fzus63 kmkx 260148
glflm 
expires:202604260930;;527369

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
848 pm cdt sat apr 25 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...

east to northeast winds are expected to develop overnight into 
sunday, as high pressure around 30.2 inches shifts eastward into
southeast ontario. low pressure around 29.4 inches is then expected
to move from northeast kansas early monday to lake superior by 
early tuesday morning. winds will increase monday into monday 
night out of the south to southeast ahead of the low. the cooler 
lake temperatures may limit the risk for gales across the lake
during this time. breezy west to northwest winds will then 
develop behind the departing low by later tuesday. lighter winds
should then occur into the rest of next week.


lmz261-362-364-366-563-565-567-868-260930-
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-
848 pm cdt sat apr 25 2026

sheboygan wi to pentwater mi north...

.rest of tonight...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 10 to 15 kt.
patchy fog in the morning. waves 1 to 2 ft. 
.sunday night...northeast winds 10 to 20 kt becoming southeast.
waves 2 to 4 ft building to 3 to 5 ft. 
.monday...southeast winds to 30 kt. waves 6 to 9 ft occasionally
to 12 ft. 
.monday night...southeast winds to 30 kt becoming south. rain
showers with a chance of thunderstorms in the evening, then rain
showers overnight. waves 7 to 10 ft occasionally to 13 ft. 
.tuesday...southwest winds to 30 kt becoming west. waves 6 to
9 ft occasionally to 12 ft. 
.tuesday night...northwest winds 10 to 20 kt becoming north 10 to
15 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.wednesday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.thursday...northwest winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 260148
glflm 
expires:202604260930;;527370

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
848 pm cdt sat apr 25 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...

east to northeast winds are expected to develop overnight into 
sunday, as high pressure around 30.2 inches shifts eastward into
southeast ontario. low pressure around 29.4 inches is then expected
to move from northeast kansas early monday to lake superior by 
early tuesday morning. winds will increase monday into monday 
night out of the south to southeast ahead of the low. the cooler 
lake temperatures may limit the risk for gales across the lake
during this time. breezy west to northwest winds will then 
develop behind the departing low by later tuesday. lighter winds
should then occur into the rest of next week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-260930-
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-
848 pm cdt sat apr 25 2026

sheboygan wi to pentwater mi south...

.rest of tonight...north winds 10 to 20 kt veering to east 10 to
15 kt. waves 2 to 4 ft. 
.sunday...east winds 10 to 15 kt becoming northeast. patchy fog
in the morning. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.sunday night...northeast winds 10 to 15 kt becoming east 10 to
20 kt late in the evening, then becoming southeast after midnight
increasing to 15 to 25 kt late. waves 1 to 3 ft building to 4 to
6 ft occasionally to 8 ft. 
.monday...southeast winds to 30 kt. rain showers likely in the
afternoon. waves 6 to 9 ft occasionally to 12 ft. 
.monday night...southeast winds to 30 kt becoming south. showers
with a chance of thunderstorms in the evening, then showers
overnight. waves 7 to 10 ft occasionally to 13 ft. 
.tuesday...southwest winds 15 to 25 kt becoming west. waves 6 to
9 ft occasionally to 12 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.tuesday night...northwest winds 10 to 15 kt becoming north.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.wednesday...north winds 10 to 20 kt. waves 2 to 4 ft. 
.thursday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft.  

$$