fzus63 kmkx 020300
glflm 
expires:202601021015;;639877

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cst thu jan 1 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...

brisk west northwest winds will continue into friday, then 
lighter winds will take hold for the weekend. this will occur as 
deep low pressure around 28.9 inches continues to gradually weaken
over hudson bay, while a ridge of high pressure around 30.1 
inches extends from minnesota into the ohio valley. moderate 
freezing spray will continue over eastern portions of the lake 
into friday morning.


lmz261-362-364-366-563-565-567-868-021015-
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-
900 pm cst thu jan 1 2026

sheboygan wi to pentwater mi north...

.rest of tonight...west winds 15 to 25 kt becoming northwest.
slight chance of snow through early evening. waves 4 to 6 ft
occasionally to 8 ft. 
.friday...northwest winds 15 to 25 kt becoming west. waves 4 to
6 ft occasionally to 8 ft. 
.friday night...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.saturday...northwest winds 10 to 20 kt becoming west. chance of
snow in the afternoon. waves 1 to 3 ft. 
.saturday night...northwest winds 10 to 20 kt. waves 2 to 4 ft. 
.sunday...northwest winds 10 to 15 kt becoming west. waves 2 to
4 ft subsiding to 1 to 2 ft. 
.sunday night...south winds 10 to 20 kt increasing to 15 to
25 kt. snow. waves 2 to 4 ft building to 4 to 7 ft occasionally
to 9 ft. 
.monday...southwest winds 15 to 25 kt becoming west 10 to 20 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.tuesday...south winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 020300
glflm 
expires:202601021015;;639878

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cst thu jan 1 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...

brisk west northwest winds will continue into friday, then 
lighter winds will take hold for the weekend. this will occur as 
deep low pressure around 28.9 inches continues to gradually weaken
over hudson bay, while a ridge of high pressure around 30.1 
inches extends from minnesota into the ohio valley. moderate 
freezing spray will continue over eastern portions of the lake 
into friday morning.


lmz080-669-671-673-675-777-779-870-872-874-876-878-021015-
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-
900 pm cst thu jan 1 2026

sheboygan wi to pentwater mi south...

.rest of tonight...west winds 10 to 20 kt becoming northwest.
chance of snow through early evening. waves 4 to 6 ft
occasionally to 8 ft. 
.friday...northwest winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft. 
.friday night...northwest winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.saturday...northwest winds 5 to 10 kt becoming west 10 to 15 kt.
waves 1 to 3 ft. 
.saturday night...northwest winds 10 to 20 kt. waves 3 to 5 ft. 
.sunday...northwest winds 10 to 15 kt backing to southwest. waves
2 to 4 ft subsiding to 1 to 3 ft. 
.sunday night...south winds 15 to 25 kt. chance of snow. waves
3 to 5 ft building to 5 to 8 ft occasionally to 10 ft. 
.monday...southwest winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.tuesday...south winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 2 to 4 ft.  

$$