fzus63 kmkx 221804
glflm 
expires:202610222115;;004721

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
104 pm cdt thu oct 22 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...

the fog has become a low cloud deck over the northern portions of
the lake early this afternoon. this area may become fog once 
again into this evening, with some dense fog possible. it may also
spread southward and linger into friday morning. fog may develop 
in southern portions of the lake as well tonight into friday 
morning, with patchy dense fog possible.

high pressure around 30.3 inches will gradually shift eastward 
through friday, while strengthening to around 30.5 inches over 
southern quebec. light winds will continue through today, 
increasing a bit out of the south on friday behind the 
strengthening high. southerly winds will then persist through the
weekend, between the high to the east and a cold front to the 
northwest. winds will shift to the north and northeast behind the
cold front on monday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-222115-
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-
104 pm cdt thu oct 22 2026

sheboygan wi to pentwater mi south...

.rest of today...northeast winds less than 10 kt. patchy fog.
waves nearly calm. 
.tonight...northeast winds less than 10 kt increasing to 5 to
10 kt late in the evening, then becoming east after midnight
becoming southeast late. patchy fog. waves 1 to 2 ft. 
.friday...southeast winds 10 to 15 kt. patchy fog in the morning.
waves 1 to 3 ft. 
.friday night...southeast winds 10 to 15 kt becoming south 10 to
20 kt. waves 2 to 4 ft. 
.saturday...south winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
.saturday night...south winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.sunday...south winds 10 to 20 kt. waves 2 to 4 ft. 
.monday...northeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 221804
glflm 
expires:202610222115;;004720

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
104 pm cdt thu oct 22 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...

the fog has become a low cloud deck over the northern portions of
the lake early this afternoon. this area may become fog once 
again into this evening, with some dense fog possible. it may also
spread southward and linger into friday morning. fog may develop 
in southern portions of the lake as well tonight into friday 
morning, with patchy dense fog possible.

high pressure around 30.3 inches will gradually shift eastward 
through friday, while strengthening to around 30.5 inches over 
southern quebec. light winds will continue through today, 
increasing a bit out of the south on friday behind the 
strengthening high. southerly winds will then persist through the
weekend, between the high to the east and a cold front to the 
northwest. winds will shift to the north and northeast behind the
cold front on monday.


lmz261-362-364-366-563-565-567-868-222115-
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-
104 pm cdt thu oct 22 2026

sheboygan wi to pentwater mi north...

.rest of today...northeast winds 5 to 10 kt. patchy fog. waves
1 ft or less. 
.tonight...east winds 5 to 10 kt veering to southeast 10 to
15 kt. patchy fog. waves 1 to 2 ft. 
.friday...south winds 10 to 15 kt. patchy fog in the morning.
waves 1 to 3 ft. 
.friday night...south winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 3 ft. 
.saturday...south winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
.saturday night...south winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.sunday...southwest winds to 30 kt diminishing to 10 to 20 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.monday...northeast winds 10 to 20 kt. waves 3 to 5 ft.  

$$

fzus63 kmkx 221353
glflm 
expires:202610222115;;996263

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
853 am cdt thu oct 22 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...

a dense fog advisory is in effect until 1 pm cdt this afternoon
for the northern portions of lake michigan. this fog may spread
southward and linger into tonight and friday morning. fog may
develop in southern portions of the lake as well tonight into
friday morning, with patchy dense fog possible.

high pressure around 30.3 inches will gradually shift eastward 
through friday, while strengthening to around 30.5 inches over 
southern quebec. light winds will continue through today, 
increasing a bit out of the south on friday behind the 
strengthening high. southerly winds will then persist through the
weekend, between the high to the east and a cold front to the 
northwest. winds will shift to the north and northeast behind the
cold front on monday.


lmz261-362-364-366-563-565-222115-
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-
853 am cdt thu oct 22 2026

two rivers wi to manistee mi north...

...dense fog advisory in effect until 1 pm cdt this afternoon...

.rest of today...northeast winds 5 to 10 kt. areas of dense fog
until early afternoon. waves 1 ft or less. 
.tonight...east winds 5 to 10 kt veering to south 10 to 15 kt.
patchy fog. waves 1 to 2 ft. 
.friday...south winds 10 to 15 kt. patchy fog in the morning.
waves 1 to 3 ft. 
.friday night...southeast winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 3 ft. 
.saturday...south winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
.saturday night...south winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.sunday...southwest winds to 30 kt diminishing to 10 to 20 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.monday...northeast winds 10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 221353
glflm 
expires:202610222115;;996264

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
853 am cdt thu oct 22 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...

a dense fog advisory is in effect until 1 pm cdt this afternoon
for the northern portions of lake michigan. this fog may spread
southward and linger into tonight and friday morning. fog may
develop in southern portions of the lake as well tonight into
friday morning, with patchy dense fog possible.

high pressure around 30.3 inches will gradually shift eastward 
through friday, while strengthening to around 30.5 inches over 
southern quebec. light winds will continue through today, 
increasing a bit out of the south on friday behind the 
strengthening high. southerly winds will then persist through the
weekend, between the high to the east and a cold front to the 
northwest. winds will shift to the north and northeast behind the
cold front on monday.


lmz567-868-222115-
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-
853 am cdt thu oct 22 2026

two rivers wi to manistee mi south to sheboygan wi to pentwater
mi...

.rest of today...east winds less than 10 kt becoming northeast.
patchy dense fog until early afternoon. waves nearly calm. 
.tonight...northeast winds less than 10 kt becoming east late in
the evening, then becoming southeast after midnight becoming
10 to 15 kt late. patchy fog overnight. waves 1 ft or less. 
.friday...southeast winds 10 to 15 kt becoming south. patchy fog
in the morning. waves 1 to 3 ft. 
.friday night...south winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 3 ft. 
.saturday...south winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
.saturday night...south winds to 30 kt diminishing to 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft. 
.sunday...south winds 10 to 20 kt. waves 2 to 4 ft. 
.monday...northeast winds 10 to 20 kt. waves 3 to 5 ft.  

$$