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fzus63 kdtx 090808
glflh 
expires:202606091615;;432979

open lake forecast for lake huron
national weather service detroit/pontiac mi
408 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 tonight, 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.


lhz361-091615-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
408 am edt tue jun 9 2026

.today...east winds 5 to 10 knots increasing to 10 to 15 knots in
the late morning and afternoon. showers 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 4 to 6 feet late in the evening. waves occasionally
around 8 feet. 
.friday...west winds 15 to 20 knots decreasing to 10 to 15 knots
. showers likely early in the morning. waves 3 to 5 feet. 
.saturday...west winds 10 to 15 knots becoming northwest 5 to
10 knots by midnight. waves 2 to 4 feet subsiding to 1 to 3 feet
by midnight. 


$$
fzus63 kdtx 090808
glflh 
expires:202606091615;;432981

open lake forecast for lake huron
national weather service detroit/pontiac mi
408 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 tonight, 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>464-091615-
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-
408 am edt tue jun 9 2026

.today...southeast winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. showers likely 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
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 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. 


$$
fzus63 kdtx 090808
glflh 
expires:202606091615;;432980

open lake forecast for lake huron
national weather service detroit/pontiac mi
408 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 tonight, 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.


lhz362-363-091615-
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-
408 am edt tue jun 9 2026

.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 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 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 kmkx 090808
glflm 
expires:202606091515;;432977

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
308 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...

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.


lmz080-671-673-675-777-779-872-874-876-878-091515-
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-
308 am cdt tue jun 9 2026

port washington wi to whitehall mi south...

.today...south winds 10 to 15 kt becoming southwest. patchy fog.
chance of showers and slight chance of thunderstorms. waves 1 to
3 ft. 
.tonight...northwest winds 5 to 10 kt backing to southwest.
patchy fog. 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 dense fog in the morning. waves 1 ft or less 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 kmkx 090808
glflm 
expires:202606091515;;432975

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
308 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...

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.


lmz261-362-364-563-091515-
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 rock island passage to sturgeon bay wi-
308 am cdt tue jun 9 2026

sturgeon bay wi to point betsie mi north...

.today...east winds 10 to 15 kt becoming northeast 10 to 20 kt.
patchy fog. showers likely with slight chance of thunderstorms
this morning, then chance of showers and slight chance of
thunderstorms this afternoon. waves 1 to 2 ft. 
.tonight...northeast winds 10 to 15 kt becoming northwest. slight
chance of showers and thunderstorms in the evening. patchy fog in
the evening, then areas of dense fog overnight. waves 1 to 2 ft. 
.wednesday...west winds 5 to 10 kt backing to south late in the
morning, then increasing to 10 to 15 kt early in the afternoon
increasing to 10 to 20 kt late. areas of dense fog in the
morning. waves 1 ft or less building to 2 to 4 ft. 
.wednesday night...south winds 15 to 25 kt becoming southwest.
showers with a chance of thunderstorms in the evening, then
chance of showers overnight. waves 4 to 6 ft occasionally to
8 ft. 
.thursday...southwest winds 10 to 20 kt. waves 3 to 5 ft
subsiding to 2 to 4 ft. 
.thursday night...southwest winds 10 to 20 kt. 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 090808
glflm 
expires:202606091515;;432976

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
308 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...

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.


lmz366-565-567-669-868-870-091515-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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 sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
308 am cdt tue jun 9 2026

sturgeon bay wi to point betsie mi south to port washington wi to
whitehall mi...

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

.today...southeast winds 10 to 15 kt backing to north 5 to 10 kt.
areas of dense fog this morning, then patchy fog this afternoon.
chance of showers and slight chance of thunderstorms this
morning, then slight chance of showers and thunderstorms this
afternoon. waves 1 to 3 ft. 
.tonight...north winds 5 to 10 kt backing to west. patchy fog in
the evening, then areas of dense fog overnight. waves 1 to 2 ft. 
.wednesday...south winds 5 to 10 kt increasing to 15 to 25 kt.
areas of dense fog in the morning. chance of showers and
thunderstorms 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 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 kmqt 090801
glfls 
expires:202606092000;;432212

open lake forecast for lake superior
national weather service marquette mi
400 am 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 around 30.0 inches lingers over lake superior this 
morning. then, 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 29.5 inch 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 through wednesday as the low tracks 
northeast along the manitoba/ontario line at 29.3 inches by 
wednesday evening. pressure holds to around 29.6 inches over lake 
superior through the end of the week as another colorado low lifts 
into the upper great lakes at around 29.5 inches late thursday. weak 
ridging of 30.0 inches could return to lake superior by the end of 
the day saturday.




lsz265-092000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt tue jun 9 2026

...dense fog advisory in effect until 2 pm edt this afternoon...

