fzus63 kdtx 141938
glflh 
expires:202507150345;;440898

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 pm edt mon jul 14 2025

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...high pressure, 30.00 inches, holds over the great
lakes into tuesday. the next chance for showers and thunderstorms
returns wednesday and thursday as a pre-frontal trough and cold
front move over the region.


lhz361-150345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
338 pm edt mon jul 14 2025

.tonight...southwest winds 10 to 15 knots in the evening becoming
light and variable. haze in the evening. waves 2 feet or less. 
.tuesday...light and variable winds becoming southeast 5 to
10 knots. waves 2 feet or less. 
.tuesday night...east winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.wednesday...light and variable winds becoming north 5 to
10 knots early in the afternoon. a chance of showers in the
afternoon. waves 2 feet or less. 
.wednesday night...light and variable winds becoming northeast
5 to 10 knots in the late evening and overnight. a chance of
showers and thunderstorms in the evening...then showers likely
after midnight. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots increasing to 10 to
15 knots late in the morning...then decreasing to 5 to 10 knots
late in the afternoon. showers likely in the morning. a chance of
showers late in the morning. waves 2 feet or less. 
.friday...north winds 5 to 10 knots early in the morning becoming
light and variable. waves 2 feet or less. 
.saturday...light and variable winds becoming south 5 to 10 knots
in the late morning and early afternoon...then backing to the
east until early morning. a chance of showers in the late evening
and early morning. waves 2 feet or less. 


$$

fzus63 kdtx 141938
glflh 
expires:202507150345;;440899

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 pm edt mon jul 14 2025

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...high pressure, 30.00 inches, holds over the great
lakes into tuesday. the next chance for showers and thunderstorms
returns wednesday and thursday as a pre-frontal trough and cold
front move over the region.


lhz362-363-150345-
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-
338 pm edt mon jul 14 2025

.tonight...southeast winds 5 to 10 knots early in the evening 
becoming light and variable. haze in the evening. waves 2 feet or 
less. 
.tuesday...light and variable winds becoming south 5 to 10 knots
in the afternoon. waves 2 feet or less. 
.tuesday night...south winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 1 to 3 feet. 
.wednesday...south winds 5 to 10 knots backing to the southeast
early in the afternoon. waves 2 feet or less. 
.wednesday night...east winds 5 to 10 knots. a chance of showers
and thunderstorms. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots becoming west 10 to
15 knots. a chance of showers. a chance of thunderstorms late in
the morning. waves 1 to 3 feet. 
.friday...north winds 10 to 15 knots becoming light and variable.
waves 1 to 3 feet. 
.saturday...north winds 5 to 10 knots veering to the southeast. a
chance of showers in the late evening and early morning. waves
2 feet or less. 


$$

fzus63 kdtx 141938
glflh 
expires:202507150345;;440900

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 pm edt mon jul 14 2025

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...high pressure, 30.00 inches, holds over the great
lakes into tuesday. the next chance for showers and thunderstorms
returns wednesday and thursday as a pre-frontal trough and cold
front move over the region.


lhz462>464-150345-
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-
338 pm edt mon jul 14 2025

.tonight...southeast winds 5 to 10 knots until early morning
becoming light and variable. haze in the evening. waves 2 feet or
less. 
.tuesday...light and variable winds becoming southeast 5 to
10 knots in the afternoon. waves 2 feet or less. 
.tuesday night...south winds 5 to 10 knots. waves 2 feet or less.
.wednesday...south winds 5 to 10 knots. a chance of showers in
the afternoon. waves 2 feet or less. 
.wednesday night...south winds 5 to 10 knots. a chance of
showers. waves 2 feet or less. 
.thursday...southwest winds 5 to 10 knots becoming northwest
10 to 15 knots. a chance of showers in the morning...then showers
likely and a chance of thunderstorms late in the morning. waves
1 to 3 feet. 
.friday...north winds 10 to 15 knots decreasing to 5 to 10 knots.
waves 1 to 3 feet. 
.saturday...north winds 5 to 10 knots veering to the southeast
until early morning. a chance of showers in the late evening and
early morning. waves 2 feet or less. 


$$

fzus63 kmkx 141908
glflm 
expires:202507150330;;439870

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
208 pm cdt mon jul 14 2025

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 southerly winds will continue tonight into tuesday
night as high pressure over the northern ohio valley slides east 
to the mid atlantic states. a wave of low pressure around 29.8 
inches will then move east across central or southern wisconsin 
wednesday afternoon or evening and cross lake michigan into lower 
michigan wednesday night. numerous showers and storms will likely
occur with the passage of the low and its cold front. 

modest northerly winds will take hold after the passage of the low
and cold front wednesday night and continue into thursday and
possibly friday. 



lmz261-362-364-366-563-565-567-868-150330-
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-
208 pm cdt mon jul 14 2025

sheboygan wi to pentwater mi north...

