fzus63 kdtx 110025 aaa
glflh 
expires:202606110830;;531111

open lake forecast for lake huron...updated
national weather service detroit/pontiac mi
825 pm edt wed jun 10 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...several disturbances bring showers, storms, and 
chances of severe weather the next couple days, mainly tonight and
again thursday night. a cold front then passes through early 
friday morning.


lhz361-362-110830-
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-
825 pm edt wed jun 10 2026

.rest of tonight...east winds 5 to 10 knots becoming southeast
10 to 15 knots after midnight...then veering to the south early
in the morning. a chance of thunderstorms this evening...then a
chance of showers and thunderstorms after midnight. patchy dense
fog. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.thursday night...north winds 5 to 10 knots becoming southeast
10 to 15 knots by midnight...then increasing to 15 to 20 knots
after midnight. a chance of showers in the evening...then a
chance of showers and thunderstorms after midnight. waves 1 to
3 feet building to 5 to 7 feet. waves occasionally around
10 feet. 
.friday...southwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 4 to 6 feet. 
.friday night...southwest winds 5 to 10 knots increasing to 10 to
15 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. waves occasionally
around 8 feet. 
.saturday...southwest winds 10 to 15 knots veering to the west
late in the evening. a chance of showers. a chance of
thunderstorms. rain showers likely late in the afternoon. waves
3 to 5 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots
early in the evening...then decreasing to 10 to 15 knots by
midnight. a chance of showers early in the morning. waves 2 to
4 feet building to 3 to 5 feet. 
.monday...west winds 10 to 15 knots backing to the south early in
the evening...then becoming southeast 5 to 10 knots by midnight.
waves 2 to 4 feet subsiding to 1 to 3 feet by midnight. 


$$

fzus63 kdtx 110025 aaa
glflh 
expires:202606110830;;531112

open lake forecast for lake huron...updated
national weather service detroit/pontiac mi
825 pm edt wed jun 10 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...several disturbances bring showers, storms, and 
chances of severe weather the next couple days, mainly tonight and
again thursday night. a cold front then passes through early 
friday morning.


lhz363-110830-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
825 pm edt wed jun 10 2026

...severe thunderstorm watch 307 in effect until midnight edt
tonight...

.rest of tonight...south winds 10 to 15 knots. showers likely and
a chance of thunderstorms this evening...then a chance of showers
and thunderstorms after midnight. patchy fog after midnight.
waves 1 to 3 feet building to 2 to 4 feet early in the morning. 
.thursday...southwest winds 10 to 15 knots becoming south 5 to
10 knots late in the afternoon. a chance of showers in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon. 
.thursday night...southeast winds 5 to 10 knots becoming south
10 to 15 knots by midnight...then increasing to 15 to 20 knots
after midnight. a chance of showers and thunderstorms in the
evening...then showers likely and a chance of thunderstorms after
midnight. waves 1 to 3 feet building to 4 to 6 feet in the late
evening and overnight. waves occasionally around 8 feet. 
.friday...southwest 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. 
.saturday...southwest winds 10 to 15 knots becoming south 15 to
20 knots late in the afternoon...then becoming northwest 10 to
15 knots late in the evening. showers and a chance of
thunderstorms late in the afternoon. rain showers likely and a
chance of thunderstorms late in the evening. waves 1 to 3 feet
building to 3 to 5 feet. 
.sunday...southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and early afternoon...then becoming
northwest 10 to 15 knots . a chance of showers early in the
morning. waves 1 to 3 feet building to 2 to 4 feet . 
.monday...west winds 10 to 15 knots becoming south 5 to 10 knots
early in the evening...then backing to the east by midnight.
waves 2 to 4 feet subsiding to 1 to 3 feet. 


$$

fzus63 kdtx 110025 aaa
glflh 
expires:202606110830;;531113

open lake forecast for lake huron...updated
national weather service detroit/pontiac mi
825 pm edt wed jun 10 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...several disturbances bring showers, storms, and 
chances of severe weather the next couple days, mainly tonight and
again thursday night. a cold front then passes through early 
friday morning.


lhz462>464-110830-
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-
825 pm edt wed jun 10 2026

...severe thunderstorm watch 307 in effect until midnight edt
tonight...

