fzus63 kdtx 261943
glflh 
expires:202607270345;;652893

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt sun jul 26 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...light and variable winds through monday give way to
stronger northerly winds for tuesday, gusting 25 to 30 knots.
potential for strong to severe thunderstorms over the next 36
hours, but especially monday afternoon and evening.


lhz361-362-270345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
343 pm edt sun jul 26 2026

.tonight...light and variable winds. waves 2 feet or less. 
.monday...south winds 5 to 10 knots backing to the east early in
the afternoon...then backing to the east 5 to 10 knots late in
the afternoon. a chance of showers. waves 2 feet or less. 
.monday night...north winds 5 to 10 knots. a chance of showers.
waves 2 feet or less. 
.tuesday...north winds 10 to 15 knots. waves 3 to 5 feet. 
.tuesday night...north winds 10 to 15 knots. waves 2 to 4 feet. 
.wednesday...north winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then backing to the northwest late
in the evening. waves 1 to 3 feet. 
.thursday...light and variable winds. waves 2 feet or less. 
.friday...light and variable winds becoming southeast 5 to
10 knots early in the evening...then becoming light and variable
by midnight. a chance of showers . waves 2 feet or less. 


$$

fzus63 kdtx 261943
glflh 
expires:202607270345;;652894

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt sun jul 26 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...light and variable winds through monday give way to
stronger northerly winds for tuesday, gusting 25 to 30 knots.
potential for strong to severe thunderstorms over the next 36
hours, but especially monday afternoon and evening.


lhz363-462>464-270345-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
343 pm edt sun jul 26 2026

.tonight...light and variable winds becoming south 5 to 10 knots
early in the morning. waves 2 feet or less. 
.monday...south winds 5 to 10 knots backing to the southeast late
in the afternoon. a chance of showers and thunderstorms in the
afternoon. waves 2 feet or less. 
.monday night...east winds 5 to 10 knots backing to the north in
the late evening and overnight. showers likely and a chance of
thunderstorms in the evening...then a chance of showers and
thunderstorms after midnight. waves 2 feet or less. 
.tuesday...north winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots in the late morning and
afternoon. waves 3 to 5 feet building to 5 to 7 feet early in the
afternoon. waves occasionally around 10 feet. 
.tuesday night...north winds 15 to 20 knots. gusts to 30 knots
early in the evening. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.wednesday...north winds 10 to 15 knots decreasing to 5 to
10 knots late in the evening. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.thursday...north winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 
.friday...light and variable winds becoming south 5 to 10 knots
in the late morning and early afternoon...then backing to the
southeast . a chance of showers . waves 2 feet or less. 


$$

fzus63 kdtx 261340
glflh 
expires:202607262145;;637258

open lake forecast for lake huron
national weather service detroit/pontiac mi
940 am edt sun jul 26 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...light winds out of the south-southwest between high
pressure and the next low over the plains. thunderstorm chances
increase today and monday as the low approaches and as the cold 
front moves through the region monday night into tuesday.


lhz362-363-262145-
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-
940 am edt sun jul 26 2026

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


$$

fzus63 kdtx 261340
glflh 
expires:202607262145;;637257

open lake forecast for lake huron
national weather service detroit/pontiac mi
940 am edt sun jul 26 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...light winds out of the south-southwest between high
pressure and the next low over the plains. thunderstorm chances
increase today and monday as the low approaches and as the cold 
front moves through the region monday night into tuesday.


lhz361-262145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
940 am edt sun jul 26 2026

.rest of today...light and variable winds. waves 2 feet or less. 
.tonight...light and variable winds becoming south 5 to 10 knots
by midnight...then backing to the southeast early in the morning.
a chance of showers after midnight. waves 2 feet or less. 
.monday...southeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots
early in the afternoon. a chance of showers and thunderstorms in
the afternoon. waves 2 feet or less. 
.monday night...east winds 5 to 10 knots backing to the northwest
by midnight...then becoming north 10 to 15 knots after midnight.
a chance of showers and thunderstorms in the evening...then a
chance of showers after midnight. waves 2 feet or less. 
.tuesday...north winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday...north winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then backing
to the northwest . waves 2 feet or less. 
.thursday...light and variable winds becoming southwest 5 to
10 knots by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 261340
glflh 
expires:202607262145;;637259

open lake forecast for lake huron
national weather service detroit/pontiac mi
940 am edt sun jul 26 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...light winds out of the south-southwest between high
pressure and the next low over the plains. thunderstorm chances
increase today and monday as the low approaches and as the cold 
front moves through the region monday night into tuesday.


