fzus63 kmkx 121401
glflm 
expires:202606122130;;619883

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
901 am cdt fri jun 12 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...

low pressure will continue to exit into the hudson bay, allowing
for continued gusty west winds through this morning. winds become
southwest this afternoon into saturday, with a cold frontal
passage saturday evening. scattered showers and thunderstorms are
expected with the frontal passage. modest northwest winds are 
likely behind the front saturday night, continuing through sunday 
morning. winds shift to westerly and gradually diminish sunday
night through monday.


lmz261-362-364-366-563-565-567-868-122130-
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 am cdt fri jun 12 2026

sheboygan wi to pentwater mi north...

.rest of today...southwest winds 10 to 20 kt increasing to 30 kt.
waves 3 to 5 ft. 
.tonight...southwest winds to 30 kt diminishing to 10 to 20 kt
late in the evening, then becoming southwest 10 to 20 kt after
midnight increasing to 15 to 25 kt late. chance of showers and
slight chance of thunderstorms overnight. waves 3 to 5 ft. 
.saturday...southwest winds 15 to 25 kt increasing to 30 kt.
chance of showers. waves 3 to 5 ft building to 4 to 6 ft
occasionally to 8 ft. 
.saturday night...west winds to 30 kt becoming northwest 10 to
20 kt overnight. chance of showers. waves 4 to 6 ft occasionally
to 8 ft subsiding to 2 to 4 ft. 
.sunday...northwest winds 10 to 20 kt becoming west 15 to 25 kt.
waves 2 to 4 ft. 
.sunday night...west winds 10 to 20 kt. waves 2 to 4 ft. 
.monday...west winds 15 to 25 kt becoming southwest. waves 1 to
3 ft. 
.tuesday...southwest winds 10 to 20 kt becoming south. waves 2 to
4 ft.  

$$

fzus63 kmkx 121401
glflm 
expires:202606122130;;619884

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
901 am cdt fri jun 12 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...

low pressure will continue to exit into the hudson bay, allowing
for continued gusty west winds through this morning. winds become
southwest this afternoon into saturday, with a cold frontal
passage saturday evening. scattered showers and thunderstorms are
expected with the frontal passage. modest northwest winds are 
likely behind the front saturday night, continuing through sunday 
morning. winds shift to westerly and gradually diminish sunday
night through monday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-122130-
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 am cdt fri jun 12 2026

sheboygan wi to pentwater mi south...

.rest of today...west winds 10 to 20 kt becoming southwest 15 to
25 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tonight...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday...southwest winds 10 to 20 kt becoming south to 30 kt.
chance of showers in the afternoon. waves 2 to 4 ft building to
4 to 6 ft occasionally to 8 ft. 
.saturday night...southwest winds 15 to 25 kt becoming northwest
10 to 20 kt. showers with a chance of thunderstorms in the
evening, then showers overnight. waves 4 to 6 ft occasionally to
8 ft subsiding to 3 to 5 ft. 
.sunday...northwest winds 15 to 25 kt. waves 4 to 6 ft
occasionally to 8 ft. 
.sunday night...west winds 10 to 20 kt. waves 2 to 4 ft. 
.monday...west winds 10 to 20 kt. waves 2 to 4 ft. 
.tuesday...southwest winds 10 to 20 kt. waves 2 to 4 ft.  

$$