fzus63 kdtx 021345
glflh 
expires:202608022145;;499465

open lake forecast for lake huron
national weather service detroit/pontiac mi
945 am edt sun aug 2 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...low pressure, 29.70 inches, will slowly track
northeastward across the ohio valley today. this brings rain and
isolated thunderstorm chances. high pressure influence then
builds into the region tonight and into monday offering drier
weather and weaker winds.


lhz362-363-022145-
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-
945 am edt sun aug 2 2026

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


$$

fzus63 kdtx 021345
glflh 
expires:202608022145;;499466

open lake forecast for lake huron
national weather service detroit/pontiac mi
945 am edt sun aug 2 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...low pressure, 29.70 inches, will slowly track
northeastward across the ohio valley today. this brings rain and
isolated thunderstorm chances. high pressure influence then
builds into the region tonight and into monday offering drier
weather and weaker winds.


lhz462>464-022145-
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-
945 am edt sun aug 2 2026

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


$$

fzus63 kdtx 021345
glflh 
expires:202608022145;;499464

open lake forecast for lake huron
national weather service detroit/pontiac mi
945 am edt sun aug 2 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...low pressure, 29.70 inches, will slowly track
northeastward across the ohio valley today. this brings rain and
isolated thunderstorm chances. high pressure influence then
builds into the region tonight and into monday offering drier
weather and weaker winds.


lhz361-022145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
945 am edt sun aug 2 2026

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


$$

fzus63 kmkx 021345
glflm 
expires:202608022115;;499439

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
845 am cdt sun aug 2 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...

breezy north winds and high waves are expected today and this 
evening over central and southern lake michigan. this will occur 
as low pressure around 29.7 inches stretching from central indiana
into western ohio will slowly move into the lower great lakes and
eastern ohio by early this evening, while a ridge of high 
pressure around 30.0 inches stretches from james bay to lake 
superior to the upper mississippi river valley. winds will 
gradually diminish late tonight. high pressure around 30.0 inches 
then builds across lake michigan on monday and slowly moves toward
the lower great lakes monday night. winds remain light and 
variable through this time. next chances for thunderstorms return 
tuesday night through wednesday night as a weak front moves 
southward through the region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-022115-
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-
845 am cdt sun aug 2 2026

sheboygan wi to pentwater mi south...

.rest of today...northeast winds 15 to 25 kt becoming north to
30 kt. waves 5 to 8 ft occasionally to 10 ft. 
.tonight...north winds to 30 kt diminishing to 15 to 25 kt late
in the evening, then becoming northeast 10 to 20 kt after
midnight diminishing to 10 to 15 kt late. waves 5 to 8 ft
occasionally to 10 ft subsiding to 3 to 5 ft. 
.monday...northeast winds 5 to 10 kt becoming north 10 to 15 kt.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.monday night...northeast winds 10 to 15 kt veering to south 5 to
10 kt. waves 1 to 2 ft. 
.tuesday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 2 ft building to 2 to 4 ft. 
.tuesday night...south winds 10 to 20 kt becoming southwest 10 to
15 kt. waves 2 to 4 ft. 
.wednesday...west winds 10 to 15 kt becoming southwest. chance of
showers. waves 1 to 2 ft. 
.thursday...southwest winds 5 to 10 kt becoming south 10 to
15 kt. waves 1 ft or less.  

$$

fzus63 kmkx 021345
glflm 
expires:202608022115;;499438

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
845 am cdt sun aug 2 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...

breezy north winds and high waves are expected today and this 
evening over central and southern lake michigan. this will occur 
as low pressure around 29.7 inches stretching from central indiana
into western ohio will slowly move into the lower great lakes and
eastern ohio by early this evening, while a ridge of high 
pressure around 30.0 inches stretches from james bay to lake 
superior to the upper mississippi river valley. winds will 
gradually diminish late tonight. high pressure around 30.0 inches 
then builds across lake michigan on monday and slowly moves toward
the lower great lakes monday night. winds remain light and 
variable through this time. next chances for thunderstorms return 
tuesday night through wednesday night as a weak front moves 
southward through the region.


lmz261-362-364-366-563-565-567-868-022115-
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-
845 am cdt sun aug 2 2026

sheboygan wi to pentwater mi north...

