marquette mi
401 am est sat nov 8 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

ridging will build over the lake this weekend and 30.6 inch high 
pressure develops over the great plains, with the ridge over the 
lake strengthening from 29.8 inches on saturday to 30.2 inches 
through sunday night. the ridge quickly breaks down early next week 
as a 29.4 inch trough sweeps across the lake tuesday into wednesday 
morning. by wednesday night the lake will be between 30.1 inch 
ridging over the plains and a deep 28.8 inch low over the hudson bay.



lsz265-082100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 am est sat nov 8 2025

.early this morning...northwest winds 10 to 20 knots. a slight
chance of snow showers. waves 3 to 5 feet occasionally to 7 feet
subsiding to 2 to 4 feet. 
.today...northwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a slight chance of snow showers. waves
subsiding to 1 to 3 feet. 
.tonight...north winds 15 to 25 knots backing northwest late.
snow showers likely in the evening, then a chance of snow showers
after midnight. waves building to 3 to 5 feet occasionally to
7 feet. 
.sunday...northwest winds 15 to 25 knots becoming north 20 to
30 knots. snow showers. waves subsiding to 2 to 4 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.sunday night...north winds 20 to 30 knots. snow showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.monday...north winds 20 to 30 knots. snow showers. waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 6 feet occasionally to 8 feet. 
.monday night...northwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. a chance of snow showers. waves
subsiding to calm to 2 feet. 
.tuesday...southwest winds 15 to 25 knots becoming west gales to
35 knots. a chance of snow showers, possibly mixed with rain,
then rain showers likely. waves building to 3 to 6 feet
occasionally to 8 feet. 
.wednesday...northwest gales to 40 knots. rain showers likely,
then snow showers likely. waves building to 5 to 8 feet
occasionally to 10 feet. 

$$

fzus63 kmqt 080901
glfls 
expires:202511082100;;046986

open lake forecast for lake superior
national weather service marquette mi
401 am est sat nov 8 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

ridging will build over the lake this weekend and 30.6 inch high 
pressure develops over the great plains, with the ridge over the 
lake strengthening from 29.8 inches on saturday to 30.2 inches 
through sunday night. the ridge quickly breaks down early next week 
as a 29.4 inch trough sweeps across the lake tuesday into wednesday 
morning. by wednesday night the lake will be between 30.1 inch 
ridging over the plains and a deep 28.8 inch low over the hudson bay.



lsz266-082100-
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-
401 am est sat nov 8 2025

.early this morning...north winds 10 to 20 knots. a chance of
snow showers. waves 3 to 6 feet occasionally to 8 feet. 
.today...northwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of snow showers. waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.tonight...north winds 15 to 25 knots. snow showers likely in the
evening, then a chance of snow showers after midnight. waves
building to 3 to 6 feet occasionally to 8 feet. 
.sunday...north winds 15 to 25 knots veering northeast by late
morning, then becoming north 20 to 30 knots by mid afternoon.
snow showers. waves 3 to 5 feet occasionally to 7 feet. 
.sunday night...north winds 20 to 30 knots. snow showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.monday...north winds 20 to 30 knots. snow showers. waves
building to 4 to 8 feet occasionally to 10 feet. 
.monday night...north winds 15 to 25 knots becoming west 10 to
20 knots after midnight. snow showers in the evening, then a
chance of snow showers after midnight. waves subsiding to 1 to
3 feet. 
.tuesday...southwest winds 15 to 25 knots becoming west gales to
35 knots. a chance of rain showers. a chance of snow showers.
rain showers. waves building to 4 to 7 feet occasionally to
9 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. 
.wednesday...northwest gales to 40 knots. rain showers. snow
showers likely. waves building to 9 to 12 feet occasionally to
15 feet. 

$$

fzus63 kmqt 080901
glfls 
expires:202511082100;;046987

open lake forecast for lake superior
national weather service marquette mi
401 am est sat nov 8 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

ridging will build over the lake this weekend and 30.6 inch high 
pressure develops over the great plains, with the ridge over the 
lake strengthening from 29.8 inches on saturday to 30.2 inches 
through sunday night. the ridge quickly breaks down early next week 
as a 29.4 inch trough sweeps across the lake tuesday into wednesday 
morning. by wednesday night the lake will be between 30.1 inch 
ridging over the plains and a deep 28.8 inch low over the hudson bay.



lsz267-082100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 am est sat nov 8 2025

