fzus63 kmkx 100201
glflm 
expires:202607100930;;707245

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
901 pm cdt thu jul 9 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...

northwesterly winds will gradually shift northerly and diminish
tonight, with fog developing across the majority of the lake as
winds diminish. patchy dense fog is possible, especially in the
southern half of the lake. winds will remain north to northeast 
on friday, as high pressure around 30.0 inches builds into the the
region from the north. the high should shift southeast over the 
weekend. light and variable winds are expected through the
weekend. high pressure exits to the east into early next week,
allowing for winds to shift to southwesterly into tuesday.


lmz261-362-364-366-563-565-567-868-100930-
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-
901 pm cdt thu jul 9 2026

sheboygan wi to pentwater mi north...

.rest of tonight...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.friday...northeast winds 5 to 10 kt becoming north 10 to 20 kt.
waves 1 to 3 ft. 
.friday night...north winds 10 to 20 kt diminishing to 10 to
15 kt late in the evening, then becoming northeast after midnight
becoming northeast 5 to 10 kt late. waves 1 to 3 ft subsiding to
1 to 2 ft. 
.saturday...east winds 5 to 10 kt becoming northeast 10 to 20 kt
in the afternoon. waves 1 to 2 ft. 
.saturday night...east winds 10 to 15 kt veering to south 5 to
10 kt. waves 1 to 2 ft. 
.sunday...south winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 2 ft. 
.sunday night...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 2 to 4 ft. 
.tuesday...southwest winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft.  

$$

fzus63 kmkx 100201
glflm 
expires:202607100930;;707246

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
901 pm cdt thu jul 9 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...

northwesterly winds will gradually shift northerly and diminish
tonight, with fog developing across the majority of the lake as
winds diminish. patchy dense fog is possible, especially in the
southern half of the lake. winds will remain north to northeast 
on friday, as high pressure around 30.0 inches builds into the the
region from the north. the high should shift southeast over the 
weekend. light and variable winds are expected through the
weekend. high pressure exits to the east into early next week,
allowing for winds to shift to southwesterly into tuesday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-100930-
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-
901 pm cdt thu jul 9 2026

sheboygan wi to pentwater mi south...

.rest of tonight...north winds 10 to 15 kt diminishing to 5 to
10 kt. chance of showers and slight chance of thunderstorms
through early evening. patchy fog overnight. waves 1 to 2 ft. 
.friday...northeast winds 5 to 10 kt becoming north 10 to 20 kt.
waves 1 to 3 ft. 
.friday night...north winds 10 to 20 kt becoming northeast 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday...northeast winds 5 to 10 kt becoming north 10 to 20 kt
in the afternoon. waves 1 to 2 ft. 
.saturday night...northeast winds 10 to 15 kt becoming east 5 to
10 kt. waves 1 to 3 ft. 
.sunday...east winds 5 to 10 kt becoming northeast. waves 1 ft or
less. 
.sunday night...northeast winds 5 to 10 kt veering to south.
waves 1 ft or less. 
.monday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.tuesday...west winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 3 ft.  

$$