fzus63 kdtx 091331
glflh 
expires:202606092145;;444636

open lake forecast for lake huron
national weather service detroit/pontiac mi
931 am edt tue jun 9 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.


lhz361-092145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
931 am edt tue jun 9 2026

.rest of today...east winds 10 to 15 knots. showers late in the
morning...then showers likely in the afternoon. waves 1 to
3 feet. 
.tonight...east winds 5 to 10 knots in the evening becoming light
and variable. showers likely in the evening...then a chance of
showers after midnight. waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...north winds 5 to 10 knots veering to the
southeast in the late evening and overnight. showers likely and a
chance of thunderstorms in the evening...then showers likely
after midnight. waves 2 feet or less. 
.thursday...south winds 5 to 10 knots veering to the west late in
the morning...then becoming southeast 15 to 20 knots late in the
evening. showers late in the afternoon. waves 1 to 3 feet
building to 3 to 5 feet late in the evening. 
.friday...west winds 15 to 20 knots decreasing to 10 to 15 knots
. showers likely early in the morning. waves 3 to 5 feet
subsiding to 2 to 4 feet by midnight. 
.saturday...west winds 10 to 15 knots becoming northwest 5 to
10 knots by midnight. waves 2 to 4 feet. 


$$

fzus63 kdtx 091331
glflh 
expires:202606092145;;444637

open lake forecast for lake huron
national weather service detroit/pontiac mi
931 am edt tue jun 9 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.


lhz362-363-092145-
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-
931 am edt tue jun 9 2026

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


$$

fzus63 kdtx 091331
glflh 
expires:202606092145;;444638

open lake forecast for lake huron
national weather service detroit/pontiac mi
931 am edt tue jun 9 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>464-092145-
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-
931 am edt tue jun 9 2026

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


$$

fzus63 kmkx 091448
glflm 
expires:202606092115;;447181

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
948 am cdt tue jun 9 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...

no major changes to the going forecast at this time.

light and variable winds will increase and become northerly by 
this evening as low pressure of 29.9 inches crosses the center 
part of lake michigan. dense fog is expected at times through 
tonight due to a warm and humid airmass over the relatively cool 
waters. a marine dense fog advisory is in effect for central
portions of the lake at this time. an advisory that covers more of
the lake may be needed tonight. there is a chance of showers with
a few rumbles of thunder through tonight as well.

breezy southerly winds are expected wednesday and thursday as
strong low pressure around 29.2 inches tracks from southern
saskatchewan to hudson bay. multiple rounds of showers and storms
are likely during this time, along with a chance for severe 
storms. west to southwest winds and dry weather are then expected 
friday behind the departing low.


lmz261-362-092115-
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-
948 am cdt tue jun 9 2026

rock island passage to charlevoix mi north...

.rest of today...east winds 10 to 15 kt becoming northeast.
patchy fog. numerous showers and slight chance of thunderstorms
late this morning, then showers and slight chance of
thunderstorms this afternoon. waves 1 to 2 ft. 
.tonight...northeast winds 10 to 15 kt becoming northwest. patchy
fog in the evening, then areas of dense fog overnight. slight
chance of showers. waves 1 to 2 ft. 
.wednesday...northwest winds 5 to 10 kt backing to southwest late
in the morning, then becoming south 10 to 15 kt in the afternoon.
areas of dense fog in the morning, then patchy dense fog in the
afternoon. waves 1 to 2 ft. 
.wednesday night...southeast winds 10 to 20 kt becoming southwest
15 to 25 kt. showers with a chance of thunderstorms in the
evening, then showers likely overnight. waves 3 to 5 ft.
.thursday...southwest winds 10 to 20 kt. waves 3 to 5 ft. 
.thursday night...west winds 10 to 20 kt becoming southwest.
showers with a chance of thunderstorms. waves 2 to 4 ft. 
.friday...southwest winds 15 to 25 kt increasing to 30 kt. waves
2 to 4 ft. 
.saturday...west winds 15 to 25 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 091448
glflm 
expires:202606092115;;447182

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
948 am cdt tue jun 9 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...

no major changes to the going forecast at this time.

light and variable winds will increase and become northerly by 
this evening as low pressure of 29.9 inches crosses the center 
part of lake michigan. dense fog is expected at times through 
tonight due to a warm and humid airmass over the relatively cool 
waters. a marine dense fog advisory is in effect for central
portions of the lake at this time. an advisory that covers more of
the lake may be needed tonight. there is a chance of showers with
a few rumbles of thunder through tonight as well.

breezy southerly winds are expected wednesday and thursday as
strong low pressure around 29.2 inches tracks from southern
saskatchewan to hudson bay. multiple rounds of showers and storms
are likely during this time, along with a chance for severe 
storms. west to southwest winds and dry weather are then expected 
friday behind the departing low.


lmz364-366-563-565-567-868-092115-
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-
948 am cdt tue jun 9 2026

rock island passage to charlevoix mi south to sheboygan wi to
pentwater mi...