.rest of today...northeast winds 10 to 20 kt becoming north to
30 kt. waves 4 to 7 ft occasionally to 9 ft. 
.tonight...north winds to 30 kt becoming northeast 5 to 10 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.monday...northeast winds 5 to 10 kt backing to southwest. waves
1 to 2 ft. 
.monday night...south winds 5 to 10 kt increasing to 10 to 15 kt
overnight. waves 1 to 2 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. waves
1 to 3 ft building to 2 to 4 ft. 
.tuesday night...southwest winds 15 to 25 kt diminishing to 10 to
15 kt. showers likely. waves 2 to 4 ft. 
.wednesday...northwest winds 10 to 15 kt becoming west. chance of
showers. waves 1 to 2 ft. 
.thursday...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 2 ft.  

$$

fzus63 kmqt 021401
glfls 
expires:202608022000;;499959

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun aug 2 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...

ridging of around 30.0 inches over lake superior persists into 
monday as a 29.7 inch low over the ohio river valley tracks into 
southern quebec and deepens to 29.5 inches by monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.4 inch low tracks over hudson bay. ridging returns on wednesday 
as 30.0 inch high pressure builds into the great lakes from the 
northern plains.




lsz266-022000-
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-
1001 am edt sun aug 2 2026

.rest of today...northeast winds 10 to 20 knots becoming north
5 to 15 knots in the afternoon. waves 1 to 3 feet subsiding to
calm to 2 feet. 
.tonight...north winds 5 to 15 knots veering east late. waves
calm to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 10 to
20 knots late. waves calm to 2 feet. 
.monday night...southeast winds 15 to 25 knots veering south
after midnight. waves building to 2 to 4 feet. 
.tuesday...south winds 15 to 25 knots becoming southwest 10 to
20 knots by mid afternoon. a chance of showers. a slight chance
of thunderstorms by mid afternoon. waves subsiding to 1 to
3 feet. 
.tuesday night...southwest winds 5 to 15 knots veering west after
midnight. waves subsiding to calm to 2 feet. 
.wednesday...west winds 5 to 15 knots backing south. waves calm
to 2 feet. 
.thursday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 021401
glfls 
expires:202608022000;;499960

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun aug 2 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...

ridging of around 30.0 inches over lake superior persists into 
monday as a 29.7 inch low over the ohio river valley tracks into 
southern quebec and deepens to 29.5 inches by monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.4 inch low tracks over hudson bay. ridging returns on wednesday 
as 30.0 inch high pressure builds into the great lakes from the 
northern plains.




lsz267-022000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 am edt sun aug 2 2026

.rest of today...northeast winds 10 to 20 knots backing northwest
late. waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...north winds 10 to 20 knots becoming northeast 5 to
15 knots after midnight, then veering east late. waves calm to
2 feet. 
.monday...east winds 5 to 15 knots becoming south less than
10 knots in the afternoon, then becoming east 5 to 15 knots late.
waves calm to 2 feet. 
.monday night...south winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 1 to 3 feet. 
.tuesday...south winds 15 to 25 knots becoming southwest 10 to
20 knots by mid afternoon. a chance of showers and a slight
chance of thunderstorms by mid afternoon. waves building to 2 to
4 feet, then subsiding to calm to 2 feet. 
.tuesday night...southwest winds 5 to 15 knots veering west after
midnight. a chance of showers. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots backing south. waves calm
to 2 feet. 
.thursday...south winds 5 to 15 knots. waves building to 1 to
3 feet. 

$$

fzus63 kmqt 021401
glfls 
expires:202608022000;;499955

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun aug 2 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...

