fzus63 kmkx 310304
glflm 
expires:202601311030;;826736

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
904 pm cst fri jan 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...

lake effect snow showers will prevail into saturday, mainly across
the southern half of the lake. strong high pressure of 30.8 
inches over will continue to track south through the northern and
central great plains tonight. expect brisk north winds over lake 
michigan through saturday, with a period of moderate freezing 
spray as well. a ridge of high pressure will then shift across the
lake saturday night, with light and variable winds expected. 
modest southwest winds will develop for sunday into sunday night 
as a trough of low pressure approaches from the west. the trough 
will then pass and shift the winds to northwesterly for monday.


lmz261-362-364-366-563-565-567-868-311030-
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-
904 pm cst fri jan 30 2026

sheboygan wi to pentwater mi north...

.rest of tonight...north winds to 30 kt. freezing spray. chance
of snow showers. waves 4 to 7 ft occasionally to 9 ft building to
5 to 8 ft occasionally to 10 ft. 
.saturday...north winds 15 to 25 kt diminishing to 10 to 20 kt.
freezing spray in the morning. slight chance of snow showers in
the morning. waves 5 to 8 ft occasionally to 10 ft subsiding to
4 to 6 ft occasionally to 8 ft. 
.saturday night...north winds 10 to 15 kt backing to southwest.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.sunday...southwest winds 10 to 20 kt becoming south. waves 1 to
3 ft building to 3 to 5 ft. 
.sunday night...southwest winds 10 to 20 kt. chance of snow.
waves 4 to 6 ft occasionally to 8 ft. 
.monday...west winds 10 to 20 kt becoming northwest. waves 3 to
5 ft. 
.monday night...northwest winds 10 to 20 kt becoming north 10 to
15 kt. waves 1 to 3 ft. 
.tuesday...north winds 10 to 15 kt. waves 1 to 3 ft. 
.wednesday...northeast winds 10 to 15 kt becoming northwest.
waves 1 to 3 ft.  

$$

fzus63 kmkx 310304
glflm 
expires:202601311030;;826737

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
904 pm cst fri jan 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...

lake effect snow showers will prevail into saturday, mainly across
the southern half of the lake. strong high pressure of 30.8 
inches over will continue to track south through the northern and
central great plains tonight. expect brisk north winds over lake 
michigan through saturday, with a period of moderate freezing 
spray as well. a ridge of high pressure will then shift across the
lake saturday night, with light and variable winds expected. 
modest southwest winds will develop for sunday into sunday night 
as a trough of low pressure approaches from the west. the trough 
will then pass and shift the winds to northwesterly for monday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-311030-
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-
904 pm cst fri jan 30 2026

sheboygan wi to pentwater mi south...

.rest of tonight...north winds 15 to 25 kt increasing to 30 kt.
freezing spray. snow showers likely. waves 4 to 7 ft occasionally
to 9 ft building to 6 to 9 ft occasionally to 12 ft. 
.saturday...north winds to 30 kt diminishing to 10 to 20 kt.
freezing spray in the morning. chance of snow showers. waves 6 to
9 ft occasionally to 12 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.saturday night...north winds 10 to 20 kt diminishing to 10 to
15 kt late in the evening, then diminishing to 5 to 10 kt after
midnight backing to southwest late. waves 4 to 6 ft occasionally
to 8 ft subsiding to 3 to 5 ft. 
.sunday...southwest winds 10 to 20 kt becoming south. waves 1 to
3 ft building to 3 to 5 ft. 
.sunday night...southwest winds 10 to 20 kt. chance of snow.
waves 4 to 6 ft occasionally to 8 ft. 
.monday...west winds 10 to 20 kt becoming northwest. waves 3 to
5 ft. 
.monday night...northwest winds 10 to 15 kt diminishing to 5 to
10 kt. waves 2 to 4 ft. 
.tuesday...north winds 10 to 15 kt becoming northeast. waves 1 to
3 ft. 
.wednesday...northeast winds 10 to 15 kt becoming north. waves
2 to 4 ft.  

$$