fzus63 kdtx 091945
glflh 
expires:202607100400;;692328

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt thu jul 9 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 weak low pressure system, 29.80 inches, and trailing
cold front will trek through the great lakes region today,
bringing scattered rain showers and isolated thunderstorms. a
high pressure system, 30.20 inches, is then expected to develop
over the region and persist throughout the weekend.


lhz361-100400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
345 pm edt thu jul 9 2026

.tonight...light and variable winds becoming northwest 5 to
10 knots after midnight. waves 2 feet or less. 
.friday...north winds 5 to 10 knots in the morning becoming light
and variable. waves 2 feet or less. 
.friday night...light and variable winds. waves 2 feet or less. 
.saturday...light and variable winds becoming east 5 to 10 knots
early in the afternoon. waves 2 feet or less. 
.saturday night...light and variable winds becoming south 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.sunday...south winds 5 to 10 knots backing to the east late in
the afternoon...then veering to the southwest late in the
evening. waves 2 feet or less. 
.monday...southwest winds 10 to 15 knots. waves 1 to 3 feet
building to 3 to 5 feet by midnight. 
.tuesday...west winds 15 to 20 knots decreasing to 10 to 15 knots
by midnight. waves 3 to 5 feet. 


$$

fzus63 kdtx 091945
glflh 
expires:202607100400;;692329

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt thu jul 9 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 weak low pressure system, 29.80 inches, and trailing
cold front will trek through the great lakes region today,
bringing scattered rain showers and isolated thunderstorms. a
high pressure system, 30.20 inches, is then expected to develop
over the region and persist throughout the weekend.


lhz362-363-100400-
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-
345 pm edt thu jul 9 2026

.tonight...light and variable winds. 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 2 feet or less.
.sunday...light and variable winds becoming southeast 5 to
10 knots. waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots. waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots. waves 2 to 4 feet. 


$$

fzus63 kdtx 091945
glflh 
expires:202607100400;;692330

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt thu jul 9 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 weak low pressure system, 29.80 inches, and trailing
cold front will trek through the great lakes region today,
bringing scattered rain showers and isolated thunderstorms. a
high pressure system, 30.20 inches, is then expected to develop
over the region and persist throughout the weekend.


lhz462>464-100400-
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-
345 pm edt thu jul 9 2026

.tonight...light and variable winds becoming north 5 to 10 knots
early in the morning. numerous thunderstorms and scattered
showers in the evening. waves 2 feet or less. 
.friday...north winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon. waves 2 feet or less. 
.friday night...north winds 10 to 15 knots becoming northeast
5 to 10 knots in the late evening and overnight. waves 1 to
3 feet. 
.saturday...north winds 5 to 10 knots. waves 2 feet or less. 
.saturday night...northeast winds 5 to 10 knots  becoming light
and variable. waves 1 to 3 feet. 
.sunday...light and variable winds becoming southeast 5 to
10 knots late in the evening. waves 2 feet or less. 
.monday...south winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots becoming west 10 to
15 knots . waves 1 to 3 feet building to 2 to 4 feet . 


$$

fzus63 kmkx 091926
glflm 
expires:202607100315;;691882

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
226 pm cdt thu jul 9 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...

light to modest north winds over the northern and central portions
of the lake will slowly move south into the southern portion of
the lake into the early evening. light to modest southwest winds
over the southern portion of the lake will shift northerly during
this time. some fog may develop into tonight with patchy dense 
fog possible. winds will remain north to northeast on friday, as 
high pressure around 30.0 inches builds into the the region from 
the north. the high should shift southeast over the weekend, which
should continue to bring light to modest winds.


lmz080-669-671-673-675-777-779-870-872-874-876-878-100315-
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-
226 pm cdt thu jul 9 2026

sheboygan wi to pentwater mi south...

.tonight...north winds 10 to 15 kt diminishing to 5 to 10 kt.
scattered showers with isolated thunderstorms this evening, then
scattered showers overnight. patchy fog overnight. waves 1 to
2 ft. 
.friday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.friday night...north winds 10 to 20 kt becoming northeast 10 to
15 kt after midnight, then diminishing to 5 to 10 kt late. waves
2 to 4 ft subsiding to 1 to 3 ft. 
.saturday...northeast winds 5 to 10 kt becoming north 10 to 20 kt
in the afternoon. waves 1 to 2 ft. 
.saturday night...northeast winds 10 to 15 kt becoming east 5 to
10 kt. waves 1 to 2 ft. 
.sunday...east winds 5 to 10 kt becoming northeast. waves 1 ft or
less. 
.sunday night...northeast winds 5 to 10 kt veering to south.
waves 1 ft or less. 
.monday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.tuesday...west winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 3 ft.  

