fzus63 kdtx 241337
glflh 
expires:202609242145;;979436

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 am edt thu sep 24 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 strong high pressure system, 30.60 inches, will
travel from quebec and will center over the northern great lakes
by friday afternoon. while this continues to bring brisk east to
northeast flow this morning, the approaching high pressure system
will decrease wind speeds through the afternoon and evening.


lhz361-242145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
937 am edt thu sep 24 2026

.rest of today...east winds 10 to 15 knots. waves 1 to 3 feet. 
.tonight...east winds 10 to 15 knots becoming light and variable.
waves 1 to 3 feet. 
.friday...light and variable winds. waves 2 feet or less. 
.friday night...light and variable winds. waves 2 feet or less. 
.saturday...light and variable winds. waves 2 feet or less. 
.sunday...light and variable winds. waves nearly calm. 
.monday...light and variable winds. waves nearly calm. 


$$

fzus63 kdtx 241337
glflh 
expires:202609242145;;979437

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 am edt thu sep 24 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 strong high pressure system, 30.60 inches, will
travel from quebec and will center over the northern great lakes
by friday afternoon. while this continues to bring brisk east to
northeast flow this morning, the approaching high pressure system
will decrease wind speeds through the afternoon and evening.


lhz362-363-242145-
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-
937 am edt thu sep 24 2026

.rest of today...east winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. waves 1 to 3 feet. 
.tonight...northeast winds 5 to 10 knots veering to the east
after midnight. waves 2 feet or less. 
.friday...light and variable winds. waves 2 feet or less. 
.friday night...light and variable winds becoming north 5 to
10 knots after midnight. waves 2 feet or less. 
.saturday...north winds 5 to 10 knots in the morning becoming
light and variable...then becoming north 5 to 10 knots late in
the afternoon becoming light and variable. waves 2 feet or less. 
.sunday...light and variable winds becoming north 5 to 10 knots
by midnight. waves 2 feet or less. 
.monday...north winds 5 to 10 knots early in the morning becoming
light and variable. waves 2 feet or less. 


$$

fzus63 kdtx 241337
glflh 
expires:202609242145;;979438

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 am edt thu sep 24 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 strong high pressure system, 30.60 inches, will
travel from quebec and will center over the northern great lakes
by friday afternoon. while this continues to bring brisk east to
northeast flow this morning, the approaching high pressure system
will decrease wind speeds through the afternoon and evening.


lhz462>464-242145-
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-
937 am edt thu sep 24 2026

.rest of today...east winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. waves 1 to 3 feet. 
.tonight...northeast winds 5 to 10 knots becoming east 10 to
15 knots after midnight...then becoming southeast 5 to 10 knots
early in the morning. waves 2 feet or less. 
.friday...east winds 5 to 10 knots backing to the north early in
the afternoon. waves 2 feet or less. 
.friday night...north winds 10 to 15 knots becoming northeast
5 to 10 knots after midnight. waves 1 to 3 feet. 
.saturday...north winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon...then becoming northeast 5 to
10 knots late in the evening. waves 1 to 3 feet. 
.sunday...north winds 5 to 10 knots increasing to 10 to 15 knots
early in the evening...then decreasing to 5 to 10 knots by
midnight. waves 1 to 3 feet. 
.monday...north winds 5 to 10 knots becoming light and variable.
waves 2 feet or less. 


$$

fzus63 kmkx 241347
glflm 
expires:202609242130;;979635

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
847 am cdt thu sep 24 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...

strong high pressure around 30.6 inches will linger over 
southeast ontario and southern quebec today, weakening to around 
30.4 inches tonight. modest easterly winds continue through this 
morning, weakening this afternoon and evening. light east to 
southeast winds will prevail for the rest of the week and into 
the weekend, as surface high pressure shifts from the northern 
great lakes to james bay.


lmz261-362-364-366-563-565-567-868-242130-
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-
847 am cdt thu sep 24 2026

sheboygan wi to pentwater mi north...