...dense fog advisory in effect until noon cdt today...

.rest of today...northeast winds 10 to 15 kt becoming north.
areas of dense fog. numerous showers and slight chance of
thunderstorms late this morning, then isolated showers this
afternoon. waves 1 to 2 ft. 
.tonight...north winds 10 to 15 kt diminishing to 5 to 10 kt late
in the evening, then becoming northwest after midnight becoming
west late. isolated showers in the evening. patchy dense fog in
the evening, then areas of dense fog overnight. waves 1 to 2 ft. 
.wednesday...southwest winds 5 to 10 kt becoming southeast late
in the morning, then becoming south 10 to 20 kt early in the
afternoon increasing to 15 to 25 kt late. areas of dense fog in
the morning, then patchy dense fog in the afternoon. waves 1 to
2 ft building to 3 to 5 ft. 
.wednesday night...south winds 15 to 25 kt becoming southwest.
showers with a chance of thunderstorms. waves 4 to 6 ft
occasionally to 8 ft. 
.thursday...southwest winds 10 to 20 kt becoming south. waves
3 to 5 ft. 
.thursday night...southwest winds 10 to 20 kt becoming west.
showers with a chance of thunderstorms. waves 3 to 5 ft. 
.friday...southwest winds 15 to 25 kt increasing to 30 kt. waves
2 to 4 ft. 
.saturday...west winds 10 to 20 kt becoming southwest 15 to
25 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 091448
glflm 
expires:202606092115;;447184

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
948 am cdt tue jun 9 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...

no major changes to the going forecast at this time.

light and variable winds will increase and become northerly by 
this evening as low pressure of 29.9 inches crosses the center 
part of lake michigan. dense fog is expected at times through 
tonight due to a warm and humid airmass over the relatively cool 
waters. a marine dense fog advisory is in effect for central
portions of the lake at this time. an advisory that covers more of
the lake may be needed tonight. there is a chance of showers with
a few rumbles of thunder through tonight as well.

breezy southerly winds are expected wednesday and thursday as
strong low pressure around 29.2 inches tracks from southern
saskatchewan to hudson bay. multiple rounds of showers and storms
are likely during this time, along with a chance for severe 
storms. west to southwest winds and dry weather are then expected 
friday behind the departing low.


lmz669-870-092115-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
948 am cdt tue jun 9 2026

sheboygan wi to pentwater mi south to port washington wi to
whitehall mi...

...dense fog advisory in effect until noon cdt today...

.rest of today...southwest winds 5 to 10 kt veering to north
10 to 15 kt. areas of dense fog. scattered showers late this
morning, then isolated showers this afternoon. waves 1 to 2 ft.
.tonight...north winds 5 to 10 kt backing to west. isolated
showers in the evening. areas of dense fog. waves 1 to 2 ft. 
.wednesday...south winds 5 to 10 kt increasing to 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 nearly calm building to 3 to 5 ft. 
.wednesday night...south winds 15 to 25 kt becoming southwest.
showers with a chance of thunderstorms. waves 4 to 6 ft
occasionally to 8 ft. 
.thursday...southwest winds 10 to 20 kt becoming south. waves
3 to 5 ft. 
.thursday night...southwest winds 15 to 25 kt becoming west 10 to
20 kt. showers with a chance of thunderstorms. waves 3 to 5 ft. 
.friday...west winds 10 to 20 kt becoming southwest. waves 3 to
5 ft. 
.saturday...west winds 10 to 20 kt becoming southwest. waves 2 to
4 ft.  

$$

fzus63 kmkx 091448
glflm 
expires:202606092115;;447183

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
948 am cdt tue jun 9 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...

no major changes to the going forecast at this time.