$$

fzus63 kmkx 091926
glflm 
expires:202607100315;;691881

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
226 pm cdt thu jul 9 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...

light to modest north winds over the northern and central portions
of the lake will slowly move south into the southern portion of
the lake into the early evening. light to modest southwest winds
over the southern portion of the lake will shift northerly during
this time. some fog may develop into tonight with patchy dense 
fog possible. winds will remain north to northeast on friday, as 
high pressure around 30.0 inches builds into the the region from 
the north. the high should shift southeast over the weekend, which
should continue to bring light to modest winds.


lmz261-362-364-366-563-565-567-868-100315-
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-
226 pm cdt thu jul 9 2026

sheboygan wi to pentwater mi north...

.tonight...north winds 10 to 15 kt diminishing to 5 to 10 kt.
waves 1 to 2 ft. 
.friday...north winds 5 to 10 kt increasing to 10 to 20 kt. waves
1 to 3 ft. 
.friday night...north winds 10 to 20 kt becoming northeast 10 to
15 kt late in the evening, then diminishing to 5 to 10 kt after
midnight becoming northeast 5 to 10 kt late. waves 1 to 3 ft
subsiding to 1 to 2 ft. 
.saturday...east winds 5 to 10 kt becoming northeast 10 to 20 kt
in the afternoon. waves 1 ft or less. 
.saturday night...east winds 10 to 15 kt veering to south 5 to
10 kt. waves 1 ft or less. 
.sunday...south winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 2 ft. 
.sunday night...southwest winds 10 to 20 kt. waves 1 to 2 ft. 
.monday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft. 
.tuesday...southwest winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft.  

$$

fzus63 kmqt 092001
glfls 
expires:202607100800;;692714

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu jul 9 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 high pressure of 30.0 inches extends over lake superior from 
hudson bay and northern ontario tonight into friday. high pressure 
builds to 30.1 to 30.2 inches over the lake this weekend as the high 
shifts south to the lower great lakes through sunday. a strong low 
of around 29.3 inches looks to cross into hudson bay early next week.




lsz266-100800-
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 jul 9 2026

...dense fog advisory in effect until 8 am edt friday...

.late this afternoon...northwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...northwest winds 5 to 15 knots veering north late.
patchy fog through midnight. areas of dense fog after midnight.
waves calm to 2 feet. 
.friday...northeast winds 5 to 15 knots veering southeast in the
afternoon. areas of dense fog through early afternoon. waves calm
to 2 feet. 
.friday night...southeast winds 5 to 15 knots. a slight chance of
showers after midnight. 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 becoming south
10 to 20 knots after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...south winds 10 to 20 knots becoming southwest
15 to 25 knots after midnight. waves building to 2 to 4 feet. 
.monday...southwest winds 10 to 20 knots increasing to 20 to
30 knots. waves building to 4 to 7 feet occasionally to 9 feet. 
.tuesday...west winds 15 to 25 knots becoming northwest 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 092001
glfls 
expires:202607100800;;692715

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu jul 9 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 high pressure of 30.0 inches extends over lake superior from 
hudson bay and northern ontario tonight into friday. high pressure 
builds to 30.1 to 30.2 inches over the lake this weekend as the high 
shifts south to the lower great lakes through sunday. a strong low 
of around 29.3 inches looks to cross into hudson bay early next week.




lsz267-100800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt thu jul 9 2026

...dense fog advisory in effect until 8 am edt friday...

.late this afternoon...northwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...northwest winds 5 to 15 knots. patchy fog through
midnight, then areas of dense fog after midnight. waves calm to
2 feet. 
.friday...north winds 5 to 15 knots backing northwest in the
afternoon. areas of dense fog through early afternoon. waves calm
to 2 feet. 
.friday night...north winds 5 to 15 knots veering south after
midnight, then backing southeast 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 becoming south
10 to 20 knots after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots backing southeast by mid
afternoon. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. waves building to 1 to 3 feet. 
.monday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. waves subsiding to calm to 2 feet, then building to
2 to 4 feet. 
.tuesday...west winds 10 to 20 knots becoming northwest 5 to
15 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 092001
glfls 
expires:202607100800;;692710

