fzus63 kdtx 291952
glflh 
expires:202511300400;;724017

open lake forecast for lake huron
national weather service detroit/pontiac mi
252 pm est sat nov 29 2025

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...low pressure, depeening to 29.60 inches, will lift
northeast out of the central plains today and track through
central lake huron tomorrow afternoon. a period of northwest
gales behind the low is expected over much of lake huron late in
the afternoon and early evening hours. a gale warning is in
effect for much of lake huron during this time.


lhz362-363-462>464-300400-
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-
lake huron from port sanilac to port huron beyond 5nm off shore-
252 pm est sat nov 29 2025

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

.tonight...southeast winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots. a chance of snow in the
evening...then snow after midnight. snow may be heavy at times in
the evening. waves 2 to 4 feet building to 6 to 9 feet in the
late evening and overnight. waves occasionally around 12 feet. 
.sunday...south winds 15 to 25 knot with gusts to 30 knots, 
becoming west-northwest to 30 knots with gusts to 35 knot gales 
late in the afternoon. rain and snow in the morning...then snow 
and rain in the afternoon. waves 6 to 9 feet building to 8 to 12 
feet late in the afternoon. waves occasionally around 15 feet.
.sunday night...northwest winds to 30 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots. a chance of snow. waves 10 to
14 feet. waves occasionally around 18 feet. 
.monday...west winds 10 to 15 knots becoming southwest 15 to
20 knots early in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.monday night...southwest winds 15 to 20 knots. snow likely.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.tuesday...west winds 10 to 15 knots increasing to 15 to 20 knots
late in the evening. waves 3 to 5 feet subsiding to 1 to 3 feet
late in the afternoon...then building to 3 to 5 feet late in the
evening. 
.wednesday...southwest winds 20 to 25 knots. gusts to 30 knots
until early evening. snow likely until early evening. a chance of
snow in the late evening and early morning. waves 6 to 9 feet
building to 10 to 14 feet until early morning. waves occasionally
around 18 feet. 
.thursday...west winds 20 to 25 knots. a chance of snow until
afternoon. a chance of snow in the late evening and early
morning. waves 8 to 12 feet. waves occasionally around 15 feet. 


$$

fzus63 kdtx 291952
glflh 
expires:202511300400;;724016

open lake forecast for lake huron
national weather service detroit/pontiac mi
252 pm est sat nov 29 2025

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...low pressure, depeening to 29.60 inches, will lift
northeast out of the central plains today and track through
central lake huron tomorrow afternoon. a period of northwest
gales behind the low is expected over much of lake huron late in
the afternoon and early evening hours. a gale warning is in
effect for much of lake huron during this time.


lhz361-300400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
252 pm est sat nov 29 2025

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


$$

fzus63 kmkx 291443
glflm 
expires:202511292215;;711270

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
843 am cst sat nov 29 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...

winds will increase from the southeast this morning as low 
pressure around 29.8 inches tracks across ks to the south tip of 
lake michigan into tonight. there will be a brief six hour window
of south to southeasterly gales late this afternoon and early 
evening for the southern third of the lake. winds will weaken 
below gales as the low pressure passes the southern tip of lake 
michigan overnight saturday. stronger northwesterly winds will 
then develop sunday into sunday evening and may reach gale force 
as the strengthening low pressure area moves away. thus a gale 
watch is in effect for sunday and sunday evening for the entire 
open lake. high pressure will then build in later sunday into the 
start of next week with light winds.


lmz261-362-364-366-563-565-567-868-292215-
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-
843 am cst sat nov 29 2025

sheboygan wi to pentwater mi north...

...gale watch in effect from sunday morning through sunday
evening...

.rest of today...south winds 10 to 15 kt becoming southeast 10 to
20 kt late this morning, then increasing to 15 to 25 kt early
this afternoon increasing to 30 kt late. chance of snow through
mid morning, then snow this afternoon. waves 1 ft or less
building to 6 to 9 ft occasionally to 12 ft. 
.tonight...southeast winds to 30 kt diminishing to 15 to 25 kt
late in the evening, then becoming east 10 to 20 kt after
midnight becoming northeast 15 to 25 kt late. snow. waves 7 to
10 ft occasionally to 13 ft. 
.sunday...north winds to 30 kt becoming northwest gales to 35 kt.
snow in the morning, then chance of snow in the afternoon. waves
5 to 8 ft occasionally to 10 ft building to 10 to 14 ft
occasionally to 18 ft. 
.sunday night...northwest winds to 30 kt diminishing to 10 to
20 kt overnight. waves 8 to 11 ft occasionally to 14 ft subsiding
to 4 to 7 ft occasionally to 9 ft. 
.monday...west winds 15 to 25 kt becoming southwest to 30 kt.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. 
.monday night...west winds to 30 kt diminishing to 15 to 25 kt.
chance of snow. waves 4 to 6 ft occasionally to 8 ft. 
.tuesday...west winds 10 to 20 kt. waves 1 to 3 ft. 
.wednesday...west winds 15 to 25 kt becoming northwest to 30 kt.
snow likely. waves 4 to 7 ft occasionally to 9 ft.  

