fzus63 kmkx 040235
glflm 
expires:202605040930;;976386

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
935 pm cdt sun may 3 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...

a weak cold front will continue to pass over the lake this 
evening, easing winds for a time before winds return to a 
southerly direction and become gusty again around dawn on monday. 
winds will then increase monday morning ahead of another cold 
front in association with low pressure of 29.0 inches moving 
across ontario. a short 6 hour period of gales is anticipated over
the northern third of lake michigan between 10am and 4pm cdt. 
winds then ease through the afternoon from north to south over the
lake as the cold front moves south. winds behind the front will 
become northwesterly.

the pressure gradient will then ease over the lake tuesday
through thursday, with light and persistent west to northwest 
winds occuring. light and variable winds may briefly occur at times 
as various weak surface ridges move across the lake.


lmz366-565-567-868-040930-
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-
935 pm cdt sun may 3 2026

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

.rest of tonight...southwest winds 10 to 20 kt diminishing to
10 to 15 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to
2 to 4 ft. 
.monday...south winds 15 to 25 kt becoming southwest to 30 kt.
chance of rain showers and slight chance of thunderstorms in the
afternoon. waves 2 to 4 ft building to 5 to 8 ft occasionally to
10 ft. 
.monday night...southwest winds 10 to 20 kt veering to north
10 to 15 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to
2 to 4 ft. 
.tuesday...northwest winds 10 to 15 kt becoming northeast. waves
1 to 3 ft. 
.tuesday night...southwest winds 5 to 10 kt veering to north.
waves 1 to 2 ft. 
.wednesday...north winds 10 to 15 kt veering to east. waves 1 to
2 ft. 
.wednesday night...southwest winds 5 to 10 kt becoming west.
waves 1 ft or less. 
.thursday...west winds 5 to 10 kt becoming southwest 10 to 15 kt.
waves 1 ft or less. 
.friday...west winds 5 to 10 kt becoming south. waves 1 to 2 ft. 

$$

fzus63 kmkx 040235
glflm 
expires:202605040930;;976387

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
935 pm cdt sun may 3 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...

a weak cold front will continue to pass over the lake this 
evening, easing winds for a time before winds return to a 
southerly direction and become gusty again around dawn on monday. 
winds will then increase monday morning ahead of another cold 
front in association with low pressure of 29.0 inches moving 
across ontario. a short 6 hour period of gales is anticipated over
the northern third of lake michigan between 10am and 4pm cdt. 
winds then ease through the afternoon from north to south over the
lake as the cold front moves south. winds behind the front will 
become northwesterly.

the pressure gradient will then ease over the lake tuesday
through thursday, with light and persistent west to northwest 
winds occuring. light and variable winds may briefly occur at times 
as various weak surface ridges move across the lake.


lmz080-669-671-673-675-777-779-870-872-874-876-878-040930-
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-
935 pm cdt sun may 3 2026

sheboygan wi to pentwater mi south...

.rest of tonight...southwest winds 15 to 25 kt diminishing to
10 to 15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to
2 to 4 ft. 
.monday...southwest winds 10 to 20 kt becoming south to 30 kt.
waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft. 
.monday night...southwest winds 15 to 25 kt becoming west 10 to
20 kt late in the evening, then becoming northwest 10 to 15 kt
overnight. chance of rain showers. waves 4 to 6 ft occasionally
to 8 ft subsiding to 1 to 3 ft. 
.tuesday...north winds 10 to 15 kt. chance of rain showers. waves
1 to 3 ft. 
.tuesday night...northwest winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.wednesday...north winds 10 to 15 kt. waves 1 to 3 ft. 
.wednesday night...south winds 5 to 10 kt becoming west. waves
1 to 2 ft. 
.thursday...west winds 10 to 15 kt becoming southwest. waves 1 ft
or less. 
.friday...west winds 5 to 10 kt becoming southwest 10 to 15 kt.
waves 1 to 2 ft.  

$$