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fzus63 kmkx 240803
glflm 
expires:202504241515;;358011

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am cdt thu apr 24 2025

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...

a weak cold front will continue to shift southward across the 
open waters of lake michigan this morning, allowing winds to 
shift north to northeast. some fog may develop over portions of 
the lake into this morning as well. the north to northeast winds 
will continue through tonight, as high pressure around 30.4 
inches builds into the northern great plains.

low pressure around 29.9 inches will then move northeast across
southern lake michigan on friday morning, bringing gusty 
northerly winds behind it for friday afternoon and night. gales 
appear unlikely at this time over the open waters. breezy 
conditions will continue through saturday, with winds tapering 
saturday night, as strong high pressure around 30.5 inches builds 
in from the northern great plains.


lmz261-362-364-366-563-565-567-868-241515-
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-
303 am cdt thu apr 24 2025

sheboygan wi to pentwater mi north...

.today...north winds 10 to 15 kt increasing to 10 to 20 kt. waves
2 to 4 ft. 
.tonight...northeast winds 10 to 20 kt. chance of rain showers
overnight. waves 2 to 4 ft. 
.friday...northeast winds 10 to 20 kt becoming north 15 to 25 kt.
chance of rain showers. waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft. 
.friday night...north winds 15 to 25 kt. chance of rain showers
in the evening. waves 5 to 8 ft occasionally to 10 ft. 
.saturday...north 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. 
.saturday night...north winds 10 to 15 kt veering to east 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.sunday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.monday...south winds 15 to 25 kt. chance of rain showers. waves
4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally
to 9 ft.  

$$
fzus63 kmkx 240803
glflm 
expires:202504241515;;358012

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am cdt thu apr 24 2025

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...

a weak cold front will continue to shift southward across the 
open waters of lake michigan this morning, allowing winds to 
shift north to northeast. some fog may develop over portions of 
the lake into this morning as well. the north to northeast winds 
will continue through tonight, as high pressure around 30.4 
inches builds into the northern great plains.

low pressure around 29.9 inches will then move northeast across
southern lake michigan on friday morning, bringing gusty 
northerly winds behind it for friday afternoon and night. gales 
appear unlikely at this time over the open waters. breezy 
conditions will continue through saturday, with winds tapering 
saturday night, as strong high pressure around 30.5 inches builds 
in from the northern great plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-241515-
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-
303 am cdt thu apr 24 2025

sheboygan wi to pentwater mi south...

.today...northwest winds 10 to 15 kt becoming north 10 to 20 kt.
waves 2 to 4 ft. 
.tonight...north winds 10 to 20 kt becoming northeast. chance of
rain showers overnight. waves 2 to 4 ft. 
.friday...northeast winds 10 to 15 kt becoming north 10 to 20 kt
late in the morning, then becoming northwest 15 to 25 kt early in
the afternoon becoming north late. rain showers likely in the
morning, then rain showers in the afternoon. waves 2 to 4 ft
building to 4 to 7 ft occasionally to 9 ft. 
.friday night...north winds 15 to 25 kt. chance of rain showers.
waves 6 to 9 ft occasionally to 12 ft. 
.saturday...north winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.saturday night...north winds 10 to 20 kt becoming east 5 to
10 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.sunday...southeast winds 10 to 15 kt. waves 1 to 3 ft. 
.monday...south winds 15 to 25 kt. chance of showers. waves 4 to
6 ft occasionally to 8 ft building to 4 to 7 ft occasionally to
9 ft.  

$$
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