fzus63 kdtx 250142
glflh 
expires:202609250945;;006982

open lake forecast for lake huron
national weather service detroit/pontiac mi
942 pm 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, 30.30 inches, will
expand from quebec/ontario into michigan by this afternoon. this
will bring an extended period of light winds and dry weather that
will last through early next week.


lhz362-363-250945-
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-
942 pm edt thu sep 24 2026

.rest of tonight...east winds 5 to 10 knots by midnight becoming
light and variable. 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. waves 2 feet or less. 
.saturday night...north winds 5 to 10 knots. waves 2 feet or
less. 
.sunday...north winds 5 to 10 knots. 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. 
.tuesday...light and variable winds becoming southeast 10 to
15 knots. a chance of. waves 2 feet or less building to 2 to
4 feet by midnight. 


$$

fzus63 kdtx 250142
glflh 
expires:202609250945;;006981

open lake forecast for lake huron
national weather service detroit/pontiac mi
942 pm 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, 30.30 inches, will
expand from quebec/ontario into michigan by this afternoon. this
will bring an extended period of light winds and dry weather that
will last through early next week.


lhz361-250945-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
942 pm edt thu sep 24 2026

.rest of tonight...southeast winds 5 to 10 knots this evening
becoming light and variable. waves 2 feet or less. 
.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. 
.saturday night...light and variable winds. waves nearly calm. 
.sunday...light and variable winds. waves 2 feet or less. 
.monday...light and variable winds. waves nearly calm. 
.tuesday...light and variable winds becoming southeast 10 to
15 knots . a chance of showers by midnight. waves 2 feet or less.


$$

fzus63 kdtx 250142
glflh 
expires:202609250945;;006983

open lake forecast for lake huron
national weather service detroit/pontiac mi
942 pm 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, 30.30 inches, will
expand from quebec/ontario into michigan by this afternoon. this
will bring an extended period of light winds and dry weather that
will last through early next week.


lhz462>464-250945-
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-
942 pm edt thu sep 24 2026

.rest of tonight...east winds 10 to 15 knots becoming southeast
5 to 10 knots early in the morning. waves 2 feet or less. 
.friday...east winds 5 to 10 knots early in the morning becoming
light and variable...then becoming north 5 to 10 knots late in
the afternoon. waves 2 feet or less. 
.friday night...north winds 5 to 10 knots increasing to 10 to
15 knots by midnight...then becoming northeast 5 to 10 knots
after midnight. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots. waves 1 to 3 feet. 
.saturday night...north winds 10 to 15 knots becoming northeast
5 to 10 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.sunday...north winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon...then decreasing to 5 to 10 knots late in
the evening. waves 1 to 3 feet. 
.monday...north winds 5 to 10 knots becoming light and variable.
waves 2 feet or less. 
.tuesday...light and variable winds becoming south 10 to
15 knots. waves 2 feet or less. 


$$

fzus63 kmkx 242010
glflm 
expires:202609250330;;994826

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
310 pm 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 over ontario will weaken to around 30.4 
inches tonight, leading to continued very light east winds. light 
east to southeast winds will prevail for the rest of the week and 
into the weekend as high pressure builds farther south into the 
great lakes region. high pressure will progress into the ohio
valley into tuesday, allowing winds to turn southeasterly and
increase as low pressure develops in the central plains.


lmz261-362-364-366-563-565-567-868-250330-
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-
310 pm cdt thu sep 24 2026

sheboygan wi to pentwater mi north...

.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...north winds 5 to 10 kt veering to east. waves
1 to 2 ft. 
.saturday...east winds 5 to 10 kt. waves 1 ft or less. 
.saturday night...northeast winds 5 to 10 kt becoming east. waves
1 ft or less. 
.sunday...southeast winds 5 to 10 kt. waves 1 ft or less. 
.sunday night...northeast winds 5 to 10 kt diminishing to less
than 10 kt. waves nearly calm. 
.monday...southeast winds 5 to 10 kt veering to south. waves
nearly calm. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. waves
2 to 4 ft building to 4 to 7 ft occasionally to 9 ft. 

$$

fzus63 kmkx 242010
glflm 
expires:202609250330;;994827

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
310 pm 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 over ontario will weaken to around 30.4 
inches tonight, leading to continued very light east winds. light 
east to southeast winds will prevail for the rest of the week and 
into the weekend as high pressure builds farther south into the 
great lakes region. high pressure will progress into the ohio
valley into tuesday, allowing winds to turn southeasterly and
increase as low pressure develops in the central plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-250330-
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-
310 pm cdt thu sep 24 2026

sheboygan wi to pentwater mi south...

