fzus63 kdtx 301941
glflh 
expires:202507010400;;656256

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt mon jun 30 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...a cold front is moving across the great lakes this
afternoon with scattered showers and thunderstorms through the
evening. westerly winds up to 15 to 20 knots to follow for
tuesday as high pressure builds across the midwest. the next weak
cold front passes through late wednesday into thursday.


lhz361-010400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
341 pm edt mon jun 30 2025

.tonight...light and variable winds becoming west 5 to 10 knots
after midnight. waves 2 feet or less. 
.tuesday...west winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. waves 2 feet or less. 
.tuesday night...west winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...west winds 5 to 10 knots. waves 2 feet or
less. 
.thursday...northwest winds 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.friday...light and variable winds becoming southeast 5 to
10 knots. a chance of. waves 2 feet or less. 
.saturday...south winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and early morning. a chance of
showers early in the morning...then showers likely. waves 1 to
3 feet building to 2 to 4 feet. 


$$

fzus63 kdtx 301941
glflh 
expires:202507010400;;656257

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt mon jun 30 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...a cold front is moving across the great lakes this
afternoon with scattered showers and thunderstorms through the
evening. westerly winds up to 15 to 20 knots to follow for
tuesday as high pressure builds across the midwest. the next weak
cold front passes through late wednesday into thursday.


lhz362-363-010400-
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-
341 pm edt mon jun 30 2025

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


$$

fzus63 kdtx 301941
glflh 
expires:202507010400;;656258

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt mon jun 30 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...a cold front is moving across the great lakes this
afternoon with scattered showers and thunderstorms through the
evening. westerly winds up to 15 to 20 knots to follow for
tuesday as high pressure builds across the midwest. the next weak
cold front passes through late wednesday into thursday.


lhz462>464-010400-
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-
341 pm edt mon jun 30 2025

.tonight...south winds 5 to 10 knots veering to the west after
midnight. a chance of showers and thunderstorms in the evening.
waves 2 feet or less. 
.tuesday...west winds 5 to 10 knots. waves 2 feet or less. 
.tuesday night...north winds 5 to 10 knots backing to the west
after midnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots. waves 2 feet or less.
.wednesday night...southwest winds 5 to 10 knots veering to the
west after midnight. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots veering to the
northeast late in the afternoon...then becoming light and
variable late in the evening. waves 2 feet or less. 
.friday...light and variable winds becoming southeast 5 to
10 knots until early evening...then becoming south 10 to 15 knots
in the late evening and early morning. waves 2 feet or less. 
.saturday...south winds 10 to 15 knots. a chance of showers and
thunderstorms until early morning. waves 1 to 3 feet building to
2 to 4 feet until early morning. 


$$

fzus63 kmkx 301942
glflm 
expires:202507010315;;656296

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
242 pm cdt mon jun 30 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... 

winds will become westerly and northwesterly tonight into tuesday
morning behind a cold front. winds will turn back to the 
southwest later wednesday and thursday, as weak high pressure of 
30.0 inches moves through the ohio valley.


lmz261-362-364-366-563-565-567-868-010315-
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-
242 pm cdt mon jun 30 2025

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 15 kt becoming west. slight
chance of showers and thunderstorms this evening. waves 1 to
2 ft. 
.tuesday...west winds 10 to 15 kt becoming southwest. waves 1 to
2 ft. 
.tuesday night...southwest winds 10 to 15 kt. waves 1 to 2 ft. 
.wednesday...southwest winds 10 to 20 kt. waves 1 to 2 ft. 
.wednesday night...west winds 10 to 20 kt diminishing to 5 to
10 kt overnight. waves 1 to 2 ft. 
.thursday...northwest winds 5 to 10 kt veering to east 10 to
15 kt. waves 1 to 2 ft. 
.thursday night...east winds 5 to 10 kt becoming southeast. waves
1 ft or less. 
.friday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.saturday...south winds 15 to 25 kt. chance of showers and
thunderstorms. waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 301942
glflm 
expires:202507010315;;656297

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
242 pm cdt mon jun 30 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... 

winds will become westerly and northwesterly tonight into tuesday
morning behind a cold front. winds will turn back to the 
southwest later wednesday and thursday, as weak high pressure of 
30.0 inches moves through the ohio valley.


lmz080-669-671-673-675-777-779-870-872-874-876-878-010315-
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-
242 pm cdt mon jun 30 2025

sheboygan wi to pentwater mi south...