.rest of today...southeast winds 10 to 20 kt becoming northeast.
waves 2 to 4 ft. 
.tonight...northeast winds 10 to 20 kt veering to south 10 to
15 kt. waves 1 to 3 ft. 
.friday...south winds 10 to 15 kt becoming southwest. waves 1 to
3 ft subsiding to 1 to 2 ft. 
.friday night...east winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday...southeast winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday night...east winds 5 to 10 kt becoming southeast. waves
1 ft or less. 
.sunday...south winds 5 to 10 kt becoming southwest. waves 1 ft
or less. 
.monday...southeast winds 5 to 10 kt becoming southwest. waves
nearly calm.  

$$

fzus63 kmkx 241347
glflm 
expires:202609242130;;979636

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
847 am cdt thu sep 24 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...

strong high pressure around 30.6 inches will linger over 
southeast ontario and southern quebec today, weakening to around 
30.4 inches tonight. modest easterly winds continue through this 
morning, weakening this afternoon and evening. light east to 
southeast winds will prevail for the rest of the week and into 
the weekend, as surface high pressure shifts from the northern 
great lakes to james bay.


lmz080-669-671-673-675-777-779-870-872-874-876-878-242130-
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-
847 am cdt thu sep 24 2026

sheboygan wi to pentwater mi south...

.rest of today...east winds 10 to 20 kt diminishing to 5 to
10 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tonight...east winds 10 to 15 kt becoming southeast. waves 2 to
4 ft. 
.friday...southeast winds 10 to 15 kt becoming east. waves 1 to
3 ft subsiding to 1 to 2 ft. 
.friday night...northeast winds 5 to 10 kt becoming east. waves
1 to 2 ft. 
.saturday...southeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.saturday night...east winds 5 to 10 kt becoming southeast. waves
1 to 2 ft. 
.sunday...southeast winds 5 to 10 kt becoming east. waves 1 to
2 ft. 
.monday...east winds 5 to 10 kt becoming southeast. waves 1 ft or
less.  

$$

fzus63 kmqt 241402
glfls 
expires:202609242000;;980097

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu sep 24 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...

a 30.6 inch high centered over quebec begins to break down today, 
weakening to 30.4 inches tonight. by late friday, the high weakens 
to 30.3 inches over the eastern great lakes basin as a 29.5 inch low 
develops over the northern rockies. on saturday the high begins 
shifting northeast toward northern quebec while the low deepens and 
moves north through the canadian prairies. sunday through monday, 
the high shifts east to the canadian maritimes, weakening to 30.0 
inches. this gradually weakens high pressure ridging over lake 
superior from 30.1 inches sunday morning to 29.9 inches by the end 
of monday as a 29.8 inch trough approaches from the west.




lsz162-242000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt thu sep 24 2026 /901 am cdt thu sep 24 2026/

.rest of today...south winds 5 to 15 knots backing east late. a
slight chance of showers by mid afternoon. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots becoming northeast less than
10 knots after midnight, then veering south late. a slight chance
of showers through midnight. patchy fog after midnight. waves
calm to 2 feet. 
.friday...south winds less than 10 knots backing north in the
afternoon, then becoming northeast 5 to 15 knots late. patchy fog
through early afternoon. waves calm to 2 feet. 
.friday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...east winds 5 to 15 knots veering south after
midnight. a chance of showers. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots becoming southwest less than
10 knots. waves calm to 2 feet. 
.monday...south winds 5 to 15 knots. a chance of showers. waves
calm to 2 feet. 

$$

fzus63 kmqt 241402
glfls 
expires:202609242000;;980098

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu sep 24 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...

a 30.6 inch high centered over quebec begins to break down today, 
weakening to 30.4 inches tonight. by late friday, the high weakens 
to 30.3 inches over the eastern great lakes basin as a 29.5 inch low 
develops over the northern rockies. on saturday the high begins 
shifting northeast toward northern quebec while the low deepens and 
moves north through the canadian prairies. sunday through monday, 
the high shifts east to the canadian maritimes, weakening to 30.0 
inches. this gradually weakens high pressure ridging over lake 
superior from 30.1 inches sunday morning to 29.9 inches by the end 
of monday as a 29.8 inch trough approaches from the west.




lsz263-242000-
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 thu sep 24 2026

.rest of today...south winds 5 to 15 knots backing east late.
waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.friday...south winds 5 to 15 knots becoming southwest less than
10 knots in the afternoon, then becoming northeast 5 to 15 knots
late. waves calm to 2 feet. 
.friday night...east winds 5 to 15 knots veering southeast after
midnight. waves calm to 2 feet. 
.saturday...southeast winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.saturday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday...south winds 5 to 15 knots. a chance of showers. waves
calm to 2 feet. 

$$

fzus63 kmqt 241402
glfls 
expires:202609242000;;980099

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu sep 24 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...