lhz462>464-262145-
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-
940 am edt sun jul 26 2026

.rest of today...southwest winds 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.tonight...light and variable winds becoming south 5 to 10 knots
after midnight. waves 2 feet or less. 
.monday...north winds 5 to 10 knots veering to the south in the
late morning and afternoon. a chance of showers and thunderstorms
in the afternoon. waves 2 feet or less. 
.monday night...southeast winds 5 to 10 knots backing to the east
by midnight...then veering to the southwest after midnight.
showers and a chance of thunderstorms. waves 2 feet or less. 
.tuesday...north winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots. a chance of showers in
the morning. waves 4 to 6 feet building to 5 to 7 feet late in
the afternoon. waves occasionally around 10 feet. 
.wednesday...north winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots by midnight. waves 4 to
6 feet. 
.thursday...north winds 5 to 10 knots becoming light and
variable. waves 1 to 3 feet. waves occasionally around 8 feet. 


$$

fzus63 kmkx 261951
glflm 
expires:202607270330;;653095

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
251 pm cdt sun jul 26 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...

patchy dense fog is expected in portions of the central to
northern lake michigan through tonight and potentially monday as 
warm moist air moves northward. 

severe storms are possible tonight within that warm air mass 
across lake michigan. waterspouts, very strong winds, and hail are
possible with these storms. storms will move north to south 
across the lake late tonight. monday, expecting a cold front to 
progress north to south across the lake in the afternoon hours. 
this will bring the next chances for severe weather, with strong 
winds and hail the main threats. northerly winds are expected 
behind the front, with gusts around 30 kt expected. gusts to gale
force cannot be ruled out as low pressure deepens to 29.5 inches 
over the eastern great lakes tuesday. winds will remain northerly 
through wednesday as high pressure around 30.0 inches builds into 
the northern great lakes, then will become lighter and more 
variable into thursday and friday as high pressure builds 
overhead.


lmz080-669-671-673-675-777-779-870-872-874-876-878-270330-
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-
251 pm cdt sun jul 26 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 10 to 20 kt becoming southwest 10 to
15 kt. patchy dense fog this evening. chance of showers this
evening, then chance of showers and thunderstorms overnight.
waves 1 to 3 ft. 
.monday...southwest winds 10 to 20 kt becoming south. showers
likely with a chance of thunderstorms in the morning, then slight
chance of showers and thunderstorms in the afternoon. waves 2 to
4 ft. 
.monday night...southwest winds 10 to 20 kt veering to northwest
late in the evening, then becoming north to 30 kt overnight.
chance of showers and thunderstorms in the evening. waves 2 to
4 ft building to 5 to 8 ft occasionally to 10 ft. 
.tuesday...north winds to 30 kt. waves 6 to 9 ft occasionally to 
12 ft building to 8 to 11 ft occasionally to 14 ft. 
.tuesday night...north gales to 35 kt diminishing to 10 to 20 kt
overnight. waves 8 to 11 ft occasionally to 14 ft subsiding to
5 to 8 ft occasionally to 10 ft. 
.wednesday...north winds 10 to 20 kt increasing to 30 kt in the
afternoon. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.wednesday night...north winds 15 to 25 kt becoming northeast
5 to 10 kt. waves 2 to 4 ft. 
.thursday...southeast winds 5 to 10 kt becoming south. waves 1 to
2 ft. 
.friday...southwest winds 10 to 15 kt becoming south. waves 1 to
2 ft.  

$$

fzus63 kmkx 261951
glflm 
expires:202607270330;;653094

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
251 pm cdt sun jul 26 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...

patchy dense fog is expected in portions of the central to
northern lake michigan through tonight and potentially monday as 
warm moist air moves northward. 

severe storms are possible tonight within that warm air mass 
across lake michigan. waterspouts, very strong winds, and hail are
possible with these storms. storms will move north to south 
across the lake late tonight. monday, expecting a cold front to 
progress north to south across the lake in the afternoon hours. 
this will bring the next chances for severe weather, with strong 
winds and hail the main threats. northerly winds are expected 
behind the front, with gusts around 30 kt expected. gusts to gale
force cannot be ruled out as low pressure deepens to 29.5 inches 
over the eastern great lakes tuesday. winds will remain northerly 
through wednesday as high pressure around 30.0 inches builds into 
the northern great lakes, then will become lighter and more 
variable into thursday and friday as high pressure builds 
overhead.


lmz261-362-364-366-563-565-567-868-270330-
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-
251 pm cdt sun jul 26 2026

sheboygan wi to pentwater mi north...