.rest of tonight...southeast winds 5 to 10 knots becoming south
10 to 15 knots after midnight. a chance of thunderstorms this
evening...then a chance of showers and thunderstorms after
midnight. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the afternoon...then backing to the southeast
late in the afternoon. a chance of showers in the morning. waves
1 to 3 feet. 
.thursday night...southeast winds 5 to 10 knots becoming south
15 to 20 knots. a chance of showers in the evening...then a
chance of showers and thunderstorms after midnight. waves 1 to
3 feet building to 4 to 6 feet after midnight. waves occasionally
around 8 feet. 
.friday...southwest winds 15 to 20 knots becoming west 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. 
.saturday...southwest winds 10 to 15 knots. showers likely and a
chance of thunderstorms late in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest 5 to
10 knots. showers likely early in the morning...then a chance of
showers in the late morning and early afternoon. waves 1 to
3 feet. 
.monday...west winds 10 to 15 knots becoming north 5 to 10 knots
. waves 1 to 3 feet. 


$$

fzus63 kmkx 102154
glflm 
expires:202606110300;;524643

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
454 pm cdt wed jun 10 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...

a warm front continues to lift northward over lake michigan this
morning, causing a wind shift to southeasterly. as the winds 
shift, fog continues to retreat northward over the lake. a marine 
dense fog advisory remains in effect at this time, with the
northern half's advisory running until 7pm cdt, while the middle
quarter will run until 2pm cdt. visibility has largely improved
over the southern end of lake michigan, and the advisory was
cancelled for this portion of the lake. winds will then remain 
southerly through today as low pressure of 29.3 inches approaches 
from the northern plains. the winds may become moderately breezy 
this afternoon into the evening. thunderstorms are expected over 
the lake at times on today, with some strong storms favored this 
afternoon into tonight.

winds come around to southwesterly tonight into thursday, with 
winds then returning to southeasterly ahead of an approaching cold
front on thursday, with additional storms possible.

winds will become westerly and breezy behind the front on friday 
as low pressure of 29.3 inches sits near hudson bay and high 
pressure around 30.0 inches builds into the mid mississippi river 
valley.


lmz261-362-364-366-563-565-567-868-110300-
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-
454 pm cdt wed jun 10 2026

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until 7 pm cdt this evening...

.tonight...south winds 15 to 25 kt becoming southwest. patchy
fog. chance of showers and thunderstorms. waves 4 to 6 ft
occasionally to 8 ft. 
.thursday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. patchy fog in the morning, then patchy dense fog in the
afternoon. chance of showers and thunderstorms in the afternoon.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.thursday night...south winds to 30 kt veering to west. showers
with a chance of thunderstorms in the evening, then showers
overnight. waves 4 to 7 ft occasionally to 9 ft. 
.friday...southwest winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft. 
.friday night...southwest winds to 30 kt diminishing to 15 to
25 kt. waves 3 to 5 ft. 
.saturday...southwest winds 15 to 25 kt increasing to 30 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.sunday...northwest winds 10 to 20 kt becoming west 15 to 25 kt.
waves 2 to 4 ft.  

$$

fzus63 kmkx 102154
glflm 
expires:202606110300;;524644

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
454 pm cdt wed jun 10 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...

a warm front continues to lift northward over lake michigan this
morning, causing a wind shift to southeasterly. as the winds 
shift, fog continues to retreat northward over the lake. a marine 
dense fog advisory remains in effect at this time, with the
northern half's advisory running until 7pm cdt, while the middle
quarter will run until 2pm cdt. visibility has largely improved
over the southern end of lake michigan, and the advisory was
cancelled for this portion of the lake. winds will then remain 
southerly through today as low pressure of 29.3 inches approaches 
from the northern plains. the winds may become moderately breezy 
this afternoon into the evening. thunderstorms are expected over 
the lake at times on today, with some strong storms favored this 
afternoon into tonight.

