fzus63 kdtx 011400
glflh 
expires:202608012200;;444898

open lake forecast for lake huron
national weather service detroit/pontiac mi
1000 am edt sat aug 1 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 eastward
across the ohio valley through the weekend. this brings rain and
isolated thunderstorm chances to the great lakes both today and
sunday along with elevated northeast winds and waves into saginaw
bay and the thumb nearshores.


lhz361-012200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
1000 am edt sat aug 1 2026

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


$$

fzus63 kdtx 011400
glflh 
expires:202608012200;;444899

open lake forecast for lake huron
national weather service detroit/pontiac mi
1000 am edt sat aug 1 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 eastward
across the ohio valley through the weekend. this brings rain and
isolated thunderstorm chances to the great lakes both today and
sunday along with elevated northeast winds and waves into saginaw
bay and the thumb nearshores.


lhz362-363-012200-
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-
1000 am edt sat aug 1 2026

.rest of today...north winds 5 to 10 knots. waves 2 feet or less.
.tonight...north winds 5 to 10 knots becoming northeast 10 to
15 knots after midnight. showers likely in the evening...then a
chance of showers after midnight. waves 1 to 3 feet. 
.sunday...northeast winds 10 to 15 knots. a chance of showers in
the morning. waves 3 to 5 feet. 
.sunday night...north winds 10 to 15 knots decreasing to 5 to
10 knots by midnight...then increasing to 10 to 15 knots after
midnight. waves 2 to 4 feet. 
.monday...north winds 10 to 15 knots decreasing to 5 to 10 knots.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...light and variable winds becoming east 5 to 10 knots .
waves 2 feet or less. 
.wednesday...light and variable winds. waves 2 feet or less. 


$$

fzus63 kdtx 011400
glflh 
expires:202608012200;;444900

open lake forecast for lake huron
national weather service detroit/pontiac mi
1000 am edt sat aug 1 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 eastward
across the ohio valley through the weekend. this brings rain and
isolated thunderstorm chances to the great lakes both today and
sunday along with elevated northeast winds and waves into saginaw
bay and the thumb nearshores.


lhz462>464-012200-
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-
1000 am edt sat aug 1 2026

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


$$

fzus63 kmkx 011359
glflm 
expires:202608012115;;444875

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am cdt sat aug 1 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...

low pressure around 29.6 inches will slowly progress across
central illinois today, allowing winds to slowly shift from 
east to northeast. expect gusts around 30 kt in the southern half
of the lake. an isolated gale cannot be ruled out. the low will 
gradually move east through the ohio valley through sunday night, 
turning winds to northerly and bringing 30 kt wind gusts again 
sunday afternoon. isolated gales become possible once again sunday
afternoon. winds will gradually diminish through sunday night. 
high pressure around 30.0 inches then builds into the eastern 
great lakes monday, lingering through tuesday night. winds remain 
light and variable through this time.


lmz261-362-364-366-563-565-567-868-012115-
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-
859 am cdt sat aug 1 2026

sheboygan wi to pentwater mi north...

.rest of today...northeast winds 10 to 20 kt becoming north.
isolated showers. waves 2 to 4 ft. 
.tonight...northeast winds 10 to 20 kt. isolated showers in the
evening. waves 3 to 5 ft. 
.sunday...northeast winds 10 to 20 kt becoming north to 30 kt.
waves 4 to 7 ft occasionally to 9 ft. 
.sunday night...north winds to 30 kt becoming northeast 10 to
20 kt overnight. waves 4 to 7 ft occasionally to 9 ft subsiding
to 2 to 4 ft. 
.monday...northeast winds 10 to 15 kt becoming north 15 to 25 kt
in the afternoon. waves 1 to 3 ft. 
.monday night...east winds 10 to 20 kt veering to south 5 to
10 kt. waves 1 to 3 ft. 
.tuesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.wednesday...west winds 10 to 15 kt becoming northwest. waves
1 to 2 ft.  

$$

fzus63 kmkx 011359
glflm 
expires:202608012115;;444876

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am cdt sat aug 1 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...

low pressure around 29.6 inches will slowly progress across
central illinois today, allowing winds to slowly shift from 
east to northeast. expect gusts around 30 kt in the southern half
of the lake. an isolated gale cannot be ruled out. the low will 
gradually move east through the ohio valley through sunday night, 
turning winds to northerly and bringing 30 kt wind gusts again 
sunday afternoon. isolated gales become possible once again sunday
afternoon. winds will gradually diminish through sunday night. 
high pressure around 30.0 inches then builds into the eastern 
great lakes monday, lingering through tuesday night. winds remain 
light and variable through this time.


lmz080-669-671-673-675-777-779-870-872-874-876-878-012115-
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-
859 am cdt sat aug 1 2026

sheboygan wi to pentwater mi south...