.tonight...south winds 10 to 20 kt diminishing to 10 to 15 kt.
patchy fog. chance of showers and slight chance of thunderstorms.
waves 1 to 3 ft. 
.monday...southwest winds 10 to 15 kt backing to northeast 10 to
20 kt. chance of showers and slight chance of thunderstorms.
waves 2 to 4 ft. 
.monday night...north winds 10 to 20 kt increasing to 30 kt.
chance of showers in the evening. waves 2 to 4 ft building to
4 to 6 ft occasionally to 8 ft. 
.tuesday...north winds to 30 kt. waves 4 to 7 ft occasionally to 
9 ft. 
.tuesday night...north winds to 30 kt diminishing to 10 to 20 kt
overnight. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.wednesday...north winds 10 to 20 kt increasing to 30 kt in the
afternoon. waves 1 to 3 ft. 
.wednesday night...east winds 15 to 25 kt veering to south 5 to
10 kt. waves 1 to 2 ft. 
.thursday...south winds 5 to 10 kt increasing to 10 to 20 kt.
waves 1 ft or less. 
.friday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
chance of showers. waves 1 to 2 ft.  

$$

fzus63 kmqt 262001
glfls 
expires:202607270800;;653393

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 26 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

troughing around 29.8 inches over lake superior deepens to 29.7 
inches by tonight. a 29.6 to 29.7 inch clipper low then moves into 
the upper great lakes or upper midwest by monday before departing 
east towards the mid-atlantic on tuesday. behind the clipper, weak 
ridging of 29.9 to 30.0 inches returns to lake superior tuesday into 
thursday.




lsz267-270800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt sun jul 26 2026

...dense fog advisory in effect until 8 pm edt this evening...

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

$$

fzus63 kmqt 262001
glfls 
expires:202607270800;;653388

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 26 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

troughing around 29.8 inches over lake superior deepens to 29.7 
inches by tonight. a 29.6 to 29.7 inch clipper low then moves into 
the upper great lakes or upper midwest by monday before departing 
east towards the mid-atlantic on tuesday. behind the clipper, weak 
ridging of 29.9 to 30.0 inches returns to lake superior tuesday into 
thursday.




lsz162-270800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt sun jul 26 2026 /301 pm cdt sun jul 26 2026/

...dense fog advisory in effect until 8 pm edt /7 pm cdt/ this
evening...

.late this afternoon...south winds 5 to 15 knots. patchy dense
fog. a slight chance of showers and thunderstorms. some
thunderstorms may be severe. waves calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots veering west after
midnight, then veering northeast late. patchy fog and smoke. a
chance of showers and a slight chance of thunderstorms. some
thunderstorms may be severe. waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. a chance of showers and a slight
chance of thunderstorms through early afternoon. patchy fog. some
thunderstorms may be severe. waves calm to 2 feet. 
.monday night...north winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.tuesday...north winds less than 10 knots becoming east 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots becoming north
less than 10 knots after midnight. waves calm to 2 feet. 
.wednesday...east winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots diminishing to
less than 10 knots after midnight. waves calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots veering north. a chance
of showers. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots veering north. waves calm to
2 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202607270800;;653389

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 26 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

troughing around 29.8 inches over lake superior deepens to 29.7 
inches by tonight. a 29.6 to 29.7 inch clipper low then moves into 
the upper great lakes or upper midwest by monday before departing 
east towards the mid-atlantic on tuesday. behind the clipper, weak 
ridging of 29.9 to 30.0 inches returns to lake superior tuesday into 
thursday.




lsz263-270800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
401 pm edt sun jul 26 2026

...dense fog advisory in effect until 8 pm edt this evening...

.late this afternoon...south winds 5 to 15 knots. patchy dense
fog. a slight chance of showers and thunderstorms. some
thunderstorms may be severe. waves calm to 2 feet. 
.tonight...south winds 5 to 15 knots backing northeast after
midnight. patchy fog. patchy smoke after midnight. a slight
chance of showers and thunderstorms. some thunderstorms may be
severe. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a slight chance of showers through
early afternoon. patchy fog. waves calm to 2 feet. 
.monday night...north winds 5 to 15 knots backing northwest after
midnight, then becoming north less than 10 knots late. waves calm
to 2 feet. 
.tuesday...northeast winds less than 10 knots becoming east 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.tuesday night...east winds less than 10 knots veering southeast
after midnight. waves calm to 2 feet. 
.wednesday...south winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.wednesday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots veering north. a chance
of showers. waves calm to 2 feet. 
.friday...northwest winds 5 to 15 knots backing west. waves calm
to 2 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202607270800;;653390

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 26 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

troughing around 29.8 inches over lake superior deepens to 29.7 
inches by tonight. a 29.6 to 29.7 inch clipper low then moves into 
the upper great lakes or upper midwest by monday before departing 
east towards the mid-atlantic on tuesday. behind the clipper, weak 
ridging of 29.9 to 30.0 inches returns to lake superior tuesday into 
thursday.




lsz264-270800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt sun jul 26 2026

...dense fog advisory in effect until 8 pm edt this evening...

