fzus63 kmkx 240807
glflm 
expires:202609241530;;968168

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 am cdt thu sep 24 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...

strong high pressure around 30.6 inches will linger over 
southeast ontario and southern quebec today, weakening to around 
30.4 inches. modest easterly winds continue through this morning, 
before weakening into the afternoon. light east to southeast winds
then prevail for the rest of the week and into the weekend, as 
the high reorients from the northern great lakes to james bay.


lmz261-362-364-366-563-565-567-868-241530-
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-
307 am cdt thu sep 24 2026

sheboygan wi to pentwater mi north...

.today...southeast winds 10 to 20 kt becoming northeast. waves
2 to 4 ft. 
.tonight...northeast winds 10 to 20 kt veering to south 10 to
15 kt. waves 1 to 3 ft. 
.friday...south winds 10 to 15 kt becoming southwest. waves 1 to
3 ft subsiding to 1 to 2 ft. 
.friday night...east winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday...southeast winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday night...east winds 5 to 10 kt becoming southeast. waves
1 ft or less. 
.sunday...south winds 5 to 10 kt becoming southwest. waves 1 ft
or less. 
.monday...southeast winds 5 to 10 kt becoming southwest. waves
nearly calm.  

$$

fzus63 kmkx 240807
glflm 
expires:202609241530;;968169

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 am cdt thu sep 24 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...

strong high pressure around 30.6 inches will linger over 
southeast ontario and southern quebec today, weakening to around 
30.4 inches. modest easterly winds continue through this morning, 
before weakening into the afternoon. light east to southeast winds
then prevail for the rest of the week and into the weekend, as 
the high reorients from the northern great lakes to james bay.


lmz080-669-671-673-675-777-779-870-872-874-876-878-241530-
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-
307 am cdt thu sep 24 2026

sheboygan wi to pentwater mi south...

.today...east winds 10 to 20 kt diminishing to 5 to 10 kt. waves
3 to 5 ft subsiding to 2 to 4 ft. 
.tonight...east winds 10 to 15 kt becoming southeast. waves 2 to
4 ft. 
.friday...southeast winds 10 to 15 kt becoming east. waves 1 to
3 ft subsiding to 1 to 2 ft. 
.friday night...northeast winds 5 to 10 kt becoming east. waves
1 to 2 ft. 
.saturday...southeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.saturday night...east winds 5 to 10 kt becoming southeast. waves
1 to 2 ft. 
.sunday...southeast winds 5 to 10 kt becoming east. waves 1 to
2 ft. 
.monday...east winds 5 to 10 kt becoming southeast. waves 1 ft or
less.  

$$