$$

fzus63 kmkx 291443
glflm 
expires:202511292215;;711271

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
843 am cst sat nov 29 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...

winds will increase from the southeast this morning as low 
pressure around 29.8 inches tracks across ks to the south tip of 
lake michigan into tonight. there will be a brief six hour window
of south to southeasterly gales late this afternoon and early 
evening for the southern third of the lake. winds will weaken 
below gales as the low pressure passes the southern tip of lake 
michigan overnight saturday. stronger northwesterly winds will 
then develop sunday into sunday evening and may reach gale force 
as the strengthening low pressure area moves away. thus a gale 
watch is in effect for sunday and sunday evening for the entire 
open lake. high pressure will then build in later sunday into the 
start of next week with light winds.


lmz669-671-673-870-872-874-292215-
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 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-
843 am cst sat nov 29 2025

sheboygan wi to pentwater mi south to wind point wi to holland
mi...

...gale watch in effect from sunday morning through sunday
evening...

.rest of today...south winds 10 to 20 kt becoming southeast to
30 kt. snow. waves 1 to 3 ft building to 7 to 10 ft occasionally
to 13 ft. 
.tonight...southeast winds to 30 kt diminishing to 15 to 25 kt
after midnight, then backing to north to 30 kt late. snow and
slight chance of rain. waves 8 to 11 ft occasionally to 14 ft
subsiding to 7 to 10 ft occasionally to 13 ft. 
.sunday...north gales to 35 kt becoming northwest. rain with a
chance of snow in the morning, then chance of snow in the
afternoon. waves 7 to 10 ft occasionally to 13 ft building to
12 to 16 ft occasionally to 21 ft. 
.sunday night...northwest winds to 30 kt diminishing to 10 to
20 kt overnight. chance of snow in the evening. waves 10 to 14 ft
occasionally to 18 ft subsiding to 6 to 9 ft occasionally to
12 ft. 
.monday...west winds 10 to 20 kt becoming southwest. chance of
snow in the afternoon. waves 3 to 5 ft. 
.monday night...west winds 10 to 20 kt. chance of snow. waves
3 to 5 ft. 
.tuesday...northwest winds 10 to 20 kt becoming west. chance of
snow. waves 2 to 4 ft. 
.wednesday...southwest winds to 30 kt becoming west. chance of
snow. waves 7 to 10 ft occasionally to 13 ft.  

$$

fzus63 kmqt 291500
glfls 
expires:202511292100;;711763

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat nov 29 2025

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

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

.synopsis...

a 29.8 inch low near the oklahoma panhandle will maintain its 
intensity as it tracks to lower michigan by sunday morning and then 
into southern quebec by sunday evening, sending a 30.0 inch trough 
over the eastern half of lake superior on sunday. in its wake, 30.6 
inch high pressure moves over the upper midwest, sliding south of 
the great lakes at 30.5 inches on monday. the high will weaken 
tuesday into wednesday as 29.7 inch low pressure moves across 
ontario and a 29.5 inch nor'easter develops over the mid atlantic. a 
30.4 inch high will build into the central plains on wednesday night 
into thursday, extending a 30.2 inch ridge over lake superior.



lsz264-292100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am est sat nov 29 2025

...gale watch in effect from late tonight through sunday
afternoon...

.rest of today...north winds less than 10 knots increasing to
5 to 15 knots by late morning, then veering northeast by mid
afternoon. a slight chance of snow showers. waves calm to 2 feet.
.tonight...northeast winds 10 to 20 knots increasing to 15 to
25 knots by midnight, then becoming north 20 to 30 knots late.
snow showers likely in the evening, then a chance of snow showers
after midnight. waves building to 5 to 8 feet occasionally to
10 feet. 
.sunday...north gales to 35 knots backing northwest by late
morning, then diminishing to 20 to 30 knots by mid afternoon. a
chance of snow showers. waves building to 6 to 10 feet
occasionally to 13 feet. 
.sunday night...northwest winds 20 to 30 knots becoming west
15 to 25 knots after midnight. a slight chance of snow showers in
the evening. waves subsiding to 2 to 4 feet, then building to
3 to 5 feet occasionally to 7 feet. 
.monday...west gales to 35 knots. a chance of snow showers. waves
building to 7 to 10 feet occasionally to 13 feet. 
.monday night...west winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. a chance of snow showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.tuesday...west winds 10 to 20 knots increasing to 15 to
25 knots. a chance of snow showers. waves subsiding to 2 to
4 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest gales to 35 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. 