.tonight...east winds 5 to 10 kt increasing to 10 to 15 kt late
this evening, then becoming southeast 10 to 20 kt after midnight
diminishing to 10 to 15 kt late. waves 2 to 4 ft. 
.friday...southeast winds 10 to 15 kt becoming northeast. waves
2 to 4 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 5 to 10 kt becoming east. waves 1 to
2 ft. 
.saturday night...northeast winds 5 to 10 kt becoming east. waves
1 ft or less. 
.sunday...east winds 5 to 10 kt becoming northeast. waves 1 to
2 ft. 
.sunday night...north winds 5 to 10 kt becoming northeast. waves
1 ft or less. 
.monday...east winds 5 to 10 kt becoming southeast. waves 1 ft or
less. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft building to 5 to 8 ft occasionally to 10 ft.  

$$

fzus63 kmqt 242001
glfls 
expires:202609250800;;994109

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 30.4 inch high centered over quebec will weaken to 30.3 inches 
over the 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. by tuesday evening the trough will 
move over lake superior at 29.7 inches.




lsz265-250800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt thu sep 24 2026

.late this afternoon...southeast winds 15 to 25 knots. waves calm
to 2 feet. 
.tonight...southeast winds 10 to 20 knots veering south after
midnight, then becoming southwest 5 to 15 knots late. waves calm
to 2 feet. 
.friday...southwest winds 5 to 15 knots backing east 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 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 backing east by mid
afternoon. waves calm to 2 feet. 
.sunday night...southeast winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.monday...southeast winds 5 to 15 knots becoming south 10 to
20 knots. waves calm to 2 feet. 
.tuesday...south winds 20 to 30 knots. a chance of showers, then
showers likely. waves building to 3 to 6 feet occasionally to
8 feet. 

$$

fzus63 kmqt 242001
glfls 
expires:202609250800;;994110

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 30.4 inch high centered over quebec will weaken to 30.3 inches 
over the 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. by tuesday evening the trough will 
move over lake superior at 29.7 inches.




lsz266-250800-
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 thu sep 24 2026

.late this afternoon...southeast winds 10 to 20 knots. 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 northeast late.
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...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.sunday night...southeast winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.monday...south winds 5 to 15 knots increasing to 10 to 20 knots.
waves calm to 2 feet. 
.tuesday...south winds 20 to 30 knots increasing to gales to
35 knots. a chance of showers, then showers likely. waves
building to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 242001
glfls 
expires:202609250800;;994111

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 30.4 inch high centered over quebec will weaken to 30.3 inches 
over the 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. by tuesday evening the trough will 
move over lake superior at 29.7 inches.




lsz267-250800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt thu sep 24 2026

.late this afternoon...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 veering southwest in the
afternoon, then veering north late. waves calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight, then increasing to 5 to 15 knots
late. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots backing northeast by mid
afternoon. waves calm to 2 feet. 
.saturday night...east winds 5 to 15 knots veering southeast
after midnight. waves calm to 2 feet. 
.sunday...southeast winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots becoming southwest less
than 10 knots after midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.tuesday...south winds 10 to 20 knots increasing to 15 to
25 knots. showers likely. waves building to 3 to 5 feet
occasionally to 7 feet. 

$$

fzus63 kmqt 242001
glfls 
expires:202609250800;;994108

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 30.4 inch high centered over quebec will weaken to 30.3 inches 
over the 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. by tuesday evening the trough will 
move over lake superior at 29.7 inches.




lsz264-250800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt thu sep 24 2026

.late this afternoon...southeast winds 5 to 15 knots. 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. waves calm to
2 feet. 
.friday night...southeast winds 5 to 15 knots diminishing to less
than 10 knots late. 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 veering southwest by mid
afternoon. waves calm to 2 feet. 
.sunday night...south winds less than 10 knots veering southwest
after midnight. waves calm to 2 feet. 
.monday...south winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...south winds 15 to 25 knots becoming southeast 20 to
30 knots. a chance of showers, then showers likely. waves
building to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 242001
glfls 
expires:202609250800;;994107

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 30.4 inch high centered over quebec will weaken to 30.3 inches 
over the 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. by tuesday evening the trough will 
move over lake superior at 29.7 inches.




lsz263-250800-
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 thu sep 24 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southeast winds 5 to 15 knots veering southwest late.
a slight chance of showers through midnight. waves calm to
2 feet. 
.friday...southwest winds 5 to 15 knots diminishing to 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 becoming southeast less
than 10 knots late. 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 by mid
afternoon. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots becoming southwest less
than 10 knots after midnight. waves calm to 2 feet. 
.monday...south winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...south winds 10 to 20 knots becoming northwest 15 to
25 knots. showers likely. waves building to 2 to 4 feet. 

$$

fzus63 kmqt 242001
glfls 
expires:202609250800;;994106

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 30.4 inch high centered over quebec will weaken to 30.3 inches 
over the 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. by tuesday evening the trough will 
move over lake superior at 29.7 inches.




lsz162-250800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt thu sep 24 2026 /301 pm cdt thu sep 24 2026/

.late this afternoon...east winds 5 to 15 knots. a slight chance
of showers. waves calm to 2 feet. 
.tonight...northeast winds 5 to 15 knots diminishing to less than
10 knots after midnight, then veering south late. a slight chance
of showers. waves calm to 2 feet. 
.friday...southwest winds less than 10 knots veering north in the
afternoon, then becoming east 5 to 15 knots late. waves calm to
2 feet. 
.friday night...east winds 5 to 15 knots backing northeast after
midnight, then veering east late. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. waves calm to 2 feet. 
.saturday night...east winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...south winds less than 10 knots. waves calm to
2 feet. 
.monday...east winds 5 to 15 knots veering south. a chance of
showers. waves calm to 2 feet. 
.tuesday...south winds 10 to 20 knots becoming northwest 15 to
25 knots. showers likely. waves building to 1 to 3 feet. 

$$