fzus63 kdtx 090134
glflh 
expires:202606090945;;416774

open lake forecast for lake huron
national weather service detroit/pontiac mi
934 pm edt mon jun 8 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...a weak low pressure system, 29.80 inches, will track
across lower mi through tuesday night, bringing scattered to
numerous showers and thunderstorms. a warm and stormy pattern is
forecast late wednesday into thursday ahead of the next cold
front on friday.


lhz361-090945-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
934 pm edt mon jun 8 2026

.rest of tonight...east winds 10 to 15 knots decreasing to 5 to
10 knots early in the morning. waves 2 to 4 feet subsiding to
1 to 3 feet early in the morning. 
.tuesday...east winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. showers likely. waves 1 to
3 feet. 
.tuesday night...east winds 5 to 10 knots. a chance of showers in
the evening. waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...east winds 5 to 10 knots becoming southeast
10 to 15 knots in the late evening and overnight. showers likely.
waves 2 feet or less. 
.thursday...south winds 10 to 15 knots becoming west 5 to
10 knots late in the morning...then becoming southwest 10 to
15 knots late in the afternoon becoming south 15 to 20 knots late
in the evening. showers likely late in the afternoon. waves 1 to
3 feet building to 4 to 6 feet late in the evening. waves
occasionally around 8 feet. 
.friday...southwest winds 15 to 20 knots becoming west 5 to
10 knots. a chance of showers early in the morning. waves 3 to
5 feet. 
.saturday...southwest winds 10 to 15 knots becoming west 5 to
10 knots by midnight. a chance of showers . waves 2 to 4 feet
subsiding to 1 to 3 feet by midnight. 


$$

fzus63 kdtx 090134
glflh 
expires:202606090945;;416775

open lake forecast for lake huron
national weather service detroit/pontiac mi
934 pm edt mon jun 8 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...a weak low pressure system, 29.80 inches, will track
across lower mi through tuesday night, bringing scattered to
numerous showers and thunderstorms. a warm and stormy pattern is
forecast late wednesday into thursday ahead of the next cold
front on friday.


lhz362-363-090945-
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-
934 pm edt mon jun 8 2026

.rest of tonight...east winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 1 to 3 feet. 
.tuesday...southeast winds 5 to 10 knots becoming east 10 to
15 knots in the afternoon. a chance of showers in the morning...
then showers likely in the afternoon. waves 1 to 3 feet. 
.tuesday night...east winds 5 to 10 knots backing to the north in
the late evening and overnight. a chance of showers. waves 1 to
3 feet. 
.wednesday...west winds 5 to 10 knots backing to the south early
in the afternoon. waves 2 feet or less. 
.wednesday night...southeast winds 5 to 10 knots increasing to
10 to 15 knots in the late evening and overnight. showers likely
in the evening...then a chance of showers after midnight. waves
1 to 3 feet building to 2 to 4 feet after midnight. 
.thursday...south winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then becoming southeast 10 to
15 knots late in the afternoon becoming south 15 to 20 knots late
in the evening. showers likely late in the afternoon. waves 2 to
4 feet building to 4 to 6 feet late in the evening. waves
occasionally around 8 feet. 
.friday...southwest winds 15 to 20 knots decreasing to 5 to
10 knots. showers likely early in the morning. waves 3 to 5 feet.
.saturday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots by midnight. a chance of showers . waves 2 to 4 feet. 


$$

fzus63 kdtx 090134
glflh 
expires:202606090945;;416776

open lake forecast for lake huron
national weather service detroit/pontiac mi
934 pm edt mon jun 8 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...a weak low pressure system, 29.80 inches, will track
across lower mi through tuesday night, bringing scattered to
numerous showers and thunderstorms. a warm and stormy pattern is
forecast late wednesday into thursday ahead of the next cold
front on friday.


lhz462>464-090945-
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-
934 pm edt mon jun 8 2026

.rest of tonight...east winds 5 to 10 knots becoming southeast
10 to 15 knots early in the morning. waves 1 to 3 feet. 
.tuesday...southeast winds 10 to 15 knots. a chance of showers in
the morning...then showers likely and a chance of thunderstorms
in the afternoon. waves 1 to 3 feet. 
.tuesday night...southeast winds 10 to 15 knots becoming
southwest 5 to 10 knots after midnight. a chance of showers and
thunderstorms in the evening...then a chance of showers after
midnight. waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots backing to the south early
in the afternoon. waves 2 feet or less. 
.wednesday night...south winds 5 to 10 knots increasing to 10 to
15 knots after midnight. showers likely and a chance of
thunderstorms in the evening...then a chance of showers and
thunderstorms after midnight. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then becoming south 10 to 15 knots
late in the evening. a chance of showers. rain showers likely and
a chance of thunderstorms late in the afternoon. 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. 
.friday...south winds 10 to 15 knots veering to the southwest.
showers likely early in the morning. waves 2 to 4 feet. 
.saturday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots by midnight. a chance of showers by midnight. waves 1 to
3 feet building to 2 to 4 feet. 


