fzus63 kmkx 020758
glflm 
expires:202605021515;;880865

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
258 am cdt sat may 2 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...

winds will generally remain light and variable to northerly
early this morning through the late morning to early afternoon as
high pressure of 30.2 inches sinks southeast over lake michigan. 
winds are then expected to become light and variable for a time 
again this afternoon before turning southerly tonight. winds then
grow breezy tonight into sunday as low pressure of 29.6 inches 
approaches the lake, dragging a cold front over it. winds will 
only become westerly behind the front for a time, returning to 
southwesterly on monday ahead of another stronger low of 29.4 
inches.


lmz080-669-671-673-675-777-779-870-872-874-876-878-021515-
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-
258 am cdt sat may 2 2026

sheboygan wi to pentwater mi south...

.today...northwest winds 5 to 10 kt increasing to 10 to 15 kt
early this afternoon, then backing to south 10 to 20 kt late.
waves 1 to 2 ft. 
.tonight...south winds 10 to 20 kt becoming southwest 15 to
25 kt. waves 3 to 5 ft. 
.sunday...southwest winds 15 to 25 kt increasing to 30 kt. chance
of rain showers. waves 4 to 6 ft occasionally to 8 ft building to
5 to 8 ft occasionally to 10 ft. 
.sunday night...southwest winds 15 to 25 kt becoming west 10 to
15 kt overnight. waves 4 to 7 ft occasionally to 9 ft subsiding
to 3 to 5 ft. 
.monday...southwest winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
.monday night...southwest winds 15 to 25 kt becoming northwest
10 to 20 kt. chance of rain showers. waves 4 to 7 ft occasionally
to 9 ft subsiding to 3 to 5 ft. 
.tuesday...northwest winds 10 to 15 kt becoming northeast 10 to
20 kt. chance of rain showers. waves 2 to 4 ft. 
.wednesday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.  

$$

fzus63 kmkx 020758
glflm 
expires:202605021515;;880864

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
258 am cdt sat may 2 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...

winds will generally remain light and variable to northerly
early this morning through the late morning to early afternoon as
high pressure of 30.2 inches sinks southeast over lake michigan. 
winds are then expected to become light and variable for a time 
again this afternoon before turning southerly tonight. winds then
grow breezy tonight into sunday as low pressure of 29.6 inches 
approaches the lake, dragging a cold front over it. winds will 
only become westerly behind the front for a time, returning to 
southwesterly on monday ahead of another stronger low of 29.4 
inches.


lmz261-362-364-366-563-565-567-868-021515-
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-
258 am cdt sat may 2 2026

sheboygan wi to pentwater mi north...

.today...northwest winds 5 to 10 kt becoming west 10 to 15 kt
late this morning, then becoming southwest 10 to 20 kt early this
afternoon becoming south late. waves 1 to 3 ft. 
.tonight...south winds 10 to 20 kt becoming southwest. slight
chance of rain showers overnight. waves 3 to 5 ft. 
.sunday...southwest winds 15 to 25 kt increasing to 30 kt. chance
of rain showers. waves 4 to 6 ft occasionally to 8 ft building to
4 to 7 ft occasionally to 9 ft. 
.sunday night...southwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft. 
.monday...southwest winds to 30 kt. waves 4 to 6 ft occasionally
to 8 ft building to 4 to 7 ft occasionally to 9 ft. 
.monday night...southwest winds 15 to 25 kt becoming west 10 to
15 kt. chance of rain showers. waves 4 to 7 ft occasionally to
9 ft subsiding to 3 to 5 ft. 
.tuesday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft. 
.wednesday...northwest winds 10 to 15 kt. waves 1 to 2 ft.  

$$