fzus63 kdtx 100745
glflh 
expires:202606101545;;490686

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 am 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...weak low pressure, 29.80 inches, will depart lake
huron this morning, then a weak ridge will build into the
southern lakes today. several disturbances bring showers, storms,
and a chance of severe weather the next couple days, mainly
tonight and again thursday night. a cold front then passes
through early friday morning.


lhz361-101545-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
345 am edt wed jun 10 2026

...dense fog advisory in effect until 11 am edt this morning...

.today...light and variable winds becoming west 5 to 10 knots in
the late morning and afternoon. areas of dense fog in the
morning. waves 2 feet or less. 
.tonight...east winds 5 to 10 knots becoming southeast 10 to
15 knots by midnight...then becoming south 5 to 10 knots early in
the morning. a chance of thunderstorms in the evening...then a
chance of showers and thunderstorms after midnight. patchy fog
after midnight. waves 2 feet or less. 
.thursday...south winds 10 to 15 knots veering to the west in the
late morning and early afternoon...then decreasing to 5 to
10 knots early in the afternoon. waves 1 to 3 feet. 
.thursday night...north winds 5 to 10 knots becoming southeast
15 to 20 knots by midnight...then increasing to 20 to 25 knots
after midnight. showers and a chance of thunderstorms. waves
2 feet or less building to 4 to 6 feet in the late evening and
overnight. waves occasionally around 8 feet. 
.friday...west winds 15 to 20 knots decreasing to 10 to 15 knots
late in the afternoon. waves 4 to 6 feet subsiding to 1 to 3 feet
late in the evening. waves occasionally around 8 feet. 
.saturday...west winds 10 to 15 knots. a chance of showers .
waves 2 to 4 feet subsiding to 1 to 3 feet by midnight. 
.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 1 to
3 feet building to 3 to 5 feet. 


$$

fzus63 kdtx 100745
glflh 
expires:202606101545;;490687

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 am 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...weak low pressure, 29.80 inches, will depart lake
huron this morning, then a weak ridge will build into the
southern lakes today. several disturbances bring showers, storms,
and a chance of severe weather the next couple days, mainly
tonight and again thursday night. a cold front then passes
through early friday morning.


lhz362-363-101545-
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-
345 am edt wed jun 10 2026

...dense fog advisory in effect until 11 am edt this morning...

.today...west winds 5 to 10 knots backing to the southeast late
in the afternoon. areas of dense fog in the morning. patchy fog
in the afternoon. waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. patchy fog. a chance
of showers and thunderstorms after midnight. waves 1 to 3 feet
building to 2 to 4 feet early in the morning. 
.thursday...south winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon. 
.thursday night...east winds 5 to 10 knots becoming southeast
15 to 20 knots in the late evening and overnight. showers likely
and a chance of thunderstorms in the evening...then showers 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...west winds 10 to 15 knots becoming southwest 5 to
10 knots late in the afternoon...then increasing to 10 to
15 knots late in the evening. waves 3 to 5 feet. 
.saturday...southwest winds 10 to 15 knots becoming south 15 to
20 knots early in the evening...then becoming west 10 to 15 knots
by midnight. a chance of showers by midnight. waves 2 to 4 feet. 
.sunday...west winds 10 to 15 knots veering to the northwest . a
chance of showers until afternoon. waves 2 to 4 feet building to
3 to 5 feet. 


$$

fzus63 kdtx 100745
glflh 
expires:202606101545;;490688

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 am 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...weak low pressure, 29.80 inches, will depart lake
huron this morning, then a weak ridge will build into the
southern lakes today. several disturbances bring showers, storms,
and a chance of severe weather the next couple days, mainly
tonight and again thursday night. a cold front then passes
through early friday morning.


lhz462>464-101545-
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-
345 am edt wed jun 10 2026

...dense fog advisory in effect until 11 am edt this morning...

