fzus63 kmkx 081907
glflm 
expires:202607090315;;635467

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
207 pm cdt wed jul 8 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...

high pressure around 30.1 inches will remain over the ohio valley
today and tonight. modest south winds will continue this afternoon,
as weak low pressure around 29.8 inches and an accompanying cold 
front approaches from upper michigan and northwest wisconsin. 
light to modest southerly winds tonight will become north behind 
the frontal passage thursday into thursday night. winds will 
become north to northeast on friday, as high pressure around 30.1 
inches builds into the the region. the high should continue to 
bring light to modest winds for the weekend.


lmz563-565-567-090315-
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-
207 pm cdt wed jul 8 2026

rock island passage to charlevoix mi south to sheboygan wi to
pentwater mi...

...severe thunderstorm watch 471 in effect until 10 pm cdt this
evening...

.tonight...south winds 10 to 15 kt becoming southwest 5 to 10 kt.
patchy fog. numerous showers and scattered thunderstorms this
evening, then showers likely with slight chance of thunderstorms
overnight. waves 1 to 3 ft. 
.thursday...northwest winds 10 to 15 kt veering to northeast 5 to
10 kt. patchy fog in the morning. chance of showers and slight
chance of thunderstorms in the morning, then slight chance of
showers in the afternoon. waves 1 to 2 ft. 
.thursday night...north winds 5 to 10 kt. waves 1 to 2 ft. 
.friday...northeast winds 10 to 15 kt. waves 1 to 2 ft. 
.friday night...northeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.saturday...east winds 5 to 10 kt becoming northeast. waves 1 ft
or less. 
.saturday night...east winds 5 to 10 kt veering to south. waves
nearly calm. 
.sunday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
waves 1 to 2 ft. 
.monday...southwest winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 081907
glflm 
expires:202607090315;;635469

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
207 pm cdt wed jul 8 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...

high pressure around 30.1 inches will remain over the ohio valley
today and tonight. modest south winds will continue this afternoon,
as weak low pressure around 29.8 inches and an accompanying cold 
front approaches from upper michigan and northwest wisconsin. 
light to modest southerly winds tonight will become north behind 
the frontal passage thursday into thursday night. winds will 
become north to northeast on friday, as high pressure around 30.1 
inches builds into the the region. the high should continue to 
bring light to modest winds for the weekend.


lmz669-090315-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
207 pm cdt wed jul 8 2026

sheboygan wi to pentwater mi south to port washington wi to
whitehall mi...

...severe thunderstorm watch 471 in effect until 10 pm cdt this
evening...

.tonight...south winds 10 to 20 kt becoming southwest 5 to 10 kt.
numerous showers and scattered thunderstorms this evening, then
showers likely with a chance of thunderstorms overnight. patchy
fog overnight. waves 1 to 2 ft. 
.thursday...southwest winds 5 to 10 kt veering to northeast.
chance of showers and thunderstorms in the morning, then slight
chance of showers and thunderstorms in the afternoon. waves 1 to
2 ft. 
.thursday night...north winds 5 to 10 kt increasing to 10 to
15 kt. 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. waves 1 to 3 ft. 
.saturday...northeast winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday night...northeast winds 5 to 10 kt becoming east. waves
1 ft or less. 
.sunday...south winds 5 to 10 kt increasing to 10 to 15 kt. waves
1 ft or less. 
.monday...west winds 5 to 10 kt becoming south 10 to 15 kt. waves
1 to 2 ft.  

$$

fzus63 kmkx 081907
glflm 
expires:202607090315;;635466

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
207 pm cdt wed jul 8 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...

high pressure around 30.1 inches will remain over the ohio valley
today and tonight. modest south winds will continue this afternoon,
as weak low pressure around 29.8 inches and an accompanying cold 
front approaches from upper michigan and northwest wisconsin. 
light to modest southerly winds tonight will become north behind 
the frontal passage thursday into thursday night. winds will 
become north to northeast on friday, as high pressure around 30.1 
inches builds into the the region. the high should continue to 
bring light to modest winds for the weekend.


lmz261-362-364-366-868-090315-
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 pentwater to manistee mi 5 nm offshore to mid
lake-
207 pm cdt wed jul 8 2026

rock island passage to charlevoix mi north...

.tonight...southwest winds 10 to 20 kt diminishing to 10 to 15 kt
late this evening, then diminishing to 5 to 10 kt after midnight
backing to east late. patchy fog. numerous showers and scattered
thunderstorms this evening, then showers likely with scattered
thunderstorms overnight. waves 1 to 2 ft. 
.thursday...north winds 10 to 15 kt becoming northwest. patchy
fog in the morning. chance of showers in the morning. waves 1 to
2 ft. 
.thursday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.friday...north winds 10 to 15 kt increasing to 15 to 25 kt in
the afternoon. waves 1 to 3 ft. 
.friday night...northeast winds 10 to 20 kt becoming east 5 to
10 kt overnight. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.saturday...east winds 5 to 10 kt backing to north 10 to 20 kt in
the afternoon. waves 1 ft or less. 
.saturday night...east winds 10 to 20 kt veering to south 10 to
15 kt. waves 1 ft or less. 
.sunday...southwest winds 10 to 20 kt. waves 1 to 3 ft. 
.monday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft.  