$$

fzus63 kmkx 090205
glflm 
expires:202606090930;;417546

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
905 pm cdt mon jun 8 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...

light east to southeast winds tonight will become northerly by
later tuesday as low pressure of 29.9 inches crosses the center
part of the lake. fog will be possible at times tonight through
tuesday due to a warm and humid airmass over the relatively cool
waters. shower chances will persist tonight into tuesday, with a
few rumbles of thunder at times.

breezy southerly winds are expected wednesday and thursday ahead
of an approaching low pressure system. multiple rounds of showers
and storms are also likely mid-week, with a chance for severe
storms. west to southwest winds and dry weather are then expected
friday behind the departing low. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-090930-
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-
905 pm cdt mon jun 8 2026

sheboygan wi to pentwater mi south...

.rest of tonight...southeast winds 10 to 20 kt. showers likely
with a chance of thunderstorms through early evening, then
showers likely with slight chance of thunderstorms overnight.
patchy fog overnight. waves 1 to 3 ft. 
.tuesday...south winds 10 to 15 kt becoming southwest 5 to 10 kt.
patchy fog. chance of showers and slight chance of thunderstorms
in the morning, then slight chance of showers in the afternoon.
waves 1 to 2 ft. 
.tuesday night...northwest winds 5 to 10 kt backing to southwest.
patchy dense fog in the evening. waves 1 to 2 ft. 
.wednesday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft. 
.wednesday night...south winds 15 to 25 kt becoming southwest.
chance of showers and thunderstorms. waves 4 to 7 ft occasionally
to 9 ft. 
.thursday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft. 
.thursday night...southwest winds to 30 kt becoming west 15 to
25 kt. showers with a chance of thunderstorms. waves 4 to 7 ft
occasionally to 9 ft. 
.friday...west winds 10 to 20 kt becoming southwest. waves 3 to
5 ft. 
.saturday...southwest winds 10 to 20 kt. waves 3 to 5 ft.  

$$

fzus63 kmkx 090205
glflm 
expires:202606090930;;417545

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
905 pm cdt mon jun 8 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...

light east to southeast winds tonight will become northerly by
later tuesday as low pressure of 29.9 inches crosses the center
part of the lake. fog will be possible at times tonight through
tuesday due to a warm and humid airmass over the relatively cool
waters. shower chances will persist tonight into tuesday, with a
few rumbles of thunder at times.

breezy southerly winds are expected wednesday and thursday ahead
of an approaching low pressure system. multiple rounds of showers
and storms are also likely mid-week, with a chance for severe
storms. west to southwest winds and dry weather are then expected
friday behind the departing low. 


lmz261-362-364-366-563-565-567-868-090930-
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-
905 pm cdt mon jun 8 2026

sheboygan wi to pentwater mi north...

.rest of tonight...northeast winds 10 to 20 kt becoming southeast
10 to 15 kt. chance of showers and thunderstorms through early
evening, then showers likely with slight chance of thunderstorms
overnight. patchy fog overnight. waves 1 to 3 ft.
.tuesday...east winds 10 to 15 kt backing to north 10 to 20 kt.
patchy fog. showers likely with slight chance of thunderstorms in
the morning, then chance of showers and slight chance of
thunderstorms in the afternoon. waves 1 to 2 ft. 
.tuesday night...north winds 10 to 15 kt backing to west. patchy
dense fog in the evening. waves 1 to 2 ft. 
.wednesday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft. 
.wednesday night...south winds 15 to 25 kt becoming southwest to
30 kt. showers likely with a chance of thunderstorms. waves 4 to
7 ft occasionally to 9 ft. 
.thursday...southwest winds 15 to 25 kt becoming south. waves
4 to 6 ft occasionally to 8 ft. 
.thursday night...south winds to 30 kt becoming west. showers
likely with a chance of thunderstorms. waves 4 to 6 ft
occasionally to 8 ft. 
.friday...southwest winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft. 
.saturday...southwest winds 15 to 25 kt. waves 2 to 4 ft.  