.today...southwest winds 5 to 10 knots veering to the northeast
late in the afternoon. patchy dense fog in the morning. waves
2 feet or less. 
.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots after midnight. a chance of thunderstorms in the
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. waves 2 to 4 feet subsiding to
1 to 3 feet early 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 in the evening...then a
chance of showers and thunderstorms after midnight. waves 1 to
3 feet building to 3 to 5 feet after midnight. 
.friday...west winds 10 to 15 knots. waves 3 to 5 feet. 
.saturday...southwest winds 10 to 15 knots. a chance of showers
by midnight. waves 2 to 4 feet. 
.sunday...southwest winds 10 to 15 knots becoming west 5 to
10 knots. a chance of showers until afternoon. waves 1 to 3 feet.


$$

fzus63 kmkx 100825
glflm 
expires:202606101515;;492649

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
325 am 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...

marine dense fog advisory in effect across the whole lake until 
mid- morning. this may need to be extended.  

generally light northerly winds will continue for the north half
until the warm front lifts through the lake by late morning and 
flips winds around to southerly and southeasterly. winds will then
remain southerly through wednesday as low pressure of 29.3 inches
approaches from the northern plains. the winds may become 
moderately breezy late wednesday afternoon into the evening. 
thunderstorms are expected over the lake at times on wednesday, 
with some strong storms favored wednesday afternoon and night.

winds come around to southwesterly wednesday night 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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-101515-
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-
325 am cdt wed jun 10 2026

sheboygan wi to pentwater mi south...

...dense fog advisory in effect until 10 am cdt this morning...

.today...southeast winds 10 to 15 kt becoming south 15 to 25 kt.
patchy dense fog this morning, then patchy fog this afternoon.
slight chance of showers and thunderstorms this morning, then
chance of showers and thunderstorms this afternoon. waves 1 ft or
less building to 4 to 6 ft occasionally to 8 ft. 
.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. waves 3 to 5 ft. 
.thursday night...southwest winds to 30 kt becoming west. showers
with a chance of thunderstorms in the evening, then showers
overnight. waves 4 to 7 ft occasionally to 9 ft. 
.friday...west winds 15 to 25 kt becoming southwest. waves 4 to
6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.friday night...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday...southwest winds 10 to 20 kt increasing to 30 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.sunday...northwest winds 10 to 20 kt becoming north. waves 2 to
4 ft.  

$$

fzus63 kmkx 100825
glflm 
expires:202606101515;;492648

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
325 am 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...

marine dense fog advisory in effect across the whole lake until 
mid- morning. this may need to be extended.  

generally light northerly winds will continue for the north half
until the warm front lifts through the lake by late morning and 
flips winds around to southerly and southeasterly. winds will then
remain southerly through wednesday as low pressure of 29.3 inches
approaches from the northern plains. the winds may become 
moderately breezy late wednesday afternoon into the evening. 
thunderstorms are expected over the lake at times on wednesday, 
with some strong storms favored wednesday afternoon and night.

winds come around to southwesterly wednesday night 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.


lmz261-362-364-366-563-565-567-868-101515-
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-
325 am cdt wed jun 10 2026

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until 10 am cdt this morning...

.today...south winds 5 to 10 kt increasing to 15 to 25 kt. areas
of dense fog this morning, then patchy fog this afternoon. slight
chance of showers and thunderstorms. waves 1 to 2 ft building to
3 to 5 ft. 
.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. 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 kmqt 100801
glfls 
expires:202606102000;;490986

open lake forecast for lake superior
national weather service marquette mi
400 am 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... 

weak ridging of 29.8 inches this morning gives way to troughing by 
this afternoon, with the troughing deepening 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. 




lsz264-102000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt wed jun 10 2026

...dense fog advisory in effect until 11 am edt this morning...

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

$$

fzus63 kmqt 100801
glfls 
expires:202606102000;;490987

open lake forecast for lake superior
national weather service marquette mi
400 am 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... 

weak ridging of 29.8 inches this morning gives way to troughing by 
this afternoon, with the troughing deepening 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. 




lsz265-102000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt wed jun 10 2026

...dense fog advisory in effect until 11 am edt this morning...

.early this morning...southeast winds 5 to 15 knots. widespread
dense fog. waves calm to 2 feet. 
.today...southeast winds 10 to 20 knots increasing to 20 to
30 knots. widespread dense fog through early afternoon. patchy
dense fog by mid afternoon. a slight chance of showers. a slight
chance of thunderstorms by mid afternoon. waves building to 3 to
6 feet occasionally to 8 feet. 
.tonight...southeast winds 20 to 30 knots becoming south 15 to
25 knots after midnight, then veering southwest late. a chance of
thunderstorms through midnight. a chance of showers. waves
subsiding to 2 to 4 feet. 
.thursday...west winds 10 to 20 knots backing south late. a
chance of showers by mid afternoon. waves subsiding to calm to
2 feet. 
.thursday night...west winds 10 to 20 knots increasing to 15 to
25 knots after midnight. showers likely through midnight, then a
chance of showers after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.friday...west winds 20 to 30 knots. waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.friday night...southwest winds 15 to 25 knots becoming west
20 to 30 knots after midnight. waves subsiding to 1 to 3 feet,
then building to 2 to 4 feet. 
.saturday...west winds 20 to 30 knots diminishing to 15 to
25 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 1 to 3 feet. 
.sunday...west winds 15 to 25 knots. waves building to 2 to
4 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 100801
glfls 
expires:202606102000;;490988

