fzus63 kmkx 301944
glflm 
expires:202610310315;;984093

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
244 pm cdt fri oct 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...

high pressure around 30.4 inches crossing the upper great lakes
region will slowly exit overnight. moderate southeasterly 
winds return for saturday as low pressure around 29.8 inches 
moves into the central plains. light to moderate southeasterly 
to southerly winds then persist into monday, increasing for 
tuesday as low pressure approaches. southerly gales are 
possible on tuesday.


lmz261-362-364-366-563-565-567-868-310315-
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-
244 pm cdt fri oct 30 2026

sheboygan wi to pentwater mi north...

.tonight...northwest winds 10 to 15 kt backing to south. waves
1 to 2 ft. 
.saturday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft building to 3 to 5 ft. 
.saturday night...south winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.sunday...south winds 10 to 20 kt becoming southwest. waves 1 to
3 ft. 
.sunday night...south winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.monday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 3 to 5 ft. 
.monday night...southeast winds 15 to 25 kt becoming south to
30 kt. showers likely. waves 6 to 9 ft occasionally to 12 ft. 
.tuesday...south gales to 35 kt increasing to gales to 40 kt.
showers likely. waves 7 to 10 ft occasionally to 13 ft building
to 8 to 11 ft occasionally to 14 ft. 
.wednesday...south winds 15 to 25 kt becoming southwest 10 to
20 kt. chance of showers. waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 301944
glflm 
expires:202610310315;;984094

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
244 pm cdt fri oct 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...

high pressure around 30.4 inches crossing the upper great lakes
region will slowly exit overnight. moderate southeasterly 
winds return for saturday as low pressure around 29.8 inches 
moves into the central plains. light to moderate southeasterly 
to southerly winds then persist into monday, increasing for 
tuesday as low pressure approaches. southerly gales are 
possible on tuesday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-310315-
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-
244 pm cdt fri oct 30 2026

sheboygan wi to pentwater mi south...

.tonight...northeast winds 10 to 15 kt becoming southeast. slight
chance of showers overnight. waves 1 to 3 ft. 
.saturday...southeast winds 10 to 20 kt. chance of showers. waves
3 to 5 ft. 
.saturday night...southeast winds 10 to 20 kt becoming south
10 to 15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.sunday...south winds 10 to 15 kt. waves 1 to 3 ft. 
.sunday night...southeast winds 10 to 15 kt becoming south. waves
1 to 3 ft. 
.monday...south winds 10 to 20 kt becoming southeast 15 to 25 kt.
waves 2 to 4 ft building to 3 to 5 ft. 
.monday night...southeast winds 15 to 25 kt becoming south to
30 kt. showers likely. waves 6 to 9 ft occasionally to 12 ft. 
.tuesday...south gales to 40 kt. showers likely. waves 7 to 10 ft
occasionally to 13 ft building to 8 to 11 ft occasionally to
14 ft. 
.wednesday...south winds 15 to 25 kt. chance of showers. waves
4 to 6 ft occasionally to 8 ft.  

$$