fzus63 kmkx 270826
glflm 
expires:202603271515;;369215

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
326 am cdt fri mar 27 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 30.8 inches will move from the
southern canadian prairies into the northern plains through early
this morning. ahead of the high, gusty north northeast winds will
linger across lake michigan early this morning. a gale warning 
remains in effect until 5 am cdt across the southern two thirds 
of the lake. winds will gradually diminish this morning, as the 
high moves into the upper midwest.

high pressure will continue to move southeastward on friday, with
northwesterly winds developing as it passes to the south friday 
night. winds will gradually back to southerly into saturday 
afternoon, as low pressure around 29.7 inches develops in the lee 
of the colorado rockies. winds may shift to the north and
northeast on monday, as a warm front sets up to the south of the
region.



lmz366-565-567-868-271515-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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-
326 am cdt fri mar 27 2026

sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...

...gale warning in effect until 5 am cdt early this morning...

.today...northeast gales to 35 kt diminishing to 10 to 20 kt 
through mid morning, then becoming north late this morning 
becoming northwest 10 to 15 kt early this afternoon becoming west.
slight chance of snow showers. waves 7 to 10 ft occasionally to 
13 ft subsiding to 1 to 3 ft. 
.tonight...northwest winds 10 to 20 kt. slight chance of snow
showers in the evening. waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft. 
.saturday...west winds 10 to 15 kt becoming southwest 10 to
20 kt, then becoming south 15 to 25 kt late. waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...south winds 15 to 25 kt becoming southwest.
waves 5 to 8 ft occasionally to 10 ft. 
.sunday...southwest winds 10 to 20 kt becoming south. waves 4 to
7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.sunday night...south winds 10 to 15 kt. waves 3 to 5 ft. 
.monday...northeast winds 10 to 15 kt. waves 2 to 4 ft. 
.tuesday...southeast winds 15 to 25 kt. chance of rain. waves
7 to 10 ft occasionally to 13 ft.  

$$

fzus63 kmkx 270826
glflm 
expires:202603271515;;369216

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
326 am cdt fri mar 27 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 30.8 inches will move from the
southern canadian prairies into the northern plains through early
this morning. ahead of the high, gusty north northeast winds will
linger across lake michigan early this morning. a gale warning 
remains in effect until 5 am cdt across the southern two thirds 
of the lake. winds will gradually diminish this morning, as the 
high moves into the upper midwest.

high pressure will continue to move southeastward on friday, with
northwesterly winds developing as it passes to the south friday 
night. winds will gradually back to southerly into saturday 
afternoon, as low pressure around 29.7 inches develops in the lee 
of the colorado rockies. winds may shift to the north and
northeast on monday, as a warm front sets up to the south of the
region.



lmz080-669-671-673-675-777-779-870-872-874-876-878-271515-
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-
326 am cdt fri mar 27 2026

sheboygan wi to pentwater mi south...

...gale warning in effect until 5 am cdt early this morning...

.today...northeast gales to 35 kt becoming north to 30 kt through
mid morning, then diminishing to 10 to 20 kt late this morning
becoming north 10 to 20 kt early this afternoon becoming
northwest. waves 10 to 14 ft occasionally to 18 ft subsiding to
4 to 6 ft occasionally to 8 ft. 
.tonight...northwest winds 10 to 20 kt becoming north 15 to
25 kt, then becoming northwest 10 to 20 kt late. waves 2 to 4 ft
building to 4 to 7 ft occasionally to 9 ft. 
.saturday...northwest winds 10 to 15 kt becoming west late in the
morning, then becoming southwest 10 to 20 kt early in the
afternoon becoming south 15 to 25 kt late. waves 4 to 6 ft
occasionally to 8 ft. 
.saturday night...south winds 15 to 25 kt becoming southwest.
waves 4 to 7 ft occasionally to 9 ft. 
.sunday...southwest winds 15 to 25 kt becoming south 10 to 20 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.sunday night...south winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft. 
.monday...south winds 10 to 15 kt backing to northeast. waves
2 to 4 ft. 
.tuesday...south winds 15 to 25 kt. chance of rain. waves 6 to
9 ft occasionally to 12 ft.  

$$