.tonight...south winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 1 to 3 ft. 
.tuesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 2 to 4 ft. 
.tuesday night...south winds 10 to 20 kt becoming southwest 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.wednesday...west winds 10 to 15 kt veering to north 10 to 20 kt.
chance of showers in the morning, then chance of showers and
thunderstorms in the afternoon. waves 1 to 3 ft. 
.wednesday night...northeast winds 10 to 15 kt becoming north
10 to 20 kt. showers likely with a chance of thunderstorms in the
evening, then showers likely overnight. waves 1 to 3 ft. 
.thursday...north winds 10 to 20 kt. chance of showers. waves
2 to 4 ft. 
.thursday night...north winds 10 to 20 kt becoming northeast.
waves 2 to 4 ft. 
.friday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 1 to 3 ft. 
.saturday...south winds 10 to 15 kt becoming southwest. waves
1 to 2 ft.  

$$

fzus63 kmkx 141908
glflm 
expires:202507150330;;439871

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
208 pm cdt mon jul 14 2025

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 southerly winds will continue tonight into tuesday
night as high pressure over the northern ohio valley slides east 
to the mid atlantic states. a wave of low pressure around 29.8 
inches will then move east across central or southern wisconsin 
wednesday afternoon or evening and cross lake michigan into lower 
michigan wednesday night. numerous showers and storms will likely
occur with the passage of the low and its cold front. 

modest northerly winds will take hold after the passage of the low
and cold front wednesday night and continue into thursday and
possibly friday. 



lmz080-669-671-673-675-777-779-870-872-874-876-878-150330-
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-
208 pm cdt mon jul 14 2025

sheboygan wi to pentwater mi south...

.tonight...southeast winds 10 to 15 kt becoming south 5 to 10 kt.
waves 1 to 3 ft. 
.tuesday...south winds 5 to 10 kt becoming southeast 10 to 20 kt.
waves 1 to 3 ft. 
.tuesday night...southeast winds 10 to 15 kt becoming south 5 to
10 kt. waves 1 to 3 ft. 
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.wednesday night...southwest winds 10 to 15 kt veering to
northwest. chance of showers and thunderstorms in the evening,
then showers likely with a chance of thunderstorms overnight.
waves 1 to 3 ft. 
.thursday...northwest winds 10 to 20 kt becoming north. chance of
showers and thunderstorms. waves 2 to 4 ft. 
.thursday night...north winds 10 to 20 kt. waves 2 to 4 ft. 
.friday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 2 to 4 ft. 
.saturday...southeast winds 10 to 15 kt becoming south. chance of
showers. waves 1 to 2 ft.  

$$

fzus63 kmqt 141402
glfls 
expires:202507142000;;427989

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon jul 14 2025

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 29.9 inch troughing remains over the lake today. tonight 
through tuesday night, a 29.7 inch low over the high plains will 
pass a 29.9 inch trough over lake superior. wednesday through 
friday, a 30.1 inch high pressure will slowly move from the canadian 
prairie to lake superior, reaching the lower great lakes saturday. 
saturday evening, a 29.9 inch low pressure will move from the 
northern plains over the lake.



lsz162-142000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt mon jul 14 2025 /901 am cdt mon jul 14 2025/

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

$$

fzus63 kmqt 141402
glfls 
expires:202507142000;;427994

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon jul 14 2025

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 29.9 inch troughing remains over the lake today. tonight 
through tuesday night, a 29.7 inch low over the high plains will 
pass a 29.9 inch trough over lake superior. wednesday through 
friday, a 30.1 inch high pressure will slowly move from the canadian 
prairie to lake superior, reaching the lower great lakes saturday. 
saturday evening, a 29.9 inch low pressure will move from the 
northern plains over the lake.



lsz267-142000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 am edt mon jul 14 2025

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

$$

fzus63 kmqt 141402
glfls 
expires:202507142000;;427990

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon jul 14 2025

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 29.9 inch troughing remains over the lake today. tonight 
through tuesday night, a 29.7 inch low over the high plains will 
pass a 29.9 inch trough over lake superior. wednesday through 
friday, a 30.1 inch high pressure will slowly move from the canadian 
prairie to lake superior, reaching the lower great lakes saturday. 
saturday evening, a 29.9 inch low pressure will move from the 
northern plains over the lake.



lsz263-142000-
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 mon jul 14 2025