$$

fzus63 kmqt 291500
glfls 
expires:202511292100;;711764

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat nov 29 2025

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

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

.synopsis...

a 29.8 inch low near the oklahoma panhandle will maintain its 
intensity as it tracks to lower michigan by sunday morning and then 
into southern quebec by sunday evening, sending a 30.0 inch trough 
over the eastern half of lake superior on sunday. in its wake, 30.6 
inch high pressure moves over the upper midwest, sliding south of 
the great lakes at 30.5 inches on monday. the high will weaken 
tuesday into wednesday as 29.7 inch low pressure moves across 
ontario and a 29.5 inch nor'easter develops over the mid atlantic. a 
30.4 inch high will build into the central plains on wednesday night 
into thursday, extending a 30.2 inch ridge over lake superior.



lsz265-292100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am est sat nov 29 2025

...gale watch in effect from late tonight through sunday
evening...

.rest of today...northwest winds 5 to 15 knots veering north by
late morning, then becoming east 10 to 20 knots by mid afternoon.
a chance of snow showers. waves calm to 2 feet. 
.tonight...east winds 10 to 20 knots increasing to 15 to 25 knots
by midnight, then becoming northeast 20 to 30 knots late. snow
showers. waves building to 3 to 6 feet occasionally to 8 feet. 
.sunday...north gales to 35 knots becoming northwest gales to
40 knots. snow showers. waves building to 7 to 11 feet
occasionally to 14 feet. 
.sunday night...northwest gales to 35 knots becoming west 15 to
25 knots after midnight. a chance of snow showers. waves
subsiding to 1 to 3 feet. 
.monday...southwest winds 20 to 30 knots. a chance of snow
showers. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 
.monday night...west winds 20 to 30 knots. a chance of snow
showers. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 
.tuesday...west winds 15 to 25 knots. snow showers likely. waves
subsiding to calm to 2 feet, then building to 2 to 4 feet. 
.wednesday...northwest gales to 40 knots. snow showers likely,
then a chance of snow showers. freezing spray. waves building to
7 to 10 feet occasionally to 13 feet, then subsiding to 3 to
6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 291500
glfls 
expires:202511292100;;711765

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat nov 29 2025

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

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

.synopsis...

a 29.8 inch low near the oklahoma panhandle will maintain its 
intensity as it tracks to lower michigan by sunday morning and then 
into southern quebec by sunday evening, sending a 30.0 inch trough 
over the eastern half of lake superior on sunday. in its wake, 30.6 
inch high pressure moves over the upper midwest, sliding south of 
the great lakes at 30.5 inches on monday. the high will weaken 
tuesday into wednesday as 29.7 inch low pressure moves across 
ontario and a 29.5 inch nor'easter develops over the mid atlantic. a 
30.4 inch high will build into the central plains on wednesday night 
into thursday, extending a 30.2 inch ridge over lake superior.



lsz266-292100-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 am est sat nov 29 2025

...gale watch in effect from sunday morning through sunday
evening...

.rest of today...north winds 5 to 15 knots veering east by mid
afternoon. a chance of snow showers. waves calm to 2 feet. 
.tonight...east winds 10 to 20 knots increasing to 15 to 25 knots
by midnight, then backing northeast late. snow showers. waves
building to 4 to 7 feet occasionally to 9 feet. 
.sunday...north gales to 35 knots becoming northwest gales to
40 knots by mid afternoon. snow showers. waves building to 10 to
14 feet occasionally to 18 feet. 
.sunday night...northwest gales to 35 knots becoming west 15 to
25 knots after midnight. snow showers in the evening, then a
chance of snow showers after midnight. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.monday...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a chance of snow showers. waves
building to 7 to 10 feet occasionally to 13 feet. 
.monday night...west winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.tuesday...west winds 15 to 25 knots backing southwest. a chance
of snow showers. waves subsiding to 2 to 4 feet, then building to
3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest gales to 40 knots. freezing spray. snow
showers. waves building to 10 to 14 feet occasionally to 18 feet,
then subsiding to 7 to 10 feet occasionally to 13 feet. 

$$

fzus63 kmqt 291500
glfls 
expires:202511292100;;711766

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat nov 29 2025

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

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

.synopsis...

a 29.8 inch low near the oklahoma panhandle will maintain its 
intensity as it tracks to lower michigan by sunday morning and then 
into southern quebec by sunday evening, sending a 30.0 inch trough 
over the eastern half of lake superior on sunday. in its wake, 30.6 
inch high pressure moves over the upper midwest, sliding south of 
the great lakes at 30.5 inches on monday. the high will weaken 
tuesday into wednesday as 29.7 inch low pressure moves across 
ontario and a 29.5 inch nor'easter develops over the mid atlantic. a 
30.4 inch high will build into the central plains on wednesday night 
into thursday, extending a 30.2 inch ridge over lake superior.



lsz267-292100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am est sat nov 29 2025

...gale watch in effect from sunday afternoon through sunday
evening...