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu jul 9 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 high pressure of 30.0 inches extends over lake superior from 
hudson bay and northern ontario tonight into friday. high pressure 
builds to 30.1 to 30.2 inches over the lake this weekend as the high 
shifts south to the lower great lakes through sunday. a strong low 
of around 29.3 inches looks to cross into hudson bay early next week.




lsz162-100800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt thu jul 9 2026 /301 pm cdt thu jul 9 2026/

.late this afternoon...north winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...north winds less than 10 knots. patchy fog. waves calm
to 2 feet. 
.friday...north winds less than 10 knots becoming northeast 5 to
15 knots in the afternoon, then veering east late. waves calm to
2 feet. 
.friday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight, then backing north late. a slight
chance of showers and thunderstorms after midnight. waves calm to
2 feet. 
.saturday...south winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.saturday night...east winds less than 10 knots becoming
southwest 5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots. waves building to
1 to 3 feet. 
.monday...southwest winds 20 to 30 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.tuesday...southwest winds 15 to 25 knots becoming north 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 092001
glfls 
expires:202607100800;;692711

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu jul 9 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 high pressure of 30.0 inches extends over lake superior from 
hudson bay and northern ontario tonight into friday. high pressure 
builds to 30.1 to 30.2 inches over the lake this weekend as the high 
shifts south to the lower great lakes through sunday. a strong low 
of around 29.3 inches looks to cross into hudson bay early next week.




lsz263-100800-
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 jul 9 2026

.late this afternoon...northeast winds less than 10 knots. waves
calm to 2 feet. 
.tonight...north winds less than 10 knots backing west after
midnight, then backing east late. patchy fog after midnight.
waves calm to 2 feet. 
.friday...east winds less than 10 knots backing northeast in the
afternoon, then veering east late. patchy dense fog through early
afternoon. waves calm to 2 feet. 
.friday night...east winds 5 to 15 knots veering southeast after
midnight, then backing east late. a slight chance of showers and
thunderstorms after midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing southeast by
mid afternoon. waves calm to 2 feet. 
.saturday night...southeast winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves building to 1 to 3 feet. 
.sunday night...southwest winds 15 to 25 knots. waves building to
2 to 4 feet. 
.monday...southwest winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tuesday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 092001
glfls 
expires:202607100800;;692712

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu jul 9 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 high pressure of 30.0 inches extends over lake superior from 
hudson bay and northern ontario tonight into friday. high pressure 
builds to 30.1 to 30.2 inches over the lake this weekend as the high 
shifts south to the lower great lakes through sunday. a strong low 
of around 29.3 inches looks to cross into hudson bay early next week.




lsz264-100800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt thu jul 9 2026

.late this afternoon...west winds less than 10 knots. waves calm
to 2 feet. 
.tonight...west winds less than 10 knots veering northwest after
midnight, then veering northeast late. patchy fog after midnight.
waves calm to 2 feet. 
.friday...east winds less than 10 knots veering southeast in the
afternoon, then increasing to 5 to 15 knots late. patchy fog
through early afternoon. waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots. a chance of
showers. a slight chance of thunderstorms after midnight. waves
calm to 2 feet. 
.saturday...southeast winds less than 10 knots. waves calm to
2 feet. 
.saturday night...southeast winds less than 10 knots becoming
southwest 5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 2 to 4 feet. 
.monday...southwest winds 15 to 25 knots becoming west 20 to
30 knots. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.tuesday...west winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 092001
glfls 
expires:202607100800;;692713

open lake forecast for lake superior
national weather service marquette mi
401 pm edt thu jul 9 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 high pressure of 30.0 inches extends over lake superior from 
hudson bay and northern ontario tonight into friday. high pressure 
builds to 30.1 to 30.2 inches over the lake this weekend as the high 
shifts south to the lower great lakes through sunday. a strong low 
of around 29.3 inches looks to cross into hudson bay early next week.




lsz265-100800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt thu jul 9 2026

...dense fog advisory in effect until 8 am edt friday...

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...west winds 5 to 15 knots veering north late. patchy
fog after midnight. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots veering southeast late. waves
calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots increasing to 10 to
20 knots after midnight. a slight chance of showers and
thunderstorms 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 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.sunday...southwest winds 10 to 20 knots backing southeast by mid
afternoon. waves calm to 2 feet. 
.sunday night...south winds 10 to 20 knots becoming southwest
15 to 25 knots after midnight. waves building to 1 to 3 feet. 
.monday...southwest winds 10 to 20 knots increasing to 20 to
30 knots. waves subsiding to calm to 2 feet, then building to
3 to 5 feet occasionally to 7 feet. 
.tuesday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$