a 30.6 inch high centered over quebec begins to break down today, 
weakening to 30.4 inches tonight. by late friday, the high weakens 
to 30.3 inches over the eastern great lakes basin as a 29.5 inch low 
develops over the northern rockies. on saturday the high begins 
shifting northeast toward northern quebec while the low deepens and 
moves north through the canadian prairies. sunday through monday, 
the high shifts east to the canadian maritimes, weakening to 30.0 
inches. this gradually weakens high pressure ridging over lake 
superior from 30.1 inches sunday morning to 29.9 inches by the end 
of monday as a 29.8 inch trough approaches from the west.




lsz264-242000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 am edt thu sep 24 2026

.rest of today...south winds 5 to 15 knots backing southeast
late. waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots veering southwest late.
waves calm to 2 feet. 
.friday...southwest winds less than 10 knots backing southeast
late. waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...southeast winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots becoming southwest less than
10 knots. waves calm to 2 feet. 
.monday...southwest winds less than 10 knots becoming south 5 to
15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 241402
glfls 
expires:202609242000;;980100

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu sep 24 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...

a 30.6 inch high centered over quebec begins to break down today, 
weakening to 30.4 inches tonight. by late friday, the high weakens 
to 30.3 inches over the eastern great lakes basin as a 29.5 inch low 
develops over the northern rockies. on saturday the high begins 
shifting northeast toward northern quebec while the low deepens and 
moves north through the canadian prairies. sunday through monday, 
the high shifts east to the canadian maritimes, weakening to 30.0 
inches. this gradually weakens high pressure ridging over lake 
superior from 30.1 inches sunday morning to 29.9 inches by the end 
of monday as a 29.8 inch trough approaches from the west.




lsz265-242000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 am edt thu sep 24 2026

.rest of today...south winds 10 to 20 knots backing southeast in
the afternoon, then increasing to 15 to 25 knots late. waves calm
to 2 feet. 
.tonight...southeast winds 10 to 20 knots veering south after
midnight, then diminishing to 5 to 15 knots late. waves calm to
2 feet. 
.friday...southwest winds 5 to 15 knots backing east in the
afternoon. waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...southeast winds 5 to 15 knots becoming east 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.monday...southeast winds 5 to 15 knots becoming south 10 to
20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 241402
glfls 
expires:202609242000;;980101

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu sep 24 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...

a 30.6 inch high centered over quebec begins to break down today, 
weakening to 30.4 inches tonight. by late friday, the high weakens 
to 30.3 inches over the eastern great lakes basin as a 29.5 inch low 
develops over the northern rockies. on saturday the high begins 
shifting northeast toward northern quebec while the low deepens and 
moves north through the canadian prairies. sunday through monday, 
the high shifts east to the canadian maritimes, weakening to 30.0 
inches. this gradually weakens high pressure ridging over lake 
superior from 30.1 inches sunday morning to 29.9 inches by the end 
of monday as a 29.8 inch trough approaches from the west.




lsz266-242000-
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 thu sep 24 2026

.rest of today...south winds 10 to 20 knots backing southeast in
the afternoon. waves calm to 2 feet. 
.tonight...southeast winds 10 to 20 knots veering south after
midnight, then diminishing to 5 to 15 knots late. waves calm to
2 feet. 
.friday...south winds 5 to 15 knots becoming southwest less than
10 knots in the afternoon, then backing east late. waves calm to
2 feet. 
.friday night...southeast winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...southeast winds 5 to 15 knots becoming east 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.monday...southwest winds 5 to 15 knots backing south. waves calm
to 2 feet. 

$$

fzus63 kmqt 241402
glfls 
expires:202609242000;;980102

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu sep 24 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...

a 30.6 inch high centered over quebec begins to break down today, 
weakening to 30.4 inches tonight. by late friday, the high weakens 
to 30.3 inches over the eastern great lakes basin as a 29.5 inch low 
develops over the northern rockies. on saturday the high begins 
shifting northeast toward northern quebec while the low deepens and 
moves north through the canadian prairies. sunday through monday, 
the high shifts east to the canadian maritimes, weakening to 30.0 
inches. this gradually weakens high pressure ridging over lake 
superior from 30.1 inches sunday morning to 29.9 inches by the end 
of monday as a 29.8 inch trough approaches from the west.




lsz267-242000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 am edt thu sep 24 2026

.rest of today...southeast winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...southeast winds 10 to 20 knots veering south after
midnight. waves calm to 2 feet. 
.friday...south winds 5 to 15 knots backing east late. waves calm
to 2 feet. 
.friday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...southeast winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.saturday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.monday...southwest winds 5 to 15 knots backing south. waves calm
to 2 feet. 

$$