fzus63 kmkx 231359
glflm 
expires:202606232115;;773029

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am cdt tue jun 23 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...

high pressure around 30.2 inches over the upper midwest will bring
light and variable winds throughout today and tonight. low 
pressure 29.9 inches developing over the northern plains tonight
and progressing into northern wisconsin on wednesday will bring
southwesterly winds and thunderstorms to the lake. winds shift
northwesterly as low pressure exits into lower michigan on
thursday, with isolated thunderstorms remaining possible. light
northerly winds expected thursday night, continuing through 
friday. friday night into saturday, expect light and variable
winds under high pressure around 30.1 inches, before winds shift
to become southeasterly sunday ahead of developing strong low 
pressure in the northern plains.


lmz261-362-364-366-563-565-567-868-232115-
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-
859 am cdt tue jun 23 2026

sheboygan wi to pentwater mi north...

.rest of today...north winds 10 to 15 kt becoming west. waves
1 to 2 ft. 
.tonight...west winds 10 to 15 kt backing to south. slight chance
of showers overnight. waves 1 to 2 ft. 
.wednesday...south winds 10 to 15 kt becoming southeast 10 to
20 kt. chance of showers in the morning, then showers likely in
the afternoon. waves 1 ft or less building to 2 to 4 ft. 
.wednesday night...south winds 10 to 20 kt diminishing to 10 to
15 kt. chance of showers. waves 2 to 4 ft subsiding to 1 to 3 ft.
.thursday...northwest winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 2 ft. 
.thursday night...northwest winds 10 to 15 kt becoming north.
waves 1 to 2 ft. 
.friday...north winds 5 to 10 kt becoming northwest 10 to 20 kt.
waves 1 to 2 ft. 
.saturday...northeast winds 5 to 10 kt increasing to 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 231359
glflm 
expires:202606232115;;773030

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am cdt tue jun 23 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...

high pressure around 30.2 inches over the upper midwest will bring
light and variable winds throughout today and tonight. low 
pressure 29.9 inches developing over the northern plains tonight
and progressing into northern wisconsin on wednesday will bring
southwesterly winds and thunderstorms to the lake. winds shift
northwesterly as low pressure exits into lower michigan on
thursday, with isolated thunderstorms remaining possible. light
northerly winds expected thursday night, continuing through 
friday. friday night into saturday, expect light and variable
winds under high pressure around 30.1 inches, before winds shift
to become southeasterly sunday ahead of developing strong low 
pressure in the northern plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-232115-
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-
859 am cdt tue jun 23 2026

sheboygan wi to pentwater mi south...

.rest of today...north winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 3 ft. 
.tonight...north winds 10 to 15 kt diminishing to 5 to 10 kt late
in the evening, then backing to west after midnight becoming
south late. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers in the morning, then chance of showers and
thunderstorms in the afternoon. waves 1 ft or less building to
2 to 4 ft. 
.wednesday night...south winds 10 to 20 kt becoming southwest
10 to 15 kt. chance of showers and thunderstorms in the evening,
then chance of showers overnight. waves 2 to 4 ft subsiding to
1 to 3 ft. 
.thursday...west winds 10 to 15 kt becoming northwest 10 to
20 kt. waves 1 to 2 ft. 
.thursday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.friday...northeast winds 5 to 10 kt becoming north 10 to 15 kt.
waves 1 to 2 ft. 
.saturday...northeast winds 5 to 10 kt increasing to 10 to 20 kt.
waves 1 to 2 ft.  

$$