.rest of today...southeast winds 10 to 20 knots. a chance of snow
showers. waves calm to 2 feet. 
.tonight...southeast winds 15 to 25 knots backing east by
midnight, then increasing to 20 to 30 knots late. snow showers.
waves building to 3 to 5 feet occasionally to 7 feet. 
.sunday...northeast winds 20 to 30 knots becoming north gales to
35 knots by late morning, then backing northwest by mid
afternoon. snow showers. waves building to 9 to 12 feet
occasionally to 15 feet. 
.sunday night...northwest gales to 35 knots becoming west 15 to
25 knots after midnight. snow showers. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.monday...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. snow showers likely in the morning,
then a chance of snow showers in the afternoon. waves building to
4 to 7 feet occasionally to 9 feet. 
.monday night...southwest winds 20 to 30 knots veering west after
midnight. a chance of snow showers in the evening, then snow
showers likely after midnight. waves subsiding to 3 to 6 feet
occasionally to 8 feet, then building to 4 to 7 feet occasionally
to 9 feet. 
.tuesday...west winds 15 to 25 knots backing southwest. snow
showers likely. waves subsiding to 2 to 4 feet, then building to
3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest gales to 35 knots. snow showers. freezing
spray. waves building to 10 to 14 feet occasionally to 18 feet,
then subsiding to 7 to 10 feet occasionally to 13 feet. 

$$

fzus63 kmqt 291500
glfls 
expires:202511292100;;711762

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat nov 29 2025

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

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

.synopsis...

a 29.8 inch low near the oklahoma panhandle will maintain its 
intensity as it tracks to lower michigan by sunday morning and then 
into southern quebec by sunday evening, sending a 30.0 inch trough 
over the eastern half of lake superior on sunday. in its wake, 30.6 
inch high pressure moves over the upper midwest, sliding south of 
the great lakes at 30.5 inches on monday. the high will weaken 
tuesday into wednesday as 29.7 inch low pressure moves across 
ontario and a 29.5 inch nor'easter develops over the mid atlantic. a 
30.4 inch high will build into the central plains on wednesday night 
into thursday, extending a 30.2 inch ridge over lake superior.



lsz263-292100-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 am est sat nov 29 2025

.rest of today...north winds 5 to 15 knots veering northeast by
late morning, then increasing to 10 to 20 knots by mid afternoon.
a chance of snow showers. waves calm to 2 feet building to 1 to
3 feet. 
.tonight...northeast winds 15 to 25 knots increasing to 20 to
30 knots by midnight, then backing north late. snow showers in
the evening, then a chance of snow showers after midnight. waves
building to 6 to 9 feet occasionally to 11 feet. 
.sunday...north winds to 30 knots with a few gale force gusts to
35 knots possible becoming northwest 20 to 30 knots. a chance of
snow showers. waves subsiding to 3 to 6 feet occasionally to
8 feet. 
.sunday night...northwest winds 15 to 25 knots backing west after
midnight. waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet. 
.monday...west gales to 35 knots backing southwest in the
afternoon. a slight chance of snow showers. waves building to
6 to 10 feet occasionally to 13 feet. 
.monday night...west winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.tuesday...southwest winds 10 to 20 knots becoming west 15 to
25 knots. a chance of snow showers. waves subsiding to 2 to
4 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest gales to 35 knots. a chance of snow
showers. freezing spray. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 

$$

fzus63 kmqt 291500
glfls 
expires:202511292100;;711761

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat nov 29 2025

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

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

.synopsis...

a 29.8 inch low near the oklahoma panhandle will maintain its 
intensity as it tracks to lower michigan by sunday morning and then 
into southern quebec by sunday evening, sending a 30.0 inch trough 
over the eastern half of lake superior on sunday. in its wake, 30.6 
inch high pressure moves over the upper midwest, sliding south of 
the great lakes at 30.5 inches on monday. the high will weaken 
tuesday into wednesday as 29.7 inch low pressure moves across 
ontario and a 29.5 inch nor'easter develops over the mid atlantic. a 
30.4 inch high will build into the central plains on wednesday night 
into thursday, extending a 30.2 inch ridge over lake superior.



lsz162-292100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est sat nov 29 2025 /900 am cst sat nov 29 2025/

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

$$