fzus63 kmkx 302001
glflm 
expires:202605310315;;910825

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
301 pm cdt sat may 30 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 over the upper great lakes will strengthen to 
around 30.2 inches tonight and continue to dominate the weather 
pattern into start of the week. will see breezy northeast to 
easterly winds in the wake of a backdoor cold front this morning 
through day today before lighter winds return for sunday. then a 
similar pattern is expected again monday into monday night with 
breezy easterly winds returning before weakening for tuesday. 
winds then look to become more southerly on wednesday as the high
pressure breaks down and exits the region while low pressure 
develops over the plains.


lmz261-362-364-366-563-565-567-868-310315-
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-
301 pm cdt sat may 30 2026

sheboygan wi to pentwater mi north...

.tonight...northeast winds 10 to 20 kt veering to south. waves
1 to 3 ft. 
.sunday...south winds 10 to 15 kt becoming southwest. waves 1 to
3 ft. 
.sunday night...southwest winds 10 to 15 kt backing to northeast.
waves 1 to 2 ft. 
.monday...northeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 2 to 4 ft. 
.monday night...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 1 to 2 ft. 
.tuesday night...northwest winds 10 to 20 kt backing to south
5 to 10 kt. waves 1 to 2 ft. 
.wednesday...south winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft. 
.thursday...south winds 15 to 25 kt increasing to 30 kt. waves
2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. 

$$

fzus63 kmkx 302001
glflm 
expires:202605310315;;910826

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
301 pm cdt sat may 30 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 over the upper great lakes will strengthen to 
around 30.2 inches tonight and continue to dominate the weather 
pattern into start of the week. will see breezy northeast to 
easterly winds in the wake of a backdoor cold front this morning 
through day today before lighter winds return for sunday. then a 
similar pattern is expected again monday into monday night with 
breezy easterly winds returning before weakening for tuesday. 
winds then look to become more southerly on wednesday as the high
pressure breaks down and exits the region while low pressure 
develops over the plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-310315-
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-
301 pm cdt sat may 30 2026

sheboygan wi to pentwater mi south...

.tonight...northeast winds 15 to 25 kt veering to southeast 10 to
20 kt. waves 2 to 4 ft. 
.sunday...southeast winds 10 to 20 kt diminishing to 5 to 10 kt
late in the morning, then becoming east early in the afternoon
becoming northeast late. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.sunday night...northeast winds 5 to 10 kt becoming north. waves
1 ft or less. 
.monday...northeast winds 5 to 10 kt becoming north 10 to 20 kt
in the afternoon. waves 1 ft or less building to 1 to 3 ft. 
.monday night...northeast winds 10 to 20 kt. waves 3 to 5 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 2 to 4 ft. 
.tuesday night...north winds 10 to 20 kt becoming northeast 5 to
10 kt. waves 1 to 3 ft. 
.wednesday...east winds 5 to 10 kt becoming southeast. waves 1 to
2 ft. 
.thursday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft building to 3 to 5 ft.  

$$