winds come around to southwesterly tonight into thursday, with 
winds then returning to southeasterly ahead of an approaching cold
front on thursday, with additional storms possible.

winds will become westerly and breezy behind the front on friday 
as low pressure of 29.3 inches sits near hudson bay and high 
pressure around 30.0 inches builds into the mid mississippi river 
valley.


lmz080-669-671-673-675-777-779-870-872-874-876-878-110300-
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-
454 pm cdt wed jun 10 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 15 to 25 kt becoming southwest. showers
and thunderstorms likely. waves 3 to 5 ft. 
.thursday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.thursday night...southwest winds to 30 kt becoming west. showers
with a chance of thunderstorms. waves 4 to 6 ft occasionally to
8 ft. 
.friday...west winds 10 to 20 kt becoming southwest. waves 3 to
5 ft subsiding to 2 to 4 ft. 
.friday night...southwest winds 10 to 20 kt. waves 1 to 3 ft. 
.saturday...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.sunday...northwest winds 10 to 20 kt becoming north. chance of
showers. waves 2 to 4 ft.  

$$

fzus63 kmqt 102001
glfls 
expires:202606110800;;519928

open lake forecast for lake superior
national weather service marquette mi
401 pm edt wed jun 10 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... 

troughing deepens to around 29.5 inches by this evening as the 
parent low tracks into northern ontario at 29.3 inches. pressure 
over lake superior hold at around 29.6 inches on thursday until 
another colorado low lifts into the upper great lakes at around 29.5 
inches in the evening. behind the low, troughing progressively 
weakens to 29.8 inches friday through friday night. while troughing 
may restrengthen a little to 29.7 inches on saturday, expect weak 
ridging of 30.0 inches to return to lake superior on sunday. 




lsz162-110800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt wed jun 10 2026 /301 pm cdt wed jun 10 2026/

...dense fog advisory in effect until 8 am edt /7 am cdt/
thursday...

.late this afternoon...east winds 10 to 20 knots. patchy dense
fog. showers and a chance of thunderstorms. some thunderstorms
may be severe. waves 1 to 3 feet. 
.tonight...east winds 5 to 15 knots becoming southwest 10 to
20 knots after midnight. a chance of showers and thunderstorms
through midnight. patchy dense fog. some thunderstorms may be
severe. waves subsiding to calm to 2 feet, then building to 1 to
3 feet. 
.thursday...southwest winds 10 to 20 knots increasing to 15 to
25 knots late. patchy fog through early afternoon. a chance of
showers and a slight chance of thunderstorms by mid afternoon.
waves 1 to 3 feet. 
.thursday night...southwest winds 15 to 25 knots veering west
late. a chance of showers through midnight. waves building to
2 to 4 feet. 
.friday...southwest winds 15 to 25 knots becoming west 20 to
30 knots by mid afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday night...west winds 10 to 20 knots. waves subsiding to
calm to 2 feet, then building to 1 to 3 feet. 
.saturday...west winds 15 to 25 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.saturday night...west winds 15 to 25 knots. waves subsiding to
calm to 2 feet. 
.sunday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.monday...southwest winds 10 to 20 knots becoming west 5 to
15 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 102001
glfls 
expires:202606110800;;519933

open lake forecast for lake superior
national weather service marquette mi
401 pm edt wed jun 10 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... 

troughing deepens to around 29.5 inches by this evening as the 
parent low tracks into northern ontario at 29.3 inches. pressure 
over lake superior hold at around 29.6 inches on thursday until 
another colorado low lifts into the upper great lakes at around 29.5 
inches in the evening. behind the low, troughing progressively 
weakens to 29.8 inches friday through friday night. while troughing 
may restrengthen a little to 29.7 inches on saturday, expect weak 
ridging of 30.0 inches to return to lake superior on sunday. 




lsz267-110800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt wed jun 10 2026

...dense fog advisory in effect until 8 am edt thursday...

