fzus63 kmkx 250217
glflm 
expires:202603250930;;247376

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
917 pm cdt tue mar 24 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...

light east to southeast winds this evening will gradually pick up
and become more southerly later tonight into wednesday between
high pressure of 30.5 inches over the mid-atlantic and low
pressure of 29.6 inches traveling from the northern plains into 
minnesota. a cold front will then move southward across the lake 
thursday morning into the afternoon, with increasing northerly 
winds expected behind the front. a period of gale force gusts is 
possible thursday evening into early thursday night, mainly across
the southern half of the lake. 

breezy west to northwest winds are likely to develop later friday
evening into friday night in advance of high pressure of 30.7 
inches approaching from the northwest. winds may ease a bit by 
later saturday as the high moves overhead, with breezy southerly 
winds then developing by sunday behind the departing high and 
ahead of an approaching low. 


lmz261-362-364-366-563-565-567-868-250930-
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-
917 pm cdt tue mar 24 2026

sheboygan wi to pentwater mi north...

.rest of tonight...southeast winds 10 to 15 kt increasing to
10 to 20 kt. waves 2 to 4 ft. 
.wednesday...southeast winds 10 to 20 kt becoming south to 30 kt.
slight chance of rain in the afternoon. waves 2 to 4 ft building
to 4 to 6 ft occasionally to 8 ft. 
.wednesday night...south winds to 30 kt diminishing to 10 to
15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.thursday...west winds 10 to 20 kt veering to north 15 to 25 kt.
chance of rain in the morning, then chance of rain and snow in
the afternoon. waves 1 to 3 ft building to 4 to 6 ft occasionally
to 8 ft. 
.thursday night...north winds to 30 kt. waves 8 to 11 ft
occasionally to 14 ft. 
.friday...north winds to 30 kt becoming northwest 10 to 20 kt in
the afternoon. waves 6 to 9 ft occasionally to 12 ft subsiding to
4 to 6 ft occasionally to 8 ft. 
.friday night...west winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft building to 3 to 5 ft. 
.saturday...west winds 15 to 25 kt. waves 4 to 6 ft occasionally
to 8 ft. 
.sunday...south winds 15 to 25 kt. waves 4 to 7 ft occasionally
to 9 ft.  

$$

fzus63 kmkx 250217
glflm 
expires:202603250930;;247377

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
917 pm cdt tue mar 24 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...

light east to southeast winds this evening will gradually pick up
and become more southerly later tonight into wednesday between
high pressure of 30.5 inches over the mid-atlantic and low
pressure of 29.6 inches traveling from the northern plains into 
minnesota. a cold front will then move southward across the lake 
thursday morning into the afternoon, with increasing northerly 
winds expected behind the front. a period of gale force gusts is 
possible thursday evening into early thursday night, mainly across
the southern half of the lake. 

breezy west to northwest winds are likely to develop later friday
evening into friday night in advance of high pressure of 30.7 
inches approaching from the northwest. winds may ease a bit by 
later saturday as the high moves overhead, with breezy southerly 
winds then developing by sunday behind the departing high and 
ahead of an approaching low. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-250930-
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-
917 pm cdt tue mar 24 2026

sheboygan wi to pentwater mi south...

.rest of tonight...southeast winds 10 to 15 kt increasing to
10 to 20 kt. waves 1 to 3 ft. 
.wednesday...south winds 10 to 20 kt increasing to 30 kt. waves
3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.wednesday night...south winds 15 to 25 kt diminishing to 10 to
15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.thursday...southwest winds 10 to 15 kt veering to northwest
10 to 20 kt. chance of rain in the afternoon. waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft. 
.thursday night...north gales to 35 kt. chance of rain in the
evening. waves 10 to 14 ft occasionally to 18 ft. 
.friday...north winds to 30 kt diminishing to 15 to 25 kt. waves
8 to 12 ft occasionally to 16 ft subsiding to 5 to 8 ft
occasionally to 10 ft. 
.friday night...northwest winds 10 to 20 kt becoming west. waves
3 to 5 ft. 
.saturday...west winds 10 to 20 kt becoming southwest. waves 4 to
6 ft occasionally to 8 ft. 
.sunday...south winds 15 to 25 kt. waves 4 to 7 ft occasionally
to 9 ft.  

$$