fzus63 kdtx 120119
glflh 
expires:202606120930;;591509

open lake forecast for lake huron
national weather service detroit/pontiac mi
919 pm edt thu jun 11 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...low pressure system, around 29.20 inches, will lift
northeast from southern wi into eastern ontario tonight which
will pull a cold front through the eastern lakes. there could be
a line of severe storms accompanying the front tonight. a second
front will pass through the area early sunday morning.


lhz361-362-120930-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
919 pm edt thu jun 11 2026

.rest of tonight...southeast winds 15 to 20 knots increasing to
20 to 25 knots after midnight...then veering to the south with
gusts to around 30 knots early in the morning. a chance of
showers and thunderstorms. waves 2 to 4 feet building to 5 to
7 feet after midnight. waves occasionally around 10 feet. 
.friday...west winds 15 to 20 knots becoming southwest 10 to
15 knots in the late morning and early afternoon...then becoming
south 5 to 10 knots late in the afternoon. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.friday night...southwest winds 5 to 10 knots increasing to 10 to
15 knots after midnight. waves 2 to 4 feet. 
.saturday...southwest winds 10 to 15 knots. a chance of showers
in the morning...then showers likely in the afternoon. waves 3 to
5 feet. 
.saturday night...southwest winds 10 to 15 knots becoming west
5 to 10 knots in the late evening and overnight. showers. waves
3 to 5 feet subsiding to 2 to 4 feet after midnight. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots
late in the morning...then becoming northwest 10 to 15 knots late
in the afternoon backing to the west late in the evening. a
chance of showers in the morning. waves 1 to 3 feet building to
3 to 5 feet. 
.monday...southwest winds 10 to 15 knots becoming west 5 to
10 knots by midnight. waves 2 to 4 feet subsiding to 1 to 3 feet
by midnight. 
.tuesday...southwest winds 5 to 10 knots backing to the southeast
early in the evening...then veering to the south by midnight. a
chance of showers early in the evening. waves 2 feet or less. 


$$

fzus63 kdtx 120119
glflh 
expires:202606120930;;591510

open lake forecast for lake huron
national weather service detroit/pontiac mi
919 pm edt thu jun 11 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...low pressure system, around 29.20 inches, will lift
northeast from southern wi into eastern ontario tonight which
will pull a cold front through the eastern lakes. there could be
a line of severe storms accompanying the front tonight. a second
front will pass through the area early sunday morning.


lhz363-120930-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
919 pm edt thu jun 11 2026

.rest of tonight...southeast winds 10 to 15 knots becoming south
20 to 25 knots. a chance of showers after midnight. waves 2 to
4 feet building to 4 to 6 feet after midnight. waves occasionally
around 8 feet. 
.friday...west winds 15 to 20 knots becoming southwest 10 to
15 knots in the late morning and afternoon. waves 4 to 6 feet
subsiding to 2 to 4 feet in the afternoon. waves occasionally
around 8 feet. 
.friday night...southwest winds 10 to 15 knots. waves 2 to
4 feet. 
.saturday...southwest winds 10 to 15 knots becoming south 15 to
20 knots early in the afternoon. waves 2 to 4 feet building to
3 to 5 feet in the late morning and afternoon. 
.saturday night...south winds 15 to 20 knots becoming southwest
10 to 15 knots by midnight...then becoming west 5 to 10 knots
after midnight. showers. waves 3 to 5 feet. 
.sunday...west winds 5 to 10 knots veering to the northwest late
in the morning...then increasing to 10 to 15 knots late in the
afternoon. showers in the morning...then a chance of showers late
in the morning. waves 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots by midnight. waves 2 to 4 feet subsiding to 1 to 3 feet
by midnight. 
.tuesday...south winds 5 to 10 knots. a chance of showers by
midnight. waves 1 to 3 feet. 


$$

fzus63 kdtx 120119
glflh 
expires:202606120930;;591511

open lake forecast for lake huron
national weather service detroit/pontiac mi
919 pm edt thu jun 11 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...low pressure system, around 29.20 inches, will lift
northeast from southern wi into eastern ontario tonight which
will pull a cold front through the eastern lakes. there could be
a line of severe storms accompanying the front tonight. a second
front will pass through the area early sunday morning.


lhz462>464-120930-
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-
919 pm edt thu jun 11 2026

