fzus63 kmkx 060731
glflm 
expires:202605061515;;095508

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
231 am cdt wed may 6 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 30.0 inches will continue to slide southward
into the central plains today, bringing light and variable winds 
to lake michigan. south winds should then develop thursday, with 
south to southwest winds continuing through saturday, as high 
pressure around 30.0 inches remains across the central plains. low
pressure around 29.5 inches should move southeast across portions
of the region saturday into saturday night. a passing cold front 
with the low will turn winds northwesterly saturday night into 
sunday. high pressure around 30.2 inches should then build into 
the western great lakes region later sunday into monday.


lmz261-362-364-366-563-565-567-868-061515-
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-
231 am cdt wed may 6 2026

sheboygan wi to pentwater mi north...

.today...northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 1 to 3 ft. 
.tonight...southwest winds 10 to 15 kt becoming west. waves 1 to
2 ft. 
.thursday...west winds 5 to 10 kt becoming southwest 10 to 15 kt
late in the morning, then increasing to 10 to 20 kt early in the
afternoon becoming south late. waves 1 to 3 ft. 
.thursday night...southwest winds 10 to 20 kt diminishing to 5 to
10 kt overnight. waves 1 to 3 ft. 
.friday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
waves 1 to 3 ft. 
.friday night...south winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday...southwest winds 15 to 25 kt. chance of rain showers.
waves 3 to 5 ft. 
.sunday...northwest winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.  

$$

fzus63 kmkx 060731
glflm 
expires:202605061515;;095509

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
231 am cdt wed may 6 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 30.0 inches will continue to slide southward
into the central plains today, bringing light and variable winds 
to lake michigan. south winds should then develop thursday, with 
south to southwest winds continuing through saturday, as high 
pressure around 30.0 inches remains across the central plains. low
pressure around 29.5 inches should move southeast across portions
of the region saturday into saturday night. a passing cold front 
with the low will turn winds northwesterly saturday night into 
sunday. high pressure around 30.2 inches should then build into 
the western great lakes region later sunday into monday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-061515-
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-
231 am cdt wed may 6 2026

sheboygan wi to pentwater mi south...

.today...northwest winds 5 to 10 kt veering to southeast 10 to
15 kt. waves 1 to 2 ft. 
.tonight...south winds 10 to 15 kt veering to west 5 to 10 kt.
waves 1 to 2 ft. 
.thursday...west winds 5 to 10 kt backing to south 10 to 15 kt.
waves 1 to 2 ft. 
.thursday night...south winds 10 to 15 kt becoming southwest 5 to
10 kt. waves 1 to 2 ft. 
.friday...southwest winds 10 to 15 kt becoming south. chance of
rain showers. waves 1 to 3 ft. 
.friday night...south winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 2 to 4 ft. 
.saturday...southwest winds 10 to 20 kt. waves 3 to 5 ft. 
.sunday...north winds 10 to 20 kt. waves 2 to 4 ft.  

$$