light and variable winds will increase and become northerly by 
this evening as low pressure of 29.9 inches crosses the center 
part of lake michigan. dense fog is expected at times through 
tonight due to a warm and humid airmass over the relatively cool 
waters. a marine dense fog advisory is in effect for central
portions of the lake at this time. an advisory that covers more of
the lake may be needed tonight. there is a chance of showers with
a few rumbles of thunder through tonight as well.

breezy southerly winds are expected wednesday and thursday as
strong low pressure around 29.2 inches tracks from southern
saskatchewan to hudson bay. multiple rounds of showers and storms
are likely during this time, along with a chance for severe 
storms. west to southwest winds and dry weather are then expected 
friday behind the departing low.


lmz080-671-673-675-777-779-872-874-876-878-092115-
lake michigan from michigan city in to st. joseph mi 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 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-
948 am cdt tue jun 9 2026

port washington wi to whitehall mi south...

.rest of today...southwest winds 10 to 15 kt becoming west 5 to
10 kt. patchy fog. scattered showers late this morning, then
scattered showers and slight chance of thunderstorms this
afternoon. waves 1 to 2 ft. 
.tonight...north winds 5 to 10 kt backing to southwest. patchy
fog. scattered showers and slight chance of thunderstorms in the
evening, then slight chance of showers and thunderstorms
overnight. waves 1 to 2 ft. 
.wednesday...south winds 5 to 10 kt increasing to 10 to 20 kt.
patchy fog in the morning. waves 1 to 2 ft building to 3 to 5 ft.
.wednesday night...south winds 15 to 25 kt becoming southwest.
showers with a chance of thunderstorms in the evening, then
showers likely with a chance of thunderstorms overnight. waves
4 to 6 ft occasionally to 8 ft. 
.thursday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. showers likely with a chance of thunderstorms in the
afternoon. waves 3 to 5 ft. 
.thursday night...southwest winds 15 to 25 kt becoming west.
showers with a chance of thunderstorms. waves 3 to 5 ft. 
.friday...west winds 10 to 20 kt. waves 3 to 5 ft. 
.saturday...west winds 10 to 20 kt becoming southwest. waves 2 to
4 ft.  

$$

fzus63 kmqt 091701
glfls 
expires:202606100115;;451332

open lake forecast for lake superior
national weather service marquette mi
101 pm edt tue jun 9 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 gives way to pressure falls to around 29.9 inches over 
the lake by this afternoon as 30.2 inch high pressure moves off the 
mid atlantic coast and troughing over the rockies deepens to 29.4 
inches over the northern plains. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches on 
wednesday evening. pressure holds around 29.6 inches over lake 
superior until late thursday when another colorado low lifts into 
the upper great lakes at around 29.5 inches. weak ridging begins to 
move over the lake on friday, reaching 29.8 inches by saturday 
morning, 30.0 inches by sunday morning, and lingering through the 
day.




lsz162-100115-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
101 pm edt tue jun 9 2026 /1201 pm cdt tue jun 9 2026/

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

.rest of today...southeast winds 5 to 15 knots backing northeast
late. areas of dense fog. waves calm to 2 feet. 
.tonight...northeast winds 5 to 15 knots. areas of dense fog. a
slight chance of showers and thunderstorms after midnight. waves
calm to 2 feet. 
.wednesday...northeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon, then becoming east 10 to 20 knots
late. patchy fog. a chance of showers and thunderstorms. some
thunderstorms may be severe. waves building to 2 to 4 feet, then
subsiding 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 chance of
thunderstorms through midnight. some thunderstorms may be severe.
waves 1 to 3 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. 
.thursday night...southwest winds 15 to 25 knots veering west
after midnight. waves subsiding to 2 to 4 feet. 
.friday...southwest winds 20 to 30 knots becoming west 15 to
25 knots. waves building to 3 to 6 feet occasionally to 8 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 091701
glfls 
expires:202606100115;;451333

open lake forecast for lake superior
national weather service marquette mi
101 pm edt tue jun 9 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 gives way to pressure falls to around 29.9 inches over 
the lake by this afternoon as 30.2 inch high pressure moves off the 
mid atlantic coast and troughing over the rockies deepens to 29.4 
inches over the northern plains. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches on 
wednesday evening. pressure holds around 29.6 inches over lake 
superior until late thursday when another colorado low lifts into 
the upper great lakes at around 29.5 inches. weak ridging begins to 
move over the lake on friday, reaching 29.8 inches by saturday 
morning, 30.0 inches by sunday morning, and lingering through the 
day.




lsz263-100115-
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-
101 pm edt tue jun 9 2026

...dense fog advisory in effect until 11 am edt wednesday...

