fzus63 kmkx 191937
glflm 
expires:202606200315;;031753

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
237 pm cdt fri jun 19 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...

winds will turn south this afternoon, as weak low pressure around
29.8 inches approaches the lake. it crosses northern portions of 
the lake later tonight with nearly calm winds, with southwest to 
west winds developing further to the south. generally light winds 
are expected saturday into saturday night with high pressure 
around 30.0 inches moving through.

low pressure around 29.5 inches should track eastward from the 
central great plains on sunday, reaching central illinois 
early sunday evening, then into ohio by monday. east winds 
overspread lake michigan sunday, becoming gusty over southern 
portions of the lake and turning northeast later sunday into 
sunday night. winds turn north and remain gusty into monday, 
particularly over southern portions of the lake. at this time,
winds look to remain below gale force over southern portions of
the lake.

lighter winds return tuesday and wednesday, as high pressure
around 30.1 inches builds into the region.


lmz261-362-364-366-563-565-567-868-200315-
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-
237 pm cdt fri jun 19 2026

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 15 kt. scattered showers and
slight chance of thunderstorms. waves 1 to 3 ft. 
.saturday...southwest winds 10 to 15 kt becoming west. waves 1 to
3 ft. 
.saturday night...west winds 10 to 15 kt veering to northeast.
waves 1 to 2 ft. 
.sunday...northeast winds 5 to 10 kt becoming east. waves 1 ft or
less. 
.sunday night...northeast winds 10 to 20 kt increasing to 15 to
25 kt. chance of showers in the evening. waves 1 to 3 ft building
to 3 to 5 ft. 
.monday...north winds 15 to 25 kt increasing to 30 kt. waves 4 to
6 ft occasionally to 8 ft. 
.monday night...north winds 15 to 25 kt diminishing to 10 to
20 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.tuesday...north winds 10 to 15 kt becoming northwest. waves 1 to
2 ft. 
.wednesday...east winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 191937
glflm 
expires:202606200315;;031754

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
237 pm cdt fri jun 19 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...

winds will turn south this afternoon, as weak low pressure around
29.8 inches approaches the lake. it crosses northern portions of 
the lake later tonight with nearly calm winds, with southwest to 
west winds developing further to the south. generally light winds 
are expected saturday into saturday night with high pressure 
around 30.0 inches moving through.

low pressure around 29.5 inches should track eastward from the 
central great plains on sunday, reaching central illinois 
early sunday evening, then into ohio by monday. east winds 
overspread lake michigan sunday, becoming gusty over southern 
portions of the lake and turning northeast later sunday into 
sunday night. winds turn north and remain gusty into monday, 
particularly over southern portions of the lake. at this time,
winds look to remain below gale force over southern portions of
the lake.

lighter winds return tuesday and wednesday, as high pressure
around 30.1 inches builds into the region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-200315-
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-
237 pm cdt fri jun 19 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 10 to 15 kt becoming west 10 to 20 kt.
scattered showers and slight chance of thunderstorms. waves 2 to
4 ft. 
.saturday...west winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday night...south winds 5 to 10 kt backing to northeast.
waves 1 to 2 ft. 
.sunday...east winds 10 to 15 kt increasing to 30 kt in the
afternoon. chance of showers. waves 1 ft or less building to 1 to
3 ft. 
.sunday night...northeast winds to 30 kt. chance of showers. 
waves 4 to 7 ft occasionally to 9 ft. 
.monday...northeast winds to 30 kt becoming north. waves 5 to
8 ft occasionally to 10 ft. 
.monday night...north winds to 30 kt diminishing to 10 to 20 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.tuesday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.wednesday...south winds 10 to 15 kt becoming southeast 10 to
20 kt. chance of showers. waves 1 to 2 ft.  

$$