.tonight...southwest winds 10 to 15 kt becoming northwest. slight
chance of showers and thunderstorms this evening. waves 1 to
2 ft. 
.tuesday...northwest winds 10 to 15 kt becoming west late. waves
1 to 3 ft. 
.tuesday night...southwest winds 5 to 10 kt becoming west. waves
1 to 2 ft. 
.wednesday...west winds 10 to 15 kt becoming southwest. waves
1 to 2 ft. 
.wednesday night...southwest winds 10 to 15 kt becoming west 5 to
10 kt. waves 1 to 2 ft. 
.thursday...northwest winds 5 to 10 kt backing to south 10 to
15 kt. waves 1 to 2 ft. 
.thursday night...southeast winds 5 to 10 kt becoming south.
waves 1 to 2 ft. 
.friday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.saturday...south winds 15 to 25 kt. chance of showers. waves
4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmqt 302002
glfls 
expires:202507010800;;657399

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon jun 30 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...

a 29.8 inch trough remains over lake superior through tuesday night 
as the lake becomes sandwiched between a 30.0 inch high descending 
southeast over the plains and a low over quebec deepening from 29.6 
to 29.4 inches. 30.0 inch ridging then passes southeast over the 
upper great lakes thursday into friday. then, low pressure emerging 
from the northern rockies into central canada brings a 29.6 inch 
trough moves through lake superior saturday into sunday.



lsz162-010800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt mon jun 30 2025 /301 pm cdt mon jun 30 2025/

.late this afternoon...west winds 15 to 25 knots. isolated
showers and thunderstorms. waves calm to 2 feet. 
.tonight...west winds 10 to 20 knots. waves calm to 2 feet. 
.tuesday...west winds 10 to 20 knots backing southwest in the
afternoon. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.tuesday night...southwest winds 10 to 20 knots veering west
after midnight. waves subsiding to calm to 2 feet. 
.wednesday...west winds 10 to 20 knots. a slight chance of
showers. a slight chance of thunderstorms by mid afternoon. waves
calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots veering northeast
after midnight. waves calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.thursday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a chance of showers and
thunderstorms. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots becoming south 10 to 20 knots.
a chance of showers. a chance of thunderstorms. showers. waves
calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots veering west. showers
likely. a chance of thunderstorms. a chance of showers. waves
calm to 2 feet. 

$$

fzus63 kmqt 302002
glfls 
expires:202507010800;;657400

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon jun 30 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...

a 29.8 inch trough remains over lake superior through tuesday night 
as the lake becomes sandwiched between a 30.0 inch high descending 
southeast over the plains and a low over quebec deepening from 29.6 
to 29.4 inches. 30.0 inch ridging then passes southeast over the 
upper great lakes thursday into friday. then, low pressure emerging 
from the northern rockies into central canada brings a 29.6 inch 
trough moves through lake superior saturday into sunday.



lsz263-010800-
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 mon jun 30 2025

.late this afternoon...southwest winds 10 to 20 knots. isolated
showers and thunderstorms. waves calm to 2 feet. 
.tonight...west winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight. waves building to 1 to 3 feet. 
.tuesday...west winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. a slight chance of showers by mid
afternoon. waves subsiding to calm to 2 feet, then building to
2 to 4 feet. 
.tuesday night...west winds 10 to 20 knots diminishing to 5 to
15 knots late. waves subsiding to calm to 2 feet. 
.wednesday...west winds 5 to 15 knots. a slight chance of
showers. waves calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots becoming northeast
less than 10 knots after midnight. waves calm to 2 feet. 
.thursday...east winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...east winds 5 to 15 knots veering south after
midnight. a chance of showers after midnight. waves calm to
2 feet. 
.friday...southeast winds 5 to 15 knots becoming south 10 to
20 knots. a chance of showers. a chance of thunderstorms. showers
likely. waves building to 1 to 3 feet. 
.saturday...southwest winds 10 to 20 knots becoming west 5 to
15 knots. showers likely. a chance of thunderstorms. a chance of
showers. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 302002
glfls 
expires:202507010800;;657401

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon jun 30 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...

a 29.8 inch trough remains over lake superior through tuesday night 
as the lake becomes sandwiched between a 30.0 inch high descending 
southeast over the plains and a low over quebec deepening from 29.6 
to 29.4 inches. 30.0 inch ridging then passes southeast over the 
upper great lakes thursday into friday. then, low pressure emerging 
from the northern rockies into central canada brings a 29.6 inch 
trough moves through lake superior saturday into sunday.



lsz264-010800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt mon jun 30 2025

.late this afternoon...southwest winds 10 to 20 knots. waves calm
to 2 feet. 
.tonight...southwest winds 5 to 15 knots veering west after
midnight. waves building to 1 to 3 feet. 
.tuesday...west winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. a slight chance of showers and
thunderstorms by mid afternoon. waves building to 2 to 4 feet. 
.tuesday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to 1 to 3 feet. 
.wednesday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.wednesday night...west winds 5 to 15 knots becoming north less
than 10 knots after midnight. waves calm to 2 feet. 
.thursday...east winds 5 to 15 knots veering southeast by mid
afternoon. waves calm to 2 feet. 
.thursday night...southeast winds 5 to 15 knots. waves calm to
2 feet. 
.friday...southeast winds 5 to 15 knots becoming south 10 to
20 knots. a chance of showers. a chance of thunderstorms. showers
likely. waves building to 1 to 3 feet. 
.saturday...southwest winds 10 to 20 knots becoming west 5 to
15 knots. showers likely, then a chance of showers. waves 1 to
3 feet. 

