fzus63 kmkx 161938
glflm 
expires:202605170315;;670408

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
238 pm cdt sat may 16 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...

southerly winds persist as the front stalled south of lake 
michigan this afternoon is progged to lift back northward 
overnight as low pressure around 29.2 inches develops over the 
plains and gradually weakens as it lifts into the upper 
mississippi river valley sunday into monday. then southerly winds 
increase as another low pressure around 29.6 inches lifts across 
ia/wi into lake superior later monday into tuesday. this low will 
drag a cold front across the lake during the day tuesday turning 
winds more west-northwesterly overnight into wednesday. lighter 
and varying winds expected wednesday through the end of the week 
as high pressure builds across the region.


lmz261-362-364-366-563-565-567-868-170315-
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-
238 pm cdt sat may 16 2026

sheboygan wi to pentwater mi north...

.tonight...west winds 10 to 20 kt veering to northeast. waves
2 to 4 ft. 
.sunday...northeast winds 10 to 20 kt becoming east 15 to 25 kt.
slight chance of rain showers in the morning, then chance of rain
showers in the afternoon. waves 2 to 4 ft. 
.sunday night...east winds to 30 kt becoming south. chance of
showers and thunderstorms in the evening, then chance of showers
overnight. waves 4 to 6 ft occasionally to 8 ft building to 6 to
9 ft occasionally to 12 ft. 
.monday...south winds to 30 kt. chance of showers. waves 6 to
9 ft occasionally to 12 ft. 
.monday night...south winds to 30 kt. showers likely with a
chance of thunderstorms in the evening, then showers with a
chance of thunderstorms overnight. waves 6 to 9 ft occasionally
to 12 ft. 
.tuesday...south winds to 30 kt becoming southwest gales to
35 kt. showers likely in the morning, then chance of showers in
the afternoon. waves 7 to 10 ft occasionally to 13 ft. 
.tuesday night...northwest winds to 30 kt becoming north 15 to
25 kt. waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
6 ft occasionally to 8 ft. 
.wednesday...north winds 15 to 25 kt. waves 3 to 5 ft. 
.thursday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 161938
glflm 
expires:202605170315;;670409

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
238 pm cdt sat may 16 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...

southerly winds persist as the front stalled south of lake 
michigan this afternoon is progged to lift back northward 
overnight as low pressure around 29.2 inches develops over the 
plains and gradually weakens as it lifts into the upper 
mississippi river valley sunday into monday. then southerly winds 
increase as another low pressure around 29.6 inches lifts across 
ia/wi into lake superior later monday into tuesday. this low will 
drag a cold front across the lake during the day tuesday turning 
winds more west-northwesterly overnight into wednesday. lighter 
and varying winds expected wednesday through the end of the week 
as high pressure builds across the region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-170315-
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-
238 pm cdt sat may 16 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 10 to 20 kt backing to east. slight chance
of rain showers and thunderstorms overnight. waves 1 to 3 ft. 
.sunday...east winds 10 to 20 kt becoming southeast. chance of
rain showers and slight chance of thunderstorms. waves 2 to 4 ft.
.sunday night...southeast winds 15 to 25 kt becoming south to
30 kt. waves 3 to 5 ft building to 5 to 8 ft occasionally to
10 ft. 
.monday...south winds to 30 kt. chance of showers in the morning,
then showers likely in the afternoon. waves 6 to 9 ft
occasionally to 12 ft. 
.monday night...south winds to 30 kt. showers likely. waves 5 to
8 ft occasionally to 10 ft. 
.tuesday...south winds to 30 kt becoming southwest. showers
likely in the morning, then showers likely with a chance of
thunderstorms in the afternoon. waves 7 to 10 ft occasionally to
13 ft. 
.tuesday night...west winds 15 to 25 kt becoming north 10 to
20 kt. waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to
6 ft occasionally to 8 ft. 
.wednesday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.thursday...northeast winds 10 to 20 kt becoming north. waves
2 to 4 ft.  

$$