.rest of today...east winds 15 to 25 kt becoming northeast to
30 kt. showers and slight chance of thunderstorms through mid
morning, then numerous showers and slight chance of thunderstorms
this afternoon. waves 4 to 7 ft occasionally to 9 ft. 
.tonight...northeast winds to 30 kt diminishing to 15 to 25 kt.
scattered showers and slight chance of thunderstorms in the
evening, then isolated showers overnight. waves 5 to 8 ft
occasionally to 10 ft. 
.sunday...northeast winds 15 to 25 kt becoming north to 30 kt.
waves 5 to 8 ft occasionally to 10 ft. 
.sunday night...north winds to 30 kt becoming northeast 10 to
20 kt overnight. waves 5 to 8 ft occasionally to 10 ft subsiding
to 4 to 7 ft occasionally to 9 ft. 
.monday...northeast winds 10 to 15 kt becoming north 15 to 25 kt
in the afternoon. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.monday night...north winds 10 to 20 kt becoming east 5 to 10 kt.
waves 1 to 3 ft. 
.tuesday...east winds 5 to 10 kt veering to southwest 10 to
20 kt. waves 1 to 2 ft. 
.wednesday...west winds 10 to 15 kt becoming southwest. waves
1 to 2 ft.  

$$

fzus63 kmqt 011401
glfls 
expires:202608012000;;444948

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sat aug 1 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 troughing of around 29.9 inches lingers over lake superior 
today as a 29.6 inch low over central illinois slowly moves toward 
the ohio river valley. 30.0 inch ridging builds over the lake from 
northern ontario tonight and persists through monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.5 inch low tracks over far northern hudson bay. ridging returns 
on wednesday as 30-0 to 30.1 inch high pressure builds into the 
great lakes from the northern plains.




lsz162-012000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt sat aug 1 2026 /901 am cdt sat aug 1 2026/

.rest of today...northeast winds 5 to 15 knots veering east in
the afternoon, then backing northeast late. a slight chance of
showers by mid afternoon. waves calm to 2 feet. 
.tonight...north winds 5 to 15 knots veering northeast late.
waves calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots veering southwest after
midnight. a chance of showers after midnight. waves calm to
2 feet. 
.tuesday...southwest winds 5 to 15 knots veering northwest. waves
calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves calm to 2 feet.

$$

fzus63 kmqt 011401
glfls 
expires:202608012000;;444949

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sat aug 1 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 troughing of around 29.9 inches lingers over lake superior 
today as a 29.6 inch low over central illinois slowly moves toward 
the ohio river valley. 30.0 inch ridging builds over the lake from 
northern ontario tonight and persists through monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.5 inch low tracks over far northern hudson bay. ridging returns 
on wednesday as 30-0 to 30.1 inch high pressure builds into the 
great lakes from the northern plains.




lsz263-012000-
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 sat aug 1 2026

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

$$

fzus63 kmqt 011401
glfls 
expires:202608012000;;444950

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sat aug 1 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 troughing of around 29.9 inches lingers over lake superior 
today as a 29.6 inch low over central illinois slowly moves toward 
the ohio river valley. 30.0 inch ridging builds over the lake from 
northern ontario tonight and persists through monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.5 inch low tracks over far northern hudson bay. ridging returns 
on wednesday as 30-0 to 30.1 inch high pressure builds into the 
great lakes from the northern plains.




lsz264-012000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 am edt sat aug 1 2026

...dense fog advisory in effect until 11 am edt this morning...