.rest of today...east winds less than 10 knots backing northeast
in the afternoon, then increasing to 5 to 15 knots late. areas of
dense fog by late morning, then patchy fog by mid afternoon.
waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots. areas of dense fog. waves
calm to 2 feet. 
.wednesday...east winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. patchy fog. a chance of showers and
thunderstorms. some thunderstorms may be severe. waves building
to 2 to 4 feet. 
.wednesday night...south winds 10 to 20 knots veering southwest
after midnight. showers and a chance of thunderstorms through
midnight, then a slight 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 15 to 25 knots. a chance of showers
by mid afternoon. waves building to 3 to 5 feet occasionally to
7 feet. 
.thursday night...southwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. waves building to 3 to 6 feet
occasionally to 8 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 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 091701
glfls 
expires:202606100115;;451334

open lake forecast for lake superior
national weather service marquette mi
101 pm edt tue jun 9 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 gives way to pressure falls to around 29.9 inches over 
the lake by this afternoon as 30.2 inch high pressure moves off the 
mid atlantic coast and troughing over the rockies deepens to 29.4 
inches over the northern plains. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches on 
wednesday evening. pressure holds around 29.6 inches over lake 
superior until late thursday when another colorado low lifts into 
the upper great lakes at around 29.5 inches. weak ridging begins to 
move over the lake on friday, reaching 29.8 inches by saturday 
morning, 30.0 inches by sunday morning, and lingering through the 
day.




lsz264-100115-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
101 pm edt tue jun 9 2026

...dense fog advisory in effect until 11 am edt wednesday...

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

$$

fzus63 kmqt 091701
glfls 
expires:202606100115;;451335

open lake forecast for lake superior
national weather service marquette mi
101 pm edt tue jun 9 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 gives way to pressure falls to around 29.9 inches over 
the lake by this afternoon as 30.2 inch high pressure moves off the 
mid atlantic coast and troughing over the rockies deepens to 29.4 
inches over the northern plains. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches on 
wednesday evening. pressure holds around 29.6 inches over lake 
superior until late thursday when another colorado low lifts into 
the upper great lakes at around 29.5 inches. weak ridging begins to 
move over the lake on friday, reaching 29.8 inches by saturday 
morning, 30.0 inches by sunday morning, and lingering through the 
day.




lsz265-100115-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
101 pm edt tue jun 9 2026

...dense fog advisory in effect until 11 am edt wednesday...

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

$$

fzus63 kmqt 091701
glfls 
expires:202606100115;;451336

open lake forecast for lake superior
national weather service marquette mi
101 pm edt tue jun 9 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 gives way to pressure falls to around 29.9 inches over 
the lake by this afternoon as 30.2 inch high pressure moves off the 
mid atlantic coast and troughing over the rockies deepens to 29.4 
inches over the northern plains. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches on 
wednesday evening. pressure holds around 29.6 inches over lake 
superior until late thursday when another colorado low lifts into 
the upper great lakes at around 29.5 inches. weak ridging begins to 
move over the lake on friday, reaching 29.8 inches by saturday 
morning, 30.0 inches by sunday morning, and lingering through the 
day.




lsz266-100115-
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-
101 pm edt tue jun 9 2026

...dense fog advisory in effect until 11 am edt wednesday...

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

$$

fzus63 kmqt 091701
glfls 
expires:202606100115;;451337

open lake forecast for lake superior
national weather service marquette mi
101 pm edt tue jun 9 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 gives way to pressure falls to around 29.9 inches over 
the lake by this afternoon as 30.2 inch high pressure moves off the 
mid atlantic coast and troughing over the rockies deepens to 29.4 
inches over the northern plains. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches on 
wednesday evening. pressure holds around 29.6 inches over lake 
superior until late thursday when another colorado low lifts into 
the upper great lakes at around 29.5 inches. weak ridging begins to 
move over the lake on friday, reaching 29.8 inches by saturday 
morning, 30.0 inches by sunday morning, and lingering through the 
day.




lsz267-100115-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
101 pm edt tue jun 9 2026

...dense fog advisory in effect from 5 pm this afternoon to 11 am
edt wednesday...

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

$$