fzus63 kmkx 060211
glflm 
expires:202604060915;;900873

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
911 pm cdt sun apr 5 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...

northwest winds will linger overnight, as high pressure around 
30.7 inches builds into the northern plains. these winds will 
increase once more during the day monday, as a small area of low
pressure around 30.0 inches develops east of lake huron. a few 
gale force gusts are possible over the northern half of the open 
waters during the afternoon hours. 

winds will decrease monday night into tuesday, as high pressure 
around 30.5 inches moves over and east of the area. some moderate 
freezing spray is possible over the northern half of the lake 
monday evening.

low pressure around 29.6 inches will form over the northern great
plains and approach lake michigan tuesday night into wednesday, 
resulting in increasing southerly winds across the waters. winds 
will remain gusty into wednesday night, as the low passes north 
of lake superior. gale force gusts will be possible with this 
system. 

winds will taper during the day thursday, with high pressure
around 30.4 inches moving from the northern plains toward lake 
superior. showers and a few thunderstorms are forecast wednesday 
into thursday.


lmz261-362-364-366-563-565-567-868-060915-
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-
911 pm cdt sun apr 5 2026

sheboygan wi to pentwater mi north...

.rest of tonight...northwest winds 10 to 15 kt increasing to
10 to 20 kt. scattered rain showers late this evening. waves 1 to
3 ft. 
.monday...northwest winds 10 to 20 kt becoming north to 30 kt.
chance of snow showers. waves 3 to 5 ft building to 4 to 7 ft
occasionally to 9 ft. 
.monday night...north winds to 30 kt diminishing to 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.tuesday...northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.tuesday night...south winds 10 to 20 kt increasing to 15 to
25 kt. waves 1 to 3 ft building to 4 to 6 ft occasionally to
8 ft. 
.wednesday...south winds to 30 kt increasing to gales to 35 kt.
chance of rain showers in the morning. waves 8 to 12 ft
occasionally to 16 ft building to 10 to 14 ft occasionally to
18 ft. 
.wednesday night...south gales to 40 kt. rain showers. waves
12 to 16 ft occasionally to 21 ft. 
.thursday...southwest winds to 30 kt diminishing to 15 to 25 kt.
chance of rain showers. waves 8 to 12 ft occasionally to 16 ft
subsiding to 5 to 8 ft occasionally to 10 ft. 
.friday...northwest winds 10 to 15 kt becoming north. waves 2 to
4 ft.  

$$

fzus63 kmkx 060211
glflm 
expires:202604060915;;900874

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
911 pm cdt sun apr 5 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...

northwest winds will linger overnight, as high pressure around 
30.7 inches builds into the northern plains. these winds will 
increase once more during the day monday, as a small area of low
pressure around 30.0 inches develops east of lake huron. a few 
gale force gusts are possible over the northern half of the open 
waters during the afternoon hours. 

winds will decrease monday night into tuesday, as high pressure 
around 30.5 inches moves over and east of the area. some moderate 
freezing spray is possible over the northern half of the lake 
monday evening.

low pressure around 29.6 inches will form over the northern great
plains and approach lake michigan tuesday night into wednesday, 
resulting in increasing southerly winds across the waters. winds 
will remain gusty into wednesday night, as the low passes north 
of lake superior. gale force gusts will be possible with this 
system. 

winds will taper during the day thursday, with high pressure
around 30.4 inches moving from the northern plains toward lake 
superior. showers and a few thunderstorms are forecast wednesday 
into thursday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-060915-
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-
911 pm cdt sun apr 5 2026

sheboygan wi to pentwater mi south...

.rest of tonight...west winds 10 to 20 kt becoming northwest
15 to 25 kt. rain showers late this evening, then scattered rain
showers overnight. waves 2 to 4 ft. 
.monday...northwest winds 10 to 20 kt increasing to 15 to 25 kt.
chance of snow showers and slight chance of rain showers in the
afternoon. waves 2 to 4 ft building to 4 to 7 ft occasionally to
9 ft. 
.monday night...north winds to 30 kt diminishing to 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.tuesday...north winds 10 to 15 kt becoming northeast. waves 4 to
7 ft occasionally to 9 ft subsiding to 3 to 5 ft. 
.tuesday night...southeast winds 10 to 15 kt increasing to 15 to
25 kt overnight. waves 1 to 3 ft building to 4 to 6 ft
occasionally to 8 ft. 
.wednesday...south winds to 30 kt increasing to gales to 35 kt.
waves 8 to 11 ft occasionally to 14 ft building to 8 to 12 ft
occasionally to 16 ft. 
.wednesday night...south gales to 40 kt. chance of rain showers.
waves 10 to 14 ft occasionally to 18 ft. 
.thursday...southwest winds to 30 kt diminishing to 15 to 25 kt.
chance of rain showers. waves 8 to 12 ft occasionally to 16 ft
subsiding to 5 to 8 ft occasionally to 10 ft. 
.friday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
chance of rain showers. waves 2 to 4 ft.  

$$