fzus63 kmkx 080151
glflm 
expires:202610080915;;710011

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
851 pm cdt wed oct 7 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...

west to northwest winds will persist through thursday, as high 
pressure around 30.1 inches pushes into the region. winds will 
become southerly on friday, as the high departs and low pressure 
around 29.2 inches develops in the northern plains. the tight 
pressure gradient over lake michigan will produce breezy southerly
winds up to 30 knots from friday night through sunday morning. a 
few gale force gusts may occur in the northern half of the lake 
saturday afternoon and evening.


lmz261-362-364-366-563-565-567-868-080915-
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-
851 pm cdt wed oct 7 2026

sheboygan wi to pentwater mi north...

.rest of tonight...northwest winds 15 to 25 kt diminishing to
10 to 20 kt. waves 2 to 4 ft. 
.thursday...northwest winds 15 to 25 kt. waves 3 to 5 ft. 
.thursday night...northwest winds 15 to 25 kt becoming west 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.friday...southwest winds 10 to 15 kt becoming south 15 to 25 kt
in the afternoon. waves 1 to 2 ft building to 4 to 6 ft
occasionally to 8 ft. 
.friday night...south winds 15 to 25 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.saturday...south winds to 30 kt increasing to gales to 40 kt in
the afternoon. waves 6 to 9 ft occasionally to 12 ft. 
.saturday night...south gales to 35 kt. waves 6 to 9 ft
occasionally to 12 ft. 
.sunday...south winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft. 
.monday...west winds 15 to 25 kt becoming northwest to 30 kt.
waves 2 to 4 ft.  

$$

fzus63 kmkx 080151
glflm 
expires:202610080915;;710012

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
851 pm cdt wed oct 7 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...

west to northwest winds will persist through thursday, as high 
pressure around 30.1 inches pushes into the region. winds will 
become southerly on friday, as the high departs and low pressure 
around 29.2 inches develops in the northern plains. the tight 
pressure gradient over lake michigan will produce breezy southerly
winds up to 30 knots from friday night through sunday morning. a 
few gale force gusts may occur in the northern half of the lake 
saturday afternoon and evening.


lmz080-669-671-673-675-777-779-870-872-874-876-878-080915-
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-
851 pm cdt wed oct 7 2026

sheboygan wi to pentwater mi south...

.rest of tonight...west winds 15 to 25 kt becoming northwest
10 to 20 kt. waves 2 to 4 ft building to 3 to 5 ft. 
.thursday...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.thursday night...west winds 10 to 20 kt diminishing to 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.friday...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. 
.friday night...southeast winds 15 to 25 kt becoming south. waves
4 to 7 ft occasionally to 9 ft. 
.saturday...south winds to 30 kt. waves 6 to 9 ft occasionally to
12 ft. 
.saturday night...south winds to 30 kt diminishing to 15 to
25 kt. waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
6 ft occasionally to 8 ft. 
.sunday...south winds 10 to 20 kt. waves 3 to 5 ft. 
.monday...west winds 10 to 20 kt becoming southwest. waves 2 to
4 ft.  

$$