$$

fzus63 kmqt 090201
glfls 
expires:202606090800;;417346

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jun 8 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 around 30.0 inches lingers over lake superior into 
tuesday. then, pressure falls to around 29.9 inches over the lake on 
tuesday as 30.2 inch high pressure moves off the mid atlantic coast 
and 29.5 inch troughing over the rockies deepens to 29.3 inches over 
the northern plains. pressure over the lake continues to deepen to 
around 29.5 inches through wednesday as the low tracks eastward into 
nw ontario at 29.2 inches by wednesday evening. pressure holds at 
around 29.6 inches over the lake through the end of the week as 
another colorado low lifts into the great lakes at around 29.5 
inches on thursday. weak ridging of 30.0 inches returns to lake 
superior by the end of the day saturday.




lsz264-090800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt mon jun 8 2026

.rest of tonight...south winds 5 to 15 knots backing southeast
late. patchy fog. a slight chance of thunderstorms by midnight.
showers likely. waves 1 to 3 feet subsiding to calm to 2 feet. 
.tuesday...east winds less than 10 knots increasing to 5 to
15 knots late. a chance of showers through early afternoon. areas
of dense fog through early afternoon, then patchy fog by mid
afternoon. waves calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots veering southeast after
midnight, then backing east late. waves calm to 2 feet. 
.wednesday...southeast winds 10 to 20 knots. a chance of showers
and a slight chance of thunderstorms by mid afternoon. waves
building to 3 to 5 feet occasionally to 7 feet. 
.wednesday night...southeast winds 10 to 20 knots veering
southwest after midnight. showers and a chance of thunderstorms
through midnight, then a chance of showers after midnight. waves
3 to 5 feet occasionally to 7 feet. 
.thursday...southwest winds 10 to 20 knots. waves building 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
building to 5 to 8 feet occasionally to 10 feet. 
.friday...southwest winds 20 to 30 knots becoming west 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 subsiding to calm to 2 feet. 

$$

fzus63 kmqt 090201
glfls 
expires:202606090800;;417347

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jun 8 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 around 30.0 inches lingers over lake superior into 
tuesday. then, pressure falls to around 29.9 inches over the lake on 
tuesday as 30.2 inch high pressure moves off the mid atlantic coast 
and 29.5 inch troughing over the rockies deepens to 29.3 inches over 
the northern plains. pressure over the lake continues to deepen to 
around 29.5 inches through wednesday as the low tracks eastward into 
nw ontario at 29.2 inches by wednesday evening. pressure holds at 
around 29.6 inches over the lake through the end of the week as 
another colorado low lifts into the great lakes at around 29.5 
inches on thursday. weak ridging of 30.0 inches returns to lake 
superior by the end of the day saturday.




lsz265-090800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt mon jun 8 2026

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

$$

fzus63 kmqt 090201
glfls 
expires:202606090800;;417348

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jun 8 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 around 30.0 inches lingers over lake superior into 
tuesday. then, pressure falls to around 29.9 inches over the lake on 
tuesday as 30.2 inch high pressure moves off the mid atlantic coast 
and 29.5 inch troughing over the rockies deepens to 29.3 inches over 
the northern plains. pressure over the lake continues to deepen to 
around 29.5 inches through wednesday as the low tracks eastward into 
nw ontario at 29.2 inches by wednesday evening. pressure holds at 
around 29.6 inches over the lake through the end of the week as 
another colorado low lifts into the great lakes at around 29.5 
inches on thursday. weak ridging of 30.0 inches returns to lake 
superior by the end of the day saturday.




lsz266-090800-
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 mon jun 8 2026

.rest of tonight...southeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight, then backing east late. a chance of
showers by midnight. a slight chance of thunderstorms. showers
likely after midnight. patchy fog after midnight. waves 1 to
3 feet subsiding to calm to 2 feet. 
.tuesday...east winds 5 to 15 knots backing northeast late.
patchy fog. showers likely and a slight chance of thunderstorms
through early afternoon. a chance of showers by mid afternoon.
waves calm to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots backing north
after midnight, then veering southeast late. a slight chance of
showers through midnight. waves calm to 2 feet. 
.wednesday...southeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of showers and a slight
chance of thunderstorms by mid afternoon. waves building to 3 to
5 feet occasionally to 7 feet. 
.wednesday night...southeast winds 15 to 25 knots veering
southwest after midnight. showers likely and a slight chance of
thunderstorms through midnight, then a chance of showers after
midnight. waves building to 3 to 6 feet occasionally to 8 feet. 
.thursday...southwest winds 10 to 20 knots backing south by mid
afternoon. a chance of showers by mid afternoon. waves subsiding
to 2 to 4 feet. 
.thursday night...southwest winds 15 to 25 knots becoming west
20 to 30 knots after midnight. a chance of showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.friday...west winds 20 to 30 knots becoming southwest 15 to
25 knots. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 090201
glfls 
expires:202606090800;;417349