.rest of today...southwest winds 5 to 15 knots. haze by late
morning. areas of smoke. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots. haze and areas of smoke. a
chance of showers. a chance of thunderstorms after midnight.
waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering west in the
afternoon, then veering north late. showers and a chance of
thunderstorms. waves calm to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots increasing to
10 to 20 knots after midnight. showers and a chance of
thunderstorms. waves building to 1 to 3 feet. 
.wednesday...northeast winds 10 to 20 knots. showers likely and a
slight chance of thunderstorms through early afternoon, then a
chance of showers by mid afternoon. waves building to 2 to
4 feet. 
.wednesday night...northeast winds 5 to 15 knots. a chance of
showers. waves subsiding to calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots backing west. waves
calm to 2 feet. 
.friday...southwest winds 5 to 15 knots backing south. waves calm
to 2 feet. 

$$

fzus63 kmqt 141402
glfls 
expires:202507142000;;427991

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon jul 14 2025

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 29.9 inch troughing remains over the lake today. tonight 
through tuesday night, a 29.7 inch low over the high plains will 
pass a 29.9 inch trough over lake superior. wednesday through 
friday, a 30.1 inch high pressure will slowly move from the canadian 
prairie to lake superior, reaching the lower great lakes saturday. 
saturday evening, a 29.9 inch low pressure will move from the 
northern plains over the lake.



lsz264-142000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 am edt mon jul 14 2025

.rest of today...southwest winds 5 to 15 knots. areas of smoke.
waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots backing east after
midnight. areas of smoke. haze after midnight. a chance of
showers. a chance of thunderstorms after midnight. waves calm to
2 feet. 
.tuesday...south winds 5 to 15 knots veering west in the
afternoon, then veering northwest late. showers likely and a
chance of thunderstorms. waves calm to 2 feet. 
.tuesday night...north winds 5 to 15 knots becoming northeast
10 to 20 knots after midnight. a chance of thunderstorms through
midnight. showers likely. waves calm to 2 feet. 
.wednesday...northeast winds 10 to 20 knots. a slight chance of
thunderstorms through early afternoon. a chance of showers. waves
building to 1 to 3 feet. 
.wednesday night...northeast winds 5 to 15 knots backing north
after midnight. a chance of showers. waves subsiding to calm to
2 feet. 
.thursday...north winds 5 to 15 knots backing west. waves calm to
2 feet. 
.friday...southwest winds 5 to 15 knots backing south. waves calm
to 2 feet. 

$$

fzus63 kmqt 141402
glfls 
expires:202507142000;;427992

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon jul 14 2025

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 29.9 inch troughing remains over the lake today. tonight 
through tuesday night, a 29.7 inch low over the high plains will 
pass a 29.9 inch trough over lake superior. wednesday through 
friday, a 30.1 inch high pressure will slowly move from the canadian 
prairie to lake superior, reaching the lower great lakes saturday. 
saturday evening, a 29.9 inch low pressure will move from the 
northern plains over the lake.



lsz265-142000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 am edt mon jul 14 2025

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

$$

fzus63 kmqt 141402
glfls 
expires:202507142000;;427993

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon jul 14 2025

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 29.9 inch troughing remains over the lake today. tonight 
through tuesday night, a 29.7 inch low over the high plains will 
pass a 29.9 inch trough over lake superior. wednesday through 
friday, a 30.1 inch high pressure will slowly move from the canadian 
prairie to lake superior, reaching the lower great lakes saturday. 
saturday evening, a 29.9 inch low pressure will move from the 
northern plains over the lake.



lsz266-142000-
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 mon jul 14 2025

.rest of today...west winds 5 to 15 knots backing south late.
haze and areas of smoke. waves 1 to 3 feet subsiding to calm to
2 feet. 
.tonight...south winds 5 to 15 knots backing southeast after
midnight, then increasing to 10 to 20 knots late. haze and areas
of smoke. a chance of showers and a slight chance of
thunderstorms after midnight. waves calm to 2 feet. 
.tuesday...south winds 10 to 20 knots veering northwest late. a
chance of showers through early afternoon. a chance of
thunderstorms. showers likely by mid afternoon. waves calm to
2 feet. 
.tuesday night...north winds 10 to 20 knots. showers likely and a
chance of thunderstorms. waves calm to 2 feet. 
.wednesday...north winds 10 to 20 knots. showers likely and a
slight chance of thunderstorms. waves building to 1 to 3 feet. 
.wednesday night...north winds 10 to 20 knots. a chance of
showers. waves 1 to 3 feet. 
.thursday...north winds 10 to 20 knots becoming northwest 5 to
15 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.friday...west winds 5 to 15 knots backing south. waves calm to
2 feet. 

$$