fzus63 kmkx 221159
glflm 
expires:202610221515;;992662

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
659 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...

dense fog has developed over the northern third of the lake and 
as such we have gone with a marine dense fog advisory until 1 pm 
cdt. there will be additional chances for this again tonight. 

high pressure of 30.3 inches will gradually shift eastward 
through friday, while strengthening to 30.5 inches over the 
eastern ontario. 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 trough to the 
northwest. 


lmz261-362-364-366-563-565-221515-
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-
659 am cdt thu oct 22 2026

two rivers wi to manistee mi north...

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

.today...northeast winds 5 to 10 kt. patchy dense fog. 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 221159
glflm 
expires:202610221515;;992663

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
659 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...

dense fog has developed over the northern third of the lake and 
as such we have gone with a marine dense fog advisory until 1 pm 
cdt. there will be additional chances for this again tonight. 

high pressure of 30.3 inches will gradually shift eastward 
through friday, while strengthening to 30.5 inches over the 
eastern ontario. 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 trough to the 
northwest. 


lmz567-868-221515-
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-
659 am cdt thu oct 22 2026

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

.today...east winds less than 10 kt becoming northeast. patchy
dense fog this morning. 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.  

$$

fzus63 kmkx 221159
glflm 
expires:202610221515;;992664

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
659 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...

dense fog has developed over the northern third of the lake and 
as such we have gone with a marine dense fog advisory until 1 pm 
cdt. there will be additional chances for this again tonight. 

high pressure of 30.3 inches will gradually shift eastward 
through friday, while strengthening to 30.5 inches over the 
eastern ontario. 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 trough to the 
northwest. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-221515-
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-
659 am cdt thu oct 22 2026

sheboygan wi to pentwater mi south...

.today...northeast winds 5 to 10 kt diminishing to less than
10 kt. 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 overnight. waves 1 to 2 ft.
.friday...southeast winds 10 to 15 kt. 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 220801
glflm 
expires:202610221530;;983349

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
301 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...

high pressure of 30.3 inches will gradually shift eastward 
through friday, while strengthening to 30.5 inches over the 
eastern ontario. 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 trough to the 
northwest. 

patchy fog is possible this morning and perhaps a bit more likely
tonight into friday morning.


lmz261-362-364-366-563-565-567-868-221530-
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-
301 am cdt thu oct 22 2026

sheboygan wi to pentwater mi north...

.today...northeast winds 5 to 10 kt. patchy fog this morning,
then patchy dense fog this afternoon. waves 1 ft or less. 
.tonight...east winds 5 to 10 kt veering to southeast 10 to
15 kt. waves 1 to 2 ft. 
.friday...south winds 10 to 15 kt. 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.  

$$