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

$$

fzus63 kmqt 102001
glfls 
expires:202606110800;;519929

open lake forecast for lake superior
national weather service marquette mi
401 pm edt wed jun 10 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... 

troughing deepens to around 29.5 inches by this evening as the 
parent low tracks into northern ontario at 29.3 inches. pressure 
over lake superior hold at around 29.6 inches on thursday until 
another colorado low lifts into the upper great lakes at around 29.5 
inches in the evening. behind the low, troughing progressively 
weakens to 29.8 inches friday through friday night. while troughing 
may restrengthen a little to 29.7 inches on saturday, expect weak 
ridging of 30.0 inches to return to lake superior on sunday. 




lsz263-110800-
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 pm edt wed jun 10 2026

...dense fog advisory in effect until 8 am edt thursday...

.late this afternoon...east winds 10 to 20 knots. patchy dense
fog. a chance of showers and thunderstorms. some thunderstorms
may be severe. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...south winds 10 to 20 knots veering southwest after
midnight. patchy dense fog. a chance of thunderstorms through
midnight. a chance of showers. some thunderstorms may be severe.
waves subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.thursday...southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon, then diminishing to 10 to 20 knots
late. areas of dense fog through early afternoon. a chance of
showers by mid afternoon. waves 2 to 4 feet. 
.thursday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight, then veering west late. a chance
of showers. waves building to 3 to 6 feet occasionally to 8 feet.
.friday...southwest winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet. 
.friday night...west winds 15 to 25 knots backing southwest after
midnight. waves subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 25 knots. 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, then
building to 3 to 5 feet occasionally to 7 feet. 
.sunday...west winds 15 to 25 knots. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.monday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 102001
glfls 
expires:202606110800;;519930

open lake forecast for lake superior
national weather service marquette mi
401 pm edt wed jun 10 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... 

troughing deepens to around 29.5 inches by this evening as the 
parent low tracks into northern ontario at 29.3 inches. pressure 
over lake superior hold at around 29.6 inches on thursday until 
another colorado low lifts into the upper great lakes at around 29.5 
inches in the evening. behind the low, troughing progressively 
weakens to 29.8 inches friday through friday night. while troughing 
may restrengthen a little to 29.7 inches on saturday, expect weak 
ridging of 30.0 inches to return to lake superior on sunday. 




lsz264-110800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt wed jun 10 2026

...dense fog advisory in effect until 8 am edt thursday...

.late this afternoon...southeast winds 15 to 25 knots. areas of
dense fog. a chance of showers and thunderstorms. waves 2 to
4 feet. 
.tonight...southeast winds 15 to 25 knots becoming south 10 to
20 knots after midnight, then veering southwest late. areas of
dense fog. showers likely and a chance of thunderstorms through
midnight. a chance of showers after midnight. some thunderstorms
may be severe. waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to 2 to 4 feet. 
.thursday...southwest winds 10 to 20 knots backing south late.
areas of dense fog through early afternoon. a chance of showers
by mid afternoon. waves 2 to 4 feet. 
.thursday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots late. a chance of showers. waves subsiding to 1 to
3 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.friday...west winds 20 to 30 knots backing southwest by mid
afternoon. waves building to 4 to 7 feet occasionally to 9 feet. 
.friday night...west winds 15 to 25 knots becoming southwest
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.saturday night...west winds 10 to 20 knots. 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. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots becoming southwest 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 102001
glfls 
expires:202606110800;;519931

open lake forecast for lake superior
national weather service marquette mi
401 pm edt wed jun 10 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... 

troughing deepens to around 29.5 inches by this evening as the 
parent low tracks into northern ontario at 29.3 inches. pressure 
over lake superior hold at around 29.6 inches on thursday until 
another colorado low lifts into the upper great lakes at around 29.5 
inches in the evening. behind the low, troughing progressively 
weakens to 29.8 inches friday through friday night. while troughing 
may restrengthen a little to 29.7 inches on saturday, expect weak 
ridging of 30.0 inches to return to lake superior on sunday. 




lsz265-110800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt wed jun 10 2026

...dense fog advisory in effect until 8 am edt thursday...