.early this morning...east winds 5 to 15 knots. patchy dense fog.
showers likely and a slight chance of thunderstorms. waves calm
to 2 feet. 
.today...east winds 5 to 15 knots. showers likely through early
afternoon. 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. 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. 
.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 090801
glfls 
expires:202606092000;;432211

open lake forecast for lake superior
national weather service marquette mi
400 am 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 around 30.0 inches lingers over lake superior this 
morning. then, 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 29.5 inch 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 through wednesday as the low tracks 
northeast along the manitoba/ontario line at 29.3 inches by 
wednesday evening. pressure holds to around 29.6 inches over lake 
superior through the end of the week as another colorado low lifts 
into the upper great lakes at around 29.5 inches late thursday. weak 
ridging of 30.0 inches could return to lake superior by the end of 
the day saturday.




lsz264-092000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt tue jun 9 2026

...dense fog advisory in effect until 2 pm edt this afternoon...

.early this morning...southeast winds less than 10 knots. areas
of dense fog. showers likely and a slight chance of
thunderstorms. waves calm to 2 feet. 
.today...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. 
.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. widespread dense fog through early
afternoon. 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 090801
glfls 
expires:202606092000;;432210

open lake forecast for lake superior
national weather service marquette mi
400 am 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 around 30.0 inches lingers over lake superior this 
morning. then, 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 29.5 inch 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 through wednesday as the low tracks 
northeast along the manitoba/ontario line at 29.3 inches by 
wednesday evening. pressure holds to around 29.6 inches over lake 
superior through the end of the week as another colorado low lifts 
into the upper great lakes at around 29.5 inches late thursday. weak 
ridging of 30.0 inches could return to lake superior by the end of 
the day saturday.




lsz263-092000-
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 tue jun 9 2026

...dense fog advisory in effect until 2 pm edt this afternoon...

.early this morning...east winds less than 10 knots. areas of
dense fog. a chance of showers. waves calm to 2 feet. 
.today...northeast 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 through early afternoon, then
patchy fog by mid afternoon. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots. patchy fog through midnight,
then areas of dense fog after midnight. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. areas of dense fog through early
afternoon. 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 090801
glfls 
expires:202606092000;;432209

open lake forecast for lake superior
national weather service marquette mi
400 am 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 around 30.0 inches lingers over lake superior this 
morning. then, 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 29.5 inch 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 through wednesday as the low tracks 
northeast along the manitoba/ontario line at 29.3 inches by 
wednesday evening. pressure holds to around 29.6 inches over lake 
superior through the end of the week as another colorado low lifts 
into the upper great lakes at around 29.5 inches late thursday. weak 
ridging of 30.0 inches could return to lake superior by the end of 
the day saturday.




lsz162-092000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt tue jun 9 2026 /300 am cdt tue jun 9 2026/

...dense fog advisory in effect until 2 pm edt /1 pm cdt/ this
afternoon...

.early this morning...northeast winds 5 to 15 knots. widespread
dense fog. waves calm to 2 feet. 
.today...northeast winds 5 to 15 knots veering east in the
afternoon, then backing northeast late. areas of dense fog. waves
calm to 2 feet. 
.tonight...northeast winds 5 to 15 knots. patchy fog through
midnight, then areas of dense fog after midnight. 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 dense fog through early afternoon. 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 090801
glfls 
expires:202606092000;;432213

open lake forecast for lake superior
national weather service marquette mi
400 am 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 around 30.0 inches lingers over lake superior this 
morning. then, 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 29.5 inch 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 through wednesday as the low tracks 
northeast along the manitoba/ontario line at 29.3 inches by 
wednesday evening. pressure holds to around 29.6 inches over lake 
superior through the end of the week as another colorado low lifts 
into the upper great lakes at around 29.5 inches late thursday. weak 
ridging of 30.0 inches could return to lake superior by the end of 
the day saturday.




lsz266-092000-
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 tue jun 9 2026

.early this morning...southeast winds 5 to 15 knots. patchy fog.
showers likely and a slight chance of thunderstorms. waves calm
to 2 feet. 
.today...east winds 5 to 15 knots backing northeast late. patchy
fog through early afternoon, then areas of dense fog by mid
afternoon. showers likely through early afternoon, then a slight
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, 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. 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 090801
glfls 
expires:202606092000;;432214

open lake forecast for lake superior
national weather service marquette mi
400 am 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 around 30.0 inches lingers over lake superior this 
morning. then, 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 29.5 inch 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 through wednesday as the low tracks 
northeast along the manitoba/ontario line at 29.3 inches by 
wednesday evening. pressure holds to around 29.6 inches over lake 
superior through the end of the week as another colorado low lifts 
into the upper great lakes at around 29.5 inches late thursday. weak 
ridging of 30.0 inches could return to lake superior by the end of 
the day saturday.




lsz267-092000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt tue jun 9 2026

.early this morning...southeast winds 10 to 20 knots. patchy fog.
a chance of showers and a slight chance of thunderstorms. waves
calm to 2 feet. 
.today...southeast winds 10 to 20 knots backing east in the
afternoon, then becoming northeast 5 to 15 knots late. patchy fog
through early afternoon, then areas of dense fog by mid
afternoon. showers and a slight chance of thunderstorms through
early afternoon, then 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. 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. 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. 

$$
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