.rest of today...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...north winds 5 to 15 knots veering northeast after
midnight. waves calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots backing northwest late.
waves calm to 2 feet. 
.sunday night...northwest winds less than 10 knots backing
southeast after midnight. waves calm to 2 feet. 
.monday...south winds less than 10 knots becoming southeast 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots becoming south
10 to 20 knots after midnight. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots veering northwest. a
chance of showers. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 011401
glfls 
expires:202608012000;;444951

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sat aug 1 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 troughing of around 29.9 inches lingers over lake superior 
today as a 29.6 inch low over central illinois slowly moves toward 
the ohio river valley. 30.0 inch ridging builds over the lake from 
northern ontario tonight and persists through monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.5 inch low tracks over far northern hudson bay. ridging returns 
on wednesday as 30-0 to 30.1 inch high pressure builds into the 
great lakes from the northern plains.




lsz265-012000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 am edt sat aug 1 2026

...dense fog advisory in effect until 5 pm edt this afternoon...

.rest of today...north winds 10 to 20 knots. patchy dense fog. a
slight chance of showers. waves calm to 2 feet. 
.tonight...north winds 10 to 20 knots veering northeast after
midnight. waves calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots becoming north 5 to
15 knots late. waves calm to 2 feet. 
.sunday night...north winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.monday...south winds 5 to 15 knots becoming east 10 to 20 knots
by mid afternoon. waves calm to 2 feet. 
.monday night...southeast winds 15 to 25 knots becoming south
10 to 20 knots after midnight. waves calm to 2 feet. 
.tuesday...south winds 10 to 20 knots veering west. a chance of
showers. waves calm to 2 feet. 
.wednesday...northwest winds 10 to 20 knots backing southwest.
waves calm to 2 feet. 

$$

fzus63 kmqt 011401
glfls 
expires:202608012000;;444952

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sat aug 1 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 troughing of around 29.9 inches lingers over lake superior 
today as a 29.6 inch low over central illinois slowly moves toward 
the ohio river valley. 30.0 inch ridging builds over the lake from 
northern ontario tonight and persists through monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.5 inch low tracks over far northern hudson bay. ridging returns 
on wednesday as 30-0 to 30.1 inch high pressure builds into the 
great lakes from the northern plains.




lsz266-012000-
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 sat aug 1 2026

...dense fog advisory in effect until 5 pm edt this afternoon...

.rest of today...north winds 5 to 15 knots increasing to 10 to
20 knots late. patchy dense fog. a slight chance of showers.
waves calm to 2 feet. 
.tonight...north winds 10 to 20 knots veering northeast after
midnight. waves building to 1 to 3 feet. 
.sunday...northeast winds 10 to 20 knots becoming north 5 to
15 knots in the afternoon. waves subsiding to calm to 2 feet. 
.sunday night...north winds 5 to 15 knots veering northeast after
midnight. waves calm to 2 feet. 
.monday...southeast winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...southeast winds 10 to 20 knots veering south
after midnight. waves building to 1 to 3 feet. 
.tuesday...south winds 10 to 20 knots becoming west 5 to
15 knots. a chance of showers. waves subsiding to calm to 2 feet.
.wednesday...northwest winds 5 to 15 knots backing southwest.
waves calm to 2 feet. 

$$

fzus63 kmqt 011401
glfls 
expires:202608012000;;444953

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sat aug 1 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 troughing of around 29.9 inches lingers over lake superior 
today as a 29.6 inch low over central illinois slowly moves toward 
the ohio river valley. 30.0 inch ridging builds over the lake from 
northern ontario tonight and persists through monday afternoon. a 
29.8 inch trough moves over the lake monday night into tuesday as a 
29.5 inch low tracks over far northern hudson bay. ridging returns 
on wednesday as 30-0 to 30.1 inch high pressure builds into the 
great lakes from the northern plains.




lsz267-012000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 am edt sat aug 1 2026

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

.rest of today...north winds 5 to 15 knots increasing to 10 to
20 knots late. patchy fog. a chance of showers. a slight chance
of thunderstorms by mid afternoon. waves calm to 2 feet. 
.tonight...northeast winds 10 to 20 knots. a slight chance of
showers through midnight. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots backing northwest late.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.sunday night...north winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots backing north by mid
afternoon. waves calm to 2 feet. 
.monday night...south winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...south winds 5 to 15 knots veering west. a chance of
showers. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots. a chance of showers. waves
calm to 2 feet. 

$$