.early this morning...north winds 10 to 20 knots. a slight chance
of snow showers. waves 3 to 5 feet occasionally to 7 feet
subsiding to 2 to 4 feet. 
.today...north winds 10 to 20 knots backing northwest. a chance
of snow showers. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.tonight...north winds 15 to 25 knots. snow showers likely in the
evening, then a chance of snow showers after midnight. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet. 
.sunday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by late morning, then backing north by mid afternoon.
snow showers likely. waves building to 3 to 5 feet occasionally
to 7 feet. 
.sunday night...north winds 15 to 25 knots. snow showers likely
in the evening, then a chance of snow showers after midnight.
waves subsiding to 2 to 4 feet. 
.monday...north winds 15 to 25 knots. snow showers likely. waves
building to 3 to 6 feet occasionally to 8 feet. 
.monday night...north winds 15 to 25 knots becoming northwest
10 to 20 knots after midnight. snow showers in the evening, then
a chance of snow showers after midnight. waves subsiding to 1 to
3 feet. 
.tuesday...southwest winds 15 to 25 knots becoming west 20 to
30 knots. rain showers, possibly mixed with snow. waves building
to 3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest gales to 35 knots. rain showers. snow
showers. waves building to 9 to 12 feet occasionally to 15 feet. 

$$

fzus63 kmqt 080901
glfls 
expires:202511082100;;046982

open lake forecast for lake superior
national weather service marquette mi
401 am est sat nov 8 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

ridging will build over the lake this weekend and 30.6 inch high 
pressure develops over the great plains, with the ridge over the 
lake strengthening from 29.8 inches on saturday to 30.2 inches 
through sunday night. the ridge quickly breaks down early next week 
as a 29.4 inch trough sweeps across the lake tuesday into wednesday 
morning. by wednesday night the lake will be between 30.1 inch 
ridging over the plains and a deep 28.8 inch low over the hudson bay.



lsz162-082100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 am est sat nov 8 2025 /301 am cst sat nov 8 2025/

.early this morning...north winds 10 to 20 knots. waves calm to
2 feet. 
.today...north winds 10 to 20 knots. waves calm to 2 feet. 
.tonight...north winds 15 to 25 knots backing northwest late.
waves building to 2 to 4 feet. 
.sunday...northwest winds 20 to 30 knots veering north. a chance
of snow showers. waves building to 3 to 5 feet occasionally to
7 feet. 
.sunday night...north winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. a slight chance of snow showers. waves
subsiding to 2 to 4 feet. 
.monday...north winds 15 to 25 knots becoming northwest 10 to
20 knots in the afternoon. waves subsiding to calm to 2 feet. 
.monday night...west winds 10 to 20 knots backing southwest after
midnight. waves building to 1 to 3 feet. 
.tuesday...southwest winds 15 to 25 knots becoming west 20 to
30 knots. waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 2 to 4 feet. 
.wednesday...northwest gales to 35 knots. waves building to 5 to
8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 

$$

fzus63 kmqt 080901
glfls 
expires:202511082100;;046983

open lake forecast for lake superior
national weather service marquette mi
401 am est sat nov 8 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

ridging will build over the lake this weekend and 30.6 inch high 
pressure develops over the great plains, with the ridge over the 
lake strengthening from 29.8 inches on saturday to 30.2 inches 
through sunday night. the ridge quickly breaks down early next week 
as a 29.4 inch trough sweeps across the lake tuesday into wednesday 
morning. by wednesday night the lake will be between 30.1 inch 
ridging over the plains and a deep 28.8 inch low over the hudson bay.



lsz263-082100-
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-
401 am est sat nov 8 2025

.early this morning...north winds 5 to 15 knots. waves 1 to
3 feet subsiding to calm to 2 feet. 
.today...northwest winds 5 to 15 knots becoming north 10 to
20 knots by mid afternoon. a slight chance of snow showers in the
afternoon. waves calm to 2 feet. 
.tonight...north winds 15 to 25 knots becoming northwest 10 to
20 knots late. a slight chance of snow showers. waves building to
3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet. 
.sunday...northwest winds 15 to 25 knots veering north. snow
showers likely in the morning, then a chance of snow showers in
the afternoon. waves building to 3 to 6 feet occasionally to
8 feet. 
.sunday night...north winds 20 to 30 knots. 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. 
.monday...north winds 20 to 30 knots becoming northwest 15 to
25 knots in the afternoon. waves subsiding to 2 to 4 feet. 
.monday night...west winds 5 to 15 knots becoming southwest 10 to
20 knots after midnight. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.tuesday...southwest winds 20 to 30 knots becoming northwest
gales to 35 knots. 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. 
.wednesday...northwest gales to 40 knots. a chance of rain
showers. waves building to 7 to 10 feet occasionally to 13 feet,
then subsiding to 4 to 7 feet occasionally to 9 feet. 

$$