$$

fzus63 kmkx 081907
glflm 
expires:202607090315;;635468

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
207 pm cdt wed jul 8 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...

high pressure around 30.1 inches will remain over the ohio valley
today and tonight. modest south winds will continue this afternoon,
as weak low pressure around 29.8 inches and an accompanying cold 
front approaches from upper michigan and northwest wisconsin. 
light to modest southerly winds tonight will become north behind 
the frontal passage thursday into thursday night. winds will 
become north to northeast on friday, as high pressure around 30.1 
inches builds into the the region. the high should continue to 
bring light to modest winds for the weekend.


lmz080-671-673-675-777-779-870-872-874-876-878-090315-
lake michigan from michigan city in to st. joseph mi 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-
207 pm cdt wed jul 8 2026

port washington wi to whitehall mi south...

.tonight...south winds 10 to 20 kt becoming southwest 10 to
15 kt. scattered showers and thunderstorms this evening, then
chance of showers and thunderstorms overnight. waves 1 to 2 ft.
.thursday...southwest winds 10 to 15 kt veering to north. chance
of showers and slight chance of thunderstorms. waves 1 to 2 ft. 
.thursday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.friday...north winds 10 to 15 kt increasing to 15 to 25 kt in
the afternoon. waves 2 to 4 ft. 
.friday night...north winds 15 to 25 kt becoming northeast 10 to
15 kt overnight. waves 2 to 4 ft. 
.saturday...east winds 10 to 15 kt becoming north 10 to 20 kt.
waves 1 to 2 ft. 
.saturday night...northeast winds 10 to 20 kt becoming east 5 to
10 kt. waves 1 to 2 ft. 
.sunday...southeast winds 5 to 10 kt becoming east. waves 1 ft or
less. 
.monday...west winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 081408
glflm 
expires:202607082115;;623177

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
908 am cdt wed jul 8 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...

high pressure around 30.1 inches will remain over the ohio valley
today and tonight. modest south winds will continue today, as 
weak low pressure around 29.8 inches and an accompanying cold 
front approaches from lake superior and minnesota. modest 
southwest winds tonight will become north behind the frontal 
passage thursday into thursday night. winds will become north to 
northeast on friday, as high pressure around 30.1 inches builds 
into the the region. the high should continue to bring light to 
modest winds for the weekend.


lmz261-362-364-366-563-565-567-868-082115-
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-
908 am cdt wed jul 8 2026

sheboygan wi to pentwater mi north...

.rest of today...southwest winds 10 to 15 kt increasing to 10 to
20 kt. scattered showers and slight chance of thunderstorms late
this morning, then chance of showers and thunderstorms this
afternoon. waves 1 to 3 ft. 
.tonight...southwest winds 10 to 20 kt diminishing to 10 to 15 kt
late in the evening, then veering to northwest 5 to 10 kt after
midnight becoming north late. patchy fog. showers likely with a
chance of thunderstorms. waves 1 to 3 ft. 
.thursday...north winds 10 to 15 kt increasing to 10 to 20 kt.
patchy fog in the morning. chance of showers in the morning.
waves 1 to 2 ft. 
.thursday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.friday...northeast winds 10 to 15 kt becoming north 15 to 25 kt
in the afternoon. waves 1 to 2 ft building to 1 to 3 ft. 
.friday night...northeast winds 10 to 20 kt becoming east 5 to
10 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.saturday...southeast winds 5 to 10 kt becoming southwest 10 to
15 kt. waves 1 ft or less. 
.sunday...southwest winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 081408
glflm 
expires:202607082115;;623178

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
908 am cdt wed jul 8 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...

high pressure around 30.1 inches will remain over the ohio valley
today and tonight. modest south winds will continue today, as 
weak low pressure around 29.8 inches and an accompanying cold 
front approaches from lake superior and minnesota. modest 
southwest winds tonight will become north behind the frontal 
passage thursday into thursday night. winds will become north to 
northeast on friday, as high pressure around 30.1 inches builds 
into the the region. the high should continue to bring light to 
modest winds for the weekend.


lmz080-669-671-673-675-777-779-870-872-874-876-878-082115-
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-
908 am cdt wed jul 8 2026

sheboygan wi to pentwater mi south...

.rest of today...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 3 ft. 
.tonight...south winds 10 to 20 kt becoming southwest 10 to
15 kt. chance of showers and thunderstorms in the evening, then
chance of showers and slight chance of thunderstorms overnight.
patchy fog overnight. waves 1 to 3 ft. 
.thursday...southwest winds 10 to 15 kt veering to north 10 to
20 kt. chance of showers. waves 1 to 2 ft. 
.thursday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. chance of showers in the evening. waves 1 to 2 ft. 
.friday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft building to 2 to 4 ft. 
.friday night...north winds 10 to 20 kt becoming northeast 10 to
15 kt. waves 2 to 4 ft. 
.saturday...east winds 5 to 10 kt becoming north 10 to 15 kt.
waves 1 to 2 ft. 
.sunday...southeast winds 10 to 15 kt veering to southwest 10 to
20 kt. waves 1 ft or less.  

$$