.late this afternoon...southeast winds 15 to 25 knots. patchy
dense fog. a slight chance of showers and thunderstorms. some
thunderstorms may be severe. waves 3 to 5 feet occasionally to
7 feet. 
.tonight...south winds 15 to 25 knots becoming southwest 10 to
20 knots late. patchy dense fog. a chance of thunderstorms
through midnight. a chance of showers. some thunderstorms may be
severe. waves subsiding to 1 to 3 feet. 
.thursday...west winds 10 to 20 knots backing south in the
afternoon, then backing southeast late. patchy dense fog through
early afternoon. a chance of showers by mid afternoon. waves
subsiding to calm to 2 feet. 
.thursday night...southwest winds 10 to 20 knots becoming west
15 to 25 knots after midnight, then increasing to 20 to 30 knots
late. showers likely through midnight, then a chance of showers
after midnight. waves building to 2 to 4 feet. 
.friday...west winds 15 to 25 knots increasing to 20 to 30 knots
by mid afternoon. a slight chance of showers by mid afternoon.
waves building to 3 to 5 feet occasionally to 7 feet. 
.friday night...west winds 15 to 25 knots backing southwest after
midnight. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.saturday...west winds 20 to 30 knots. waves building to 2 to
4 feet. 
.saturday night...west winds 20 to 30 knots. waves 2 to 4 feet. 
.sunday...west winds 20 to 30 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 1 to 3 feet. 
.monday...west winds 10 to 20 knots backing southwest. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 102001
glfls 
expires:202606110800;;519932

open lake forecast for lake superior
national weather service marquette mi
401 pm edt wed jun 10 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... 

troughing deepens to around 29.5 inches by this evening as the 
parent low tracks into northern ontario at 29.3 inches. pressure 
over lake superior hold at around 29.6 inches on thursday until 
another colorado low lifts into the upper great lakes at around 29.5 
inches in the evening. behind the low, troughing progressively 
weakens to 29.8 inches friday through friday night. while troughing 
may restrengthen a little to 29.7 inches on saturday, expect weak 
ridging of 30.0 inches to return to lake superior on sunday. 




lsz266-110800-
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 pm edt wed jun 10 2026

...dense fog advisory in effect until 8 am edt thursday...

.late this afternoon...southeast winds 15 to 25 knots. areas of
dense fog. a slight chance of showers and thunderstorms. some
thunderstorms may be severe. waves 2 to 4 feet building to 3 to
5 feet occasionally to 7 feet. 
.tonight...south winds 15 to 25 knots becoming southwest 10 to
20 knots late. areas of dense fog. a chance of thunderstorms
through midnight. a chance of showers. waves subsiding to 2 to
4 feet. 
.thursday...southwest winds 10 to 20 knots becoming southeast
5 to 15 knots late. areas of dense fog through early afternoon. a
chance of showers by mid afternoon. waves subsiding to 1 to
3 feet. 
.thursday night...southeast winds 10 to 20 knots becoming west
15 to 25 knots after midnight, then increasing to 20 to 30 knots
late. a chance of showers. waves subsiding to calm to 2 feet,
then building to 3 to 5 feet occasionally to 7 feet. 
.friday...west winds 15 to 25 knots. a slight chance of showers
by mid afternoon. waves building to 4 to 7 feet occasionally to
9 feet. 
.friday night...southwest winds 15 to 25 knots. waves subsiding
to 2 to 4 feet. 
.saturday...southwest winds 15 to 25 knots veering west by mid
afternoon. a chance of showers. waves 2 to 4 feet. 
.saturday night...west winds 15 to 25 knots. waves 2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots backing southwest. waves
subsiding to calm to 2 feet. 

$$