ridging of around 30.0 inches over lake superior persists into 
monday as a 29.7 inch low over the ohio river valley tracks into 
southern quebec and deepens to 29.5 inches by monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.4 inch low tracks over hudson bay. ridging returns on wednesday 
as 30.0 inch high pressure builds into the great lakes from the 
northern plains.




lsz162-022000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt sun aug 2 2026 /901 am cdt sun aug 2 2026/

.rest of today...northeast winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...northeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...east winds 10 to 20 knots veering southwest after
midnight. a slight chance of showers through midnight, then
showers likely and a slight chance of thunderstorms after
midnight. waves building to 1 to 3 feet. 
.tuesday...west winds 15 to 25 knots backing southwest by mid
afternoon. a slight chance of showers through early afternoon.
waves building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.tuesday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots. waves calm to 2 feet.

$$

fzus63 kmqt 021401
glfls 
expires:202608022000;;499956

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun aug 2 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...

ridging of around 30.0 inches over lake superior persists into 
monday as a 29.7 inch low over the ohio river valley tracks into 
southern quebec and deepens to 29.5 inches by monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.4 inch low tracks over hudson bay. ridging returns on wednesday 
as 30.0 inch high pressure builds into the great lakes from the 
northern plains.




lsz263-022000-
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-
1001 am edt sun aug 2 2026

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

$$

fzus63 kmqt 021401
glfls 
expires:202608022000;;499957

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun aug 2 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...

ridging of around 30.0 inches over lake superior persists into 
monday as a 29.7 inch low over the ohio river valley tracks into 
southern quebec and deepens to 29.5 inches by monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.4 inch low tracks over hudson bay. ridging returns on wednesday 
as 30.0 inch high pressure builds into the great lakes from the 
northern plains.




lsz264-022000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 am edt sun aug 2 2026

.rest of today...northeast winds 5 to 15 knots backing northwest
late. waves calm to 2 feet. 
.tonight...northwest winds less than 10 knots backing southeast
after midnight. waves calm to 2 feet. 
.monday...south winds 5 to 15 knots backing southeast in the
afternoon. waves calm to 2 feet. 
.monday night...southeast winds 10 to 20 knots veering south
after midnight. a slight chance of showers after midnight. waves
building to 2 to 4 feet. 
.tuesday...southwest winds 10 to 20 knots. a chance of showers
and a slight chance of thunderstorms through early afternoon.
waves subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.tuesday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves calm to 2 feet.
.thursday...southwest winds 10 to 20 knots. waves building to
1 to 3 feet. 

$$

fzus63 kmqt 021401
glfls 
expires:202608022000;;499958

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun aug 2 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...

ridging of around 30.0 inches over lake superior persists into 
monday as a 29.7 inch low over the ohio river valley tracks into 
southern quebec and deepens to 29.5 inches by monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.4 inch low tracks over hudson bay. ridging returns on wednesday 
as 30.0 inch high pressure builds into the great lakes from the 
northern plains.




lsz265-022000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 am edt sun aug 2 2026

.rest of today...northeast winds 10 to 20 knots becoming north
5 to 15 knots late. waves calm to 2 feet. 
.tonight...north winds 5 to 15 knots veering southeast after
midnight. waves calm to 2 feet. 
.monday...south winds 5 to 15 knots backing southeast in the
afternoon, then increasing to 15 to 25 knots late. waves calm to
2 feet. 
.monday night...southeast winds 15 to 25 knots veering south
after midnight. waves building to 1 to 3 feet. 
.tuesday...southwest winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. a chance of showers. a slight chance
of thunderstorms by mid afternoon. waves subsiding to calm to
2 feet. 
.tuesday night...west winds 10 to 20 knots. waves calm to 2 feet.
.wednesday...west winds 10 to 20 knots backing southwest. waves
calm to 2 feet. 
.thursday...south winds 10 to 20 knots becoming southwest 15 to
25 knots. waves calm to 2 feet. 

$$