fzus63 kmkx 261932
glflm 
expires:202603270315;;338456

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
232 pm cdt thu mar 26 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 30.7 inches will press from the canadian
prairies southward into the northern plains tonight into friday
morning as low pressure of 29.5 inches in illinois slides
eastward. this will bring gusty north winds to lake michigan. 
expecting widespread gales of 35 to 40 kt across the southern
two-thirds of the lake, with a few isolated gales to 35 kt
possible across the northern third. winds will gradually diminish
late tonight into friday morning as high pressure builds into the
northern plains and western portions of the upper midwest. high 
pressure will continue to slide southeastward on friday, with 
northwesterly winds developing as it passes to the south friday 
night. winds will gradually back to southerly into saturday 
afternoon as low pressure around 29.7 inches develops in the lee 
of the colorado rockies. winds then remain south-southwesterly 
through monday as ridging builds across the southeast u.s.


lmz366-565-567-868-270315-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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-
232 pm cdt thu mar 26 2026

sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...

...gale warning in effect through late tonight...

.tonight...north gales to 35 kt diminishing to 30 kt. waves 7 to
10 ft occasionally to 13 ft building to 8 to 12 ft occasionally
to 16 ft, then subsiding to 7 to 10 ft occasionally to 13 ft. 
.friday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
slight chance of snow showers in the afternoon. waves 5 to 8 ft
occasionally to 10 ft subsiding to 1 to 3 ft. 
.friday night...northwest winds 10 to 15 kt increasing to 10 to
20 kt. chance of snow showers. waves 1 to 2 ft building to 3 to
5 ft. 
.saturday...west winds 10 to 20 kt becoming southwest. waves 2 to
4 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...south winds 10 to 20 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.sunday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.sunday night...south winds 10 to 20 kt becoming southwest. waves
4 to 7 ft occasionally to 9 ft. 
.monday...north winds 10 to 20 kt becoming northeast. waves 4 to
7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.tuesday...east winds 15 to 25 kt. chance of rain. waves 6 to
9 ft occasionally to 12 ft.  

$$

fzus63 kmkx 261932
glflm 
expires:202603270315;;338457

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
232 pm cdt thu mar 26 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 30.7 inches will press from the canadian
prairies southward into the northern plains tonight into friday
morning as low pressure of 29.5 inches in illinois slides
eastward. this will bring gusty north winds to lake michigan. 
expecting widespread gales of 35 to 40 kt across the southern
two-thirds of the lake, with a few isolated gales to 35 kt
possible across the northern third. winds will gradually diminish
late tonight into friday morning as high pressure builds into the
northern plains and western portions of the upper midwest. high 
pressure will continue to slide southeastward on friday, with 
northwesterly winds developing as it passes to the south friday 
night. winds will gradually back to southerly into saturday 
afternoon as low pressure around 29.7 inches develops in the lee 
of the colorado rockies. winds then remain south-southwesterly 
through monday as ridging builds across the southeast u.s.


lmz080-669-671-673-675-777-779-870-872-874-876-878-270315-
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-
232 pm cdt thu mar 26 2026

sheboygan wi to pentwater mi south...

...gale warning in effect through late tonight...

.tonight...north gales to 40 kt diminishing to gales to 35 kt.
chance of rain showers this evening. waves 8 to 12 ft
occasionally to 16 ft building to 12 to 16 ft occasionally to
21 ft. 
.friday...north winds to 30 kt diminishing to 10 to 20 kt. slight
chance of snow showers in the afternoon. waves 8 to 11 ft
occasionally to 14 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.friday night...north winds 10 to 15 kt increasing to 10 to
20 kt. waves 3 to 5 ft. 
.saturday...northwest winds 10 to 20 kt backing to southwest.
waves 3 to 5 ft. 
.saturday night...south winds 10 to 20 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.sunday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.sunday night...south winds 10 to 20 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.monday...southwest winds 10 to 20 kt veering to north. waves
4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.tuesday...southeast winds 15 to 25 kt becoming south. rain
likely. waves 6 to 9 ft occasionally to 12 ft.  

$$