fzus63 kmkx 291346
glflm 
expires:202603292115;;486748

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
846 am cdt sun mar 29 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...

breezy southwest winds will continue through today as a cold 
front begins to approach the waters from the north. the front will
gradually advance south across lake michigan late tonight through
tuesday. this will result in generally east- northeast winds 
across the northern half of the lake with southerly winds further 
south. periods of showers and thunderstorms will accompany the 
slow-moving front, with a few stronger storms possible monday 
night and once again on tuesday. large hail would be the primary 
threat in any stronger storms.

winds will trend northerly behind the departing cold front tuesday 
evening through wednesday. will be monitoring trends for a few gusts 
approaching gale force tuesday evening/night, with the current 
expectation being for any such gusts to be isolated. 30.8 inch 
high pressure will shift from ontario to quebec through the late 
week time period as 29.8 inch low pressure builds into the ohio 
river valley, allowing winds to trend east-northeasterly. 
additional rain and snow will accompany the approaching/passing 
area of low pressure thursday into next weekend.


lmz261-362-364-366-563-565-567-868-292115-
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-
846 am cdt sun mar 29 2026

sheboygan wi to pentwater mi north...

.rest of today...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft. 
.tonight...south winds 15 to 25 kt becoming southwest 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft. 
.monday...southwest winds 10 to 20 kt backing to east 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.monday night...east winds 10 to 20 kt. rain likely in the
evening, then rain likely with a chance of thunderstorms
overnight. waves 2 to 4 ft building to 3 to 5 ft. 
.tuesday...east winds 10 to 20 kt backing to north. rain likely
with a chance of thunderstorms. waves 4 to 6 ft occasionally to
8 ft building to 4 to 7 ft occasionally to 9 ft. 
.tuesday night...northwest winds to 30 kt. chance of rain. waves
5 to 8 ft occasionally to 10 ft. 
.wednesday...north winds to 30 kt diminishing to 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft. 
.thursday...east winds to 30 kt becoming northeast 15 to 25 kt.
chance of snow. waves 6 to 9 ft occasionally to 12 ft.  

$$

fzus63 kmkx 291346
glflm 
expires:202603292115;;486749

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
846 am cdt sun mar 29 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...

breezy southwest winds will continue through today as a cold 
front begins to approach the waters from the north. the front will
gradually advance south across lake michigan late tonight through
tuesday. this will result in generally east- northeast winds 
across the northern half of the lake with southerly winds further 
south. periods of showers and thunderstorms will accompany the 
slow-moving front, with a few stronger storms possible monday 
night and once again on tuesday. large hail would be the primary 
threat in any stronger storms.

winds will trend northerly behind the departing cold front tuesday 
evening through wednesday. will be monitoring trends for a few gusts 
approaching gale force tuesday evening/night, with the current 
expectation being for any such gusts to be isolated. 30.8 inch 
high pressure will shift from ontario to quebec through the late 
week time period as 29.8 inch low pressure builds into the ohio 
river valley, allowing winds to trend east-northeasterly. 
additional rain and snow will accompany the approaching/passing 
area of low pressure thursday into next weekend.


lmz080-669-671-673-675-777-779-870-872-874-876-878-292115-
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-
846 am cdt sun mar 29 2026

sheboygan wi to pentwater mi south...

.rest of today...south winds 10 to 20 kt increasing to 15 to
25 kt. waves 3 to 5 ft. 
.tonight...south winds 15 to 25 kt becoming southwest 10 to
20 kt. waves 3 to 5 ft. 
.monday...southwest winds 10 to 20 kt becoming south. waves 2 to
4 ft. 
.monday night...south winds 10 to 20 kt becoming southwest 15 to
25 kt. chance of rain and thunderstorms in the evening, then rain
likely with a chance of thunderstorms overnight. waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft. 
.tuesday...south winds to 30 kt becoming southwest. rain likely
in the morning, then rain with a chance of thunderstorms in the
afternoon. waves 4 to 7 ft occasionally to 9 ft. 
.tuesday night...northwest winds to 30 kt becoming north. chance
of rain and thunderstorms. waves 6 to 9 ft occasionally to 12 ft.
.wednesday...north winds to 30 kt diminishing to 15 to 25 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.thursday...east winds to 30 kt becoming northeast. chance of
rain and snow. waves 8 to 11 ft occasionally to 14 ft.  

$$