$$

fzus63 kmqt 302002
glfls 
expires:202507010800;;657402

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon jun 30 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...

a 29.8 inch trough remains over lake superior through tuesday night 
as the lake becomes sandwiched between a 30.0 inch high descending 
southeast over the plains and a low over quebec deepening from 29.6 
to 29.4 inches. 30.0 inch ridging then passes southeast over the 
upper great lakes thursday into friday. then, low pressure emerging 
from the northern rockies into central canada brings a 29.6 inch 
trough moves through lake superior saturday into sunday.



lsz265-010800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt mon jun 30 2025

.late this afternoon...southwest winds 5 to 15 knots. isolated
showers and thunderstorms. waves calm to 2 feet. 
.tonight...southwest winds 10 to 20 knots veering west after
midnight. isolated showers through midnight. waves building to
1 to 3 feet, then subsiding to calm to 2 feet. 
.tuesday...west winds 10 to 20 knots. waves calm to 2 feet. 
.tuesday night...west winds 10 to 20 knots. waves calm to 2 feet.
.wednesday...west winds 10 to 20 knots. a slight chance of
showers and thunderstorms by mid afternoon. waves calm to 2 feet.
.wednesday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.thursday...east winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. waves calm to 2 feet. 
.thursday night...southeast winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves calm to 2 feet. 
.friday...southeast winds 10 to 20 knots veering south. a chance
of showers and thunderstorms. waves calm to 2 feet. 
.saturday...southwest winds 15 to 25 knots becoming west 10 to
20 knots. showers likely and a chance of thunderstorms, then a
chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 302002
glfls 
expires:202507010800;;657403

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon jun 30 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...

a 29.8 inch trough remains over lake superior through tuesday night 
as the lake becomes sandwiched between a 30.0 inch high descending 
southeast over the plains and a low over quebec deepening from 29.6 
to 29.4 inches. 30.0 inch ridging then passes southeast over the 
upper great lakes thursday into friday. then, low pressure emerging 
from the northern rockies into central canada brings a 29.6 inch 
trough moves through lake superior saturday into sunday.



lsz266-010800-
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 mon jun 30 2025

.late this afternoon...south winds 5 to 15 knots. isolated
showers and thunderstorms. waves calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots becoming west 10 to
20 knots after midnight. isolated showers through midnight. waves
building to 1 to 3 feet. 
.tuesday...west winds 10 to 20 knots. waves building to 2 to
4 feet. 
.tuesday night...west winds 10 to 20 knots. waves subsiding to
1 to 3 feet. 
.wednesday...west winds 10 to 20 knots. a slight chance of
showers and thunderstorms by mid afternoon. waves subsiding to
calm to 2 feet, then building to 1 to 3 feet. 
.wednesday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.thursday night...southeast winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves calm to 2 feet. 
.friday...south winds 10 to 20 knots increasing to 15 to
25 knots. a chance of showers. waves building to 2 to 4 feet. 
.saturday...southwest winds 15 to 25 knots becoming west 10 to
20 knots. showers likely, then a chance of showers. waves
subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 302002
glfls 
expires:202507010800;;657404

open lake forecast for lake superior
national weather service marquette mi
401 pm edt mon jun 30 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...

a 29.8 inch trough remains over lake superior through tuesday night 
as the lake becomes sandwiched between a 30.0 inch high descending 
southeast over the plains and a low over quebec deepening from 29.6 
to 29.4 inches. 30.0 inch ridging then passes southeast over the 
upper great lakes thursday into friday. then, low pressure emerging 
from the northern rockies into central canada brings a 29.6 inch 
trough moves through lake superior saturday into sunday.



lsz267-010800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt mon jun 30 2025

.late this afternoon...southeast winds 5 to 15 knots. patchy fog.
waves calm to 2 feet. 
.tonight...south winds 5 to 15 knots veering west late. patchy
fog through midnight. isolated showers. waves calm to 2 feet. 
.tuesday...west winds 10 to 20 knots diminishing to 5 to 15 knots
late. waves building to 1 to 3 feet. 
.tuesday night...southwest winds 5 to 15 knots. waves subsiding
to calm to 2 feet. 
.wednesday...west winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a slight chance of showers by mid
afternoon. waves calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots veering north
after midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots backing northwest by mid
afternoon. waves calm to 2 feet. 
.thursday night...east winds 5 to 15 knots veering southeast
after midnight. waves calm to 2 feet. 
.friday...southeast winds 10 to 20 knots becoming south 15 to
25 knots. a chance of showers. waves building to 2 to 4 feet. 
.saturday...south winds 10 to 20 knots veering west. showers
likely. waves subsiding to 1 to 3 feet. 

$$