.rest of tonight...southeast winds 10 to 15 knots becoming south
15 to 20 knots after midnight. a chance of showers after
midnight. waves 1 to 3 feet building to 3 to 5 feet after
midnight. 
.friday...west winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and afternoon. waves 3 to 5 feet. 
.friday night...southwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 
.saturday...southwest winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet early in the afternoon. 
.saturday night...southwest winds 10 to 15 knots. a chance of
showers in the evening...then showers and a chance of
thunderstorms after midnight. waves 2 to 4 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest 5 to
10 knots. showers likely and a chance of thunderstorms in the
morning. waves 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots by midnight. waves 2 to 4 feet subsiding to 1 to 3 feet
by midnight. 
.tuesday...southwest winds 5 to 10 knots. a chance of showers .
waves 2 feet or less. 


$$

fzus63 kmkx 120301
glflm 
expires:202606120430;;594688

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
1001 pm cdt thu jun 11 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...

modest to breezy west winds are expected late this evening into
the overnight due to the passage of low pressure and its cold
front. westerly winds will continue friday and shift to the 
southwest friday night into saturday in advance of a cold front 
passage. scattered showers and thunderstorms are expected with the
frontal passage. modest northwest winds can be expected with the
frontal passage late saturday night continuing through sunday
morning. 


lmz261-362-364-366-563-565-567-868-120430-
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-
1001 pm cdt thu jun 11 2026

sheboygan wi to pentwater mi north...

.tonight...south winds 15 to 25 kt veering to west to 30 kt. 
patchy fog this evening. showers with a chance of thunderstorms 
this evening, then slight chance of showers overnight. waves 5 to 
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 
9 ft.
.friday...southwest winds 15 to 25 kt. waves 3 to 5 ft.
.friday night...southwest winds 15 to 25 kt then becoming 
southwest 10 to 20 kt after midnight. waves 3 to 5 ft.
.saturday...southwest winds 15 to 25 kt increasing to 30 kt.
chance of showers in the morning, then showers likely with a
chance of thunderstorms in the afternoon. waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...southwest winds 15 to 25 kt becoming west 10 to
20 kt. chance of showers. waves 4 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft. 
.sunday...northwest winds 10 to 20 kt becoming west 15 to 25 kt.
waves 2 to 4 ft. 
.sunday night...west winds 10 to 20 kt. waves 2 to 4 ft. 
.monday...west winds 15 to 25 kt becoming southwest. waves 2 to
4 ft. 
.tuesday...southwest winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 120301
glflm 
expires:202606120430;;594689

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
1001 pm cdt thu jun 11 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...

modest to breezy west winds are expected late this evening into
the overnight due to the passage of low pressure and its cold
front. westerly winds will continue friday and shift to the 
southwest friday night into saturday in advance of a cold front 
passage. scattered showers and thunderstorms are expected with the
frontal passage. modest northwest winds can be expected with the
frontal passage late saturday night continuing through sunday
morning. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-120430-
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-
1001 pm cdt thu jun 11 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 20 to 30 kt becoming west after midnight 
diminishing to 15 to 25 kt late. scattered showers and
thunderstorms. waves 5 to 8 ft occasionally to 10 ft.
.friday...west winds 10 to 20 kt becoming southwest 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. 
.friday night...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday...southwest winds 15 to 25 kt becoming south to 30 kt.
chance of showers in the afternoon. waves 2 to 4 ft building to
4 to 6 ft occasionally to 8 ft. 
.saturday night...southwest winds 15 to 25 kt becoming west 10 to
20 kt. showers with a chance of thunderstorms in the evening,
then showers overnight. waves 4 to 6 ft occasionally to 8 ft
subsiding to 3 to 5 ft. 
.sunday...northwest winds 15 to 25 kt. showers in the morning.
waves 3 to 5 ft. 
.sunday night...west winds 10 to 20 kt. waves 2 to 4 ft. 
.monday...west winds 10 to 20 kt. waves 2 to 4 ft. 
.tuesday...southwest winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 120033
glflm 
expires:202606120900;;589682

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
733 pm cdt thu jun 11 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...

southwest winds will be breezy into this evening as low pressure 
around 29.5 inches moves from eastern iowa to central lake 
michigan. as the low exits to the east, winds will shift to the
west and remain breezy. numerous thunderstorms are expected this 
afternoon and evening and may become severe. by friday morning 
the low will continue to accelerate northeastward into ontario. 
westerly winds will continue friday and shift to the southwest 
friday night in to saturday in advance of a cold front passage.
scattered showers and thunderstorms will move northeast to
southeast across central and southern portions of lake michigan.
after the front exits early sunday, winds will shift to the
northwest.


lmz080-669-671-673-870-872-874-876-878-120900-
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 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-
733 pm cdt thu jun 11 2026