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jun 8 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 around 30.0 inches lingers over lake superior into 
tuesday. then, pressure falls to around 29.9 inches over the lake on 
tuesday as 30.2 inch high pressure moves off the mid atlantic coast 
and 29.5 inch troughing over the rockies deepens to 29.3 inches over 
the northern plains. pressure over the lake continues to deepen to 
around 29.5 inches through wednesday as the low tracks eastward into 
nw ontario at 29.2 inches by wednesday evening. pressure holds at 
around 29.6 inches over the lake through the end of the week as 
another colorado low lifts into the great lakes at around 29.5 
inches on thursday. weak ridging of 30.0 inches returns to lake 
superior by the end of the day saturday.




lsz267-090800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt mon jun 8 2026

.rest of tonight...southeast winds 10 to 20 knots. patchy fog
after midnight. a chance of showers and a slight chance of
thunderstorms after midnight. waves 1 to 3 feet subsiding to calm
to 2 feet. 
.tuesday...east winds 10 to 20 knots becoming northeast 5 to
15 knots late. patchy fog. showers through early afternoon. a
slight chance of thunderstorms. a chance of showers by mid
afternoon. waves calm to 2 feet. 
.tuesday night...north winds 5 to 15 knots backing northwest
late. a chance of showers. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots becoming southeast 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.wednesday night...southeast winds 10 to 20 knots becoming south
15 to 25 knots after midnight. showers likely and a slight chance
of thunderstorms. waves building to 2 to 4 feet. 
.thursday...southwest winds 5 to 15 knots backing south by mid
afternoon. waves subsiding to calm to 2 feet. 
.thursday night...south 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 building to 2 to 4 feet. 
.friday...west winds 10 to 20 knots backing southwest. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet. 
.saturday...west winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 090201
glfls 
expires:202606090800;;417344

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jun 8 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 around 30.0 inches lingers over lake superior into 
tuesday. then, pressure falls to around 29.9 inches over the lake on 
tuesday as 30.2 inch high pressure moves off the mid atlantic coast 
and 29.5 inch troughing over the rockies deepens to 29.3 inches over 
the northern plains. pressure over the lake continues to deepen to 
around 29.5 inches through wednesday as the low tracks eastward into 
nw ontario at 29.2 inches by wednesday evening. pressure holds at 
around 29.6 inches over the lake through the end of the week as 
another colorado low lifts into the great lakes at around 29.5 
inches on thursday. weak ridging of 30.0 inches returns to lake 
superior by the end of the day saturday.




lsz162-090800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt mon jun 8 2026 /900 pm cdt mon jun 8 2026/

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

$$

fzus63 kmqt 090201
glfls 
expires:202606090800;;417345

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jun 8 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 around 30.0 inches lingers over lake superior into 
tuesday. then, pressure falls to around 29.9 inches over the lake on 
tuesday as 30.2 inch high pressure moves off the mid atlantic coast 
and 29.5 inch troughing over the rockies deepens to 29.3 inches over 
the northern plains. pressure over the lake continues to deepen to 
around 29.5 inches through wednesday as the low tracks eastward into 
nw ontario at 29.2 inches by wednesday evening. pressure holds at 
around 29.6 inches over the lake through the end of the week as 
another colorado low lifts into the great lakes at around 29.5 
inches on thursday. weak ridging of 30.0 inches returns to lake 
superior by the end of the day saturday.




lsz263-090800-
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 mon jun 8 2026

.rest of tonight...southeast winds 5 to 15 knots veering south
after midnight, then becoming east less than 10 knots late. areas
of fog. a slight chance of thunderstorms by midnight. a chance of
showers. waves calm to 2 feet. 
.tuesday...east winds less than 10 knots increasing to 5 to
15 knots in the afternoon. a slight chance of showers through
early afternoon. areas of dense fog. waves calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a chance of showers through early
afternoon. a chance of thunderstorms. showers by mid afternoon.
waves building to 3 to 5 feet occasionally to 7 feet. 
.wednesday night...south winds 10 to 20 knots veering southwest
after midnight. showers likely and a chance of thunderstorms
through midnight, then a slight chance of showers after midnight.
waves subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.thursday...southwest winds 15 to 25 knots. a chance of showers
by mid afternoon. waves building to 4 to 7 feet occasionally to
9 feet. 
.thursday night...southwest winds 15 to 25 knots becoming west
20 to 30 knots after midnight. a chance of showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet, then building to
5 to 8 feet occasionally to 10 feet. 
.friday...southwest gales to 35 knots becoming west 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 subsiding to calm to 2 feet. 

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