open lake forecast for lake superior
national weather service marquette mi
400 am 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... 

weak ridging of 29.8 inches this morning gives way to troughing by 
this afternoon, with the troughing deepening 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. 




lsz266-102000-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 am edt wed jun 10 2026

...dense fog advisory in effect until 11 am edt this morning...

.early this morning...southeast winds 5 to 15 knots. widespread
dense fog. waves calm to 2 feet. 
.today...southeast winds 5 to 15 knots increasing to 15 to
25 knots in the afternoon. widespread dense fog through early
afternoon. a slight chance of showers and thunderstorms by mid
afternoon. waves building to 3 to 5 feet occasionally to 7 feet. 
.tonight...southeast winds 20 to 30 knots becoming south 15 to
25 knots after midnight, then becoming southwest 10 to 20 knots
late. a chance of showers and thunderstorms. waves 3 to 5 feet
occasionally to 7 feet. 
.thursday...southwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon, then becoming southeast 5 to 15 knots
late. a slight chance of showers by mid afternoon. waves building
to 3 to 6 feet occasionally to 8 feet, then subsiding to 1 to
3 feet. 
.thursday night...northwest winds 10 to 20 knots becoming west
15 to 25 knots after midnight. showers through midnight, then a
chance of showers after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.friday...west winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet. 
.friday night...southwest winds 10 to 20 knots increasing to
20 to 30 knots after midnight. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.saturday...west winds 15 to 25 knots. waves subsiding to 2 to
4 feet. 
.sunday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 100801
glfls 
expires:202606102000;;490989

open lake forecast for lake superior
national weather service marquette mi
400 am 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... 

weak ridging of 29.8 inches this morning gives way to troughing by 
this afternoon, with the troughing deepening 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. 




lsz267-102000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt wed jun 10 2026

...dense fog advisory in effect until 11 am edt this morning...

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

$$

fzus63 kmqt 100801
glfls 
expires:202606102000;;490984

open lake forecast for lake superior
national weather service marquette mi
400 am 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... 

weak ridging of 29.8 inches this morning gives way to troughing by 
this afternoon, with the troughing deepening 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. 




lsz162-102000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt wed jun 10 2026 /300 am cdt wed jun 10 2026/

...dense fog advisory in effect until 11 am edt /10 am cdt/ this
morning...

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

$$

fzus63 kmqt 100801
glfls 
expires:202606102000;;490985

open lake forecast for lake superior
national weather service marquette mi
400 am 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... 

weak ridging of 29.8 inches this morning gives way to troughing by 
this afternoon, with the troughing deepening 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. 




lsz263-102000-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 am edt wed jun 10 2026

...dense fog advisory in effect until 11 am edt this morning...

.early this morning...east winds 5 to 15 knots. areas of dense
fog. waves calm to 2 feet. 
.today...east winds 5 to 15 knots increasing to 10 to 20 knots
late. patchy dense fog through early afternoon. a chance of
showers and thunderstorms. waves building to 2 to 4 feet. 
.tonight...southeast winds 10 to 20 knots becoming southwest
15 to 25 knots after midnight. showers likely and a chance of
thunderstorms through midnight. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots. a chance of showers
by mid afternoon. waves subsiding to 3 to 6 feet occasionally to
8 feet. 
.thursday night...southwest winds 15 to 25 knots becoming west
20 to 30 knots after midnight. a chance of showers. waves
subsiding to 2 to 4 feet, then building to 4 to 7 feet
occasionally to 9 feet. 
.friday...southwest winds 20 to 30 knots. waves building to 4 to
8 feet occasionally to 10 feet. 
.friday night...west winds 15 to 25 knots. waves subsiding to
3 to 5 feet occasionally to 7 feet. 
.saturday...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. 
.sunday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to calm to 2 feet. 

$$