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

.tonight...south winds to 30 kt veering to west 15 to 25 kt.
showers with a chance of thunderstorms this evening. waves 6 to
9 ft occasionally to 12 ft. 
.friday...west winds 10 to 20 kt becoming southwest 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. 
.friday night...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday...southwest winds 15 to 25 kt becoming south to 30 kt.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...southwest winds 15 to 25 kt becoming west 10 to
20 kt. showers with a chance of thunderstorms in the evening,
then showers overnight. waves 4 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft. 
.sunday...northwest winds 15 to 25 kt. waves 3 to 5 ft. 
.sunday night...west winds 10 to 20 kt. waves 3 to 5 ft. 
.monday...west winds 10 to 20 kt becoming southwest. waves 3 to
5 ft. 
.tuesday...southwest winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmqt 120201
glfls 
expires:202606120800;;592427

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 11 2026

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

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

.synopsis... 

a 29.3 inch low lifts through the eastern lake tonight. behind the 
low, troughing progressively weakens to 29.7 inches tomorrow through 
tomorrow night. while troughing looks to restrengthen to 29.6 inches 
on saturday, expect weak ridging of 29.8 inches to return to lake 
superior on sunday. a 29.7 inch trough moves through the lake sunday 
night before 29.8 inch ridging pushes back in on monday. 




lsz267-120800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt thu jun 11 2026

.rest of tonight...east winds 10 to 20 knots becoming west 20 to
30 knots after midnight. showers and a chance of thunderstorms by
midnight, then a chance of showers after midnight. waves calm to
2 feet building to 3 to 5 feet occasionally to 7 feet. 
.friday...west winds 20 to 30 knots diminishing to 10 to 20 knots
in the afternoon. a slight chance of showers and thunderstorms by
mid afternoon. waves building to 3 to 6 feet occasionally to
8 feet, then subsiding to 2 to 4 feet. 
.friday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots late. a slight chance of showers. waves 2 to
4 feet. 
.saturday...southwest winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. a chance of showers and a slight
chance of thunderstorms. waves subsiding to 1 to 3 feet. 
.saturday night...west winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.sunday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.sunday night...west winds 15 to 25 knots. waves subsiding to
2 to 4 feet. 
.monday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.tuesday...southwest winds 5 to 15 knots backing south. waves
calm to 2 feet. 

$$

fzus63 kmqt 120201
glfls 
expires:202606120800;;592422

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 11 2026

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

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

.synopsis... 

a 29.3 inch low lifts through the eastern lake tonight. behind the 
low, troughing progressively weakens to 29.7 inches tomorrow through 
tomorrow night. while troughing looks to restrengthen to 29.6 inches 
on saturday, expect weak ridging of 29.8 inches to return to lake 
superior on sunday. a 29.7 inch trough moves through the lake sunday 
night before 29.8 inch ridging pushes back in on monday. 




lsz162-120800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt thu jun 11 2026 /900 pm cdt thu jun 11 2026/

.rest of tonight...southwest winds 10 to 20 knots becoming west
15 to 25 knots after midnight, then backing southwest late. a
chance of showers by midnight. waves calm to 2 feet building to
2 to 4 feet. 
.friday...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday night...west winds 15 to 25 knots backing southwest after
midnight. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 
.saturday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.saturday night...west winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...west winds 15 to 25 knots. waves building 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. 
.monday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots veering west. waves calm
to 2 feet. 

$$

fzus63 kmqt 120201
glfls 
expires:202606120800;;592423

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 11 2026

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

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

.synopsis... 

a 29.3 inch low lifts through the eastern lake tonight. behind the 
low, troughing progressively weakens to 29.7 inches tomorrow through 
tomorrow night. while troughing looks to restrengthen to 29.6 inches 
on saturday, expect weak ridging of 29.8 inches to return to lake 
superior on sunday. a 29.7 inch trough moves through the lake sunday 
night before 29.8 inch ridging pushes back in on monday. 




lsz263-120800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 pm edt thu jun 11 2026

.rest of tonight...southwest winds 5 to 15 knots becoming west
15 to 25 knots after midnight. showers by midnight, then a slight
chance of showers after midnight. waves 1 to 3 feet subsiding to
calm to 2 feet, then building to 3 to 5 feet occasionally to
7 feet. 
.friday...southwest winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet. 
.friday night...southwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight, then increasing to 15 to 25 knots
late. waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet. 
.saturday...west winds 15 to 25 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.saturday night...west winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves subsiding to 2 to 4 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.sunday...west winds 15 to 25 knots increasing to 20 to 30 knots
by mid afternoon. waves building to 3 to 6 feet occasionally to
8 feet. 
.sunday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing south. waves
calm to 2 feet. 