.late this afternoon...southeast winds 5 to 15 knots. patchy
dense fog. a chance of showers and thunderstorms. waves calm to
2 feet. 
.tonight...southeast winds 5 to 15 knots becoming northeast less
than 10 knots after midnight, then increasing to 5 to 15 knots
late. patchy fog. a slight chance of thunderstorms through
midnight. a slight chance of showers. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots backing northwest late. a
slight chance of showers through early afternoon. patchy fog.
waves calm to 2 feet. 
.monday night...northwest winds 5 to 15 knots veering northeast
late. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots becoming south less than
10 knots by mid afternoon. waves calm to 2 feet. 
.tuesday night...southwest winds less than 10 knots backing
southeast after midnight. waves calm to 2 feet. 
.wednesday...south winds 5 to 15 knots backing southeast by mid
afternoon. waves calm to 2 feet. 
.wednesday night...southeast winds 5 to 15 knots becoming south
less than 10 knots after midnight. waves calm to 2 feet. 
.thursday...south winds less than 10 knots increasing to 5 to
15 knots. a chance of showers. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots veering north. waves calm to
2 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202607270800;;653391

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 26 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

troughing around 29.8 inches over lake superior deepens to 29.7 
inches by tonight. a 29.6 to 29.7 inch clipper low then moves into 
the upper great lakes or upper midwest by monday before departing 
east towards the mid-atlantic on tuesday. behind the clipper, weak 
ridging of 29.9 to 30.0 inches returns to lake superior tuesday into 
thursday.




lsz265-270800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt sun jul 26 2026

.late this afternoon...east winds 10 to 20 knots. patchy fog. a
slight chance of showers and thunderstorms. waves calm to 2 feet.
.tonight...southeast winds 10 to 20 knots becoming west 5 to
15 knots after midnight, then veering north late. a slight chance
of thunderstorms through midnight. a slight chance of showers.
patchy fog after midnight. some thunderstorms may be severe.
waves calm to 2 feet. 
.monday...north winds 10 to 20 knots. patchy fog through early
afternoon. a chance of showers. waves calm to 2 feet. 
.monday night...northwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight, then diminishing to 5 to 15 knots late.
waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday night...northwest winds 5 to 15 knots backing southeast
after midnight. waves calm to 2 feet. 
.wednesday...southeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.wednesday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.thursday...southeast winds 5 to 15 knots veering south. a chance
of showers. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots backing north. a chance of
showers. waves calm to 2 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202607270800;;653392

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 26 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

troughing around 29.8 inches over lake superior deepens to 29.7 
inches by tonight. a 29.6 to 29.7 inch clipper low then moves into 
the upper great lakes or upper midwest by monday before departing 
east towards the mid-atlantic on tuesday. behind the clipper, weak 
ridging of 29.9 to 30.0 inches returns to lake superior tuesday into 
thursday.




lsz266-270800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
401 pm edt sun jul 26 2026

...dense fog advisory in effect until 8 pm edt this evening...

.late this afternoon...east winds 5 to 15 knots. patchy dense
fog. a slight chance of showers and thunderstorms. waves calm to
2 feet. 
.tonight...southeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then backing north late. patchy fog. a
slight chance of thunderstorms through midnight. a slight chance
of showers. waves calm to 2 feet. 
.monday...north winds 10 to 20 knots. patchy fog. a slight chance
of showers. waves calm to 2 feet. 
.monday night...northwest winds 10 to 20 knots veering north
after midnight. waves building to 1 to 3 feet. 
.tuesday...north winds 5 to 15 knots backing northwest by mid
afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...north winds 5 to 15 knots veering southeast
after midnight. waves calm to 2 feet. 
.wednesday...southeast winds 5 to 15 knots. waves calm to 2 feet.
.wednesday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.thursday...southeast winds 5 to 15 knots veering south. a chance
of showers. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots backing north. a chance of
showers. waves calm to 2 feet. 

$$