$$

fzus63 kmqt 120201
glfls 
expires:202606120800;;592424

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 11 2026

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

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

.synopsis... 

a 29.3 inch low lifts through the eastern lake tonight. behind the 
low, troughing progressively weakens to 29.7 inches tomorrow through 
tomorrow night. while troughing looks to restrengthen to 29.6 inches 
on saturday, expect weak ridging of 29.8 inches to return to lake 
superior on sunday. a 29.7 inch trough moves through the lake sunday 
night before 29.8 inch ridging pushes back in on monday. 




lsz264-120800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt thu jun 11 2026

.rest of tonight...west winds 5 to 15 knots increasing to 15 to
25 knots after midnight. showers by midnight, then a chance of
showers after midnight. waves calm to 2 feet building to 3 to
5 feet occasionally to 7 feet. 
.friday...west winds 15 to 25 knots becoming southwest 20 to
30 knots in the afternoon. waves building to 4 to 7 feet
occasionally to 9 feet. 
.friday night...southwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet,
then building to 3 to 5 feet occasionally to 7 feet. 
.saturday...west winds 15 to 25 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.saturday night...west winds 10 to 20 knots. waves subsiding to
2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.sunday night...west winds 10 to 20 knots. waves subsiding to
2 to 4 feet. 
.monday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing south. waves
calm to 2 feet. 

$$

fzus63 kmqt 120201
glfls 
expires:202606120800;;592425

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 11 2026

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

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

.synopsis... 

a 29.3 inch low lifts through the eastern lake tonight. behind the 
low, troughing progressively weakens to 29.7 inches tomorrow through 
tomorrow night. while troughing looks to restrengthen to 29.6 inches 
on saturday, expect weak ridging of 29.8 inches to return to lake 
superior on sunday. a 29.7 inch trough moves through the lake sunday 
night before 29.8 inch ridging pushes back in on monday. 




lsz265-120800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt thu jun 11 2026

.rest of tonight...north winds 15 to 25 knots backing west after
midnight, then increasing to 20 to 30 knots late. showers. waves
calm to 2 feet building to 2 to 4 feet. 
.friday...west winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon. a slight chance of showers by mid afternoon.
waves subsiding to 1 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.friday night...southwest winds 15 to 25 knots. a slight chance
of showers. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.saturday...west winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. a slight chance of showers. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet. 
.saturday night...west winds 15 to 25 knots. waves subsiding to
1 to 3 feet. 
.sunday...west winds 20 to 30 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.sunday night...west winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.tuesday...southeast winds 10 to 20 knots veering south. waves
calm to 2 feet. 

$$

fzus63 kmqt 120201
glfls 
expires:202606120800;;592426

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 11 2026

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

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

.synopsis... 

a 29.3 inch low lifts through the eastern lake tonight. behind the 
low, troughing progressively weakens to 29.7 inches tomorrow through 
tomorrow night. while troughing looks to restrengthen to 29.6 inches 
on saturday, expect weak ridging of 29.8 inches to return to lake 
superior on sunday. a 29.7 inch trough moves through the lake sunday 
night before 29.8 inch ridging pushes back in on monday. 




lsz266-120800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 pm edt thu jun 11 2026

.rest of tonight...north winds 10 to 20 knots becoming northwest
15 to 25 knots after midnight, then becoming west 20 to 30 knots
late. showers and a slight chance of thunderstorms by midnight,
then a slight chance of showers after midnight. waves calm to
2 feet building to 3 to 5 feet occasionally to 7 feet. 
.friday...west winds 15 to 25 knots. a slight chance of showers
and thunderstorms by mid afternoon. waves building to 4 to 7 feet
occasionally to 9 feet. 
.friday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. a slight chance of showers. waves
subsiding to 2 to 4 feet. 
.saturday...southwest winds 15 to 25 knots veering west by mid
afternoon. a slight chance of showers and thunderstorms. waves
building to 3 to 5 feet occasionally to 7 feet. 
.saturday night...west winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves subsiding to 2 to 4 feet. 
.sunday...west winds 15 to 25 knots increasing to 20 to 30 knots
by mid afternoon. waves building to 3 to 5 feet occasionally to
7 feet. 
.sunday night...west winds 15 to 25 knots. waves subsiding to
2 to 4 feet. 
.monday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.tuesday...west winds 5 to 15 knots backing south. waves calm to
2 feet. 

$$