fzus63 kmkx 130751
glflm 
expires:202606131515;;663034

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
251 am cdt sat jun 13 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...

low pressure around 29.2 inches in the hudson bay area will 
continue to bring modest to breezy southwest winds to lake 
michigan today. a cold front will then move north to south across
the lake this evening into tonight, with winds become 
northwesterly. light southwest winds will then return on monday 
before low pressure develops in the northern great plains and 
brings gusty south winds to the lake for tuesday and wednesday. 
winds may become higher later wednesday into wednesday night as 
low pressure moves through the area. a few gales are possible. 
winds then shift to the northwest as low pressure exits on 
thursday.


lmz261-362-364-366-563-565-567-868-131515-
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-
251 am cdt sat jun 13 2026

sheboygan wi to pentwater mi north...

.today...southwest winds to 30 kt. chance of showers and slight
chance of thunderstorms. waves 4 to 6 ft occasionally to 8 ft. 
.tonight...west winds 10 to 20 kt becoming northwest 10 to 15 kt.
chance of showers in the evening, then slight chance of showers
overnight. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.sunday...northwest winds 10 to 20 kt becoming west 15 to 25 kt.
waves 2 to 4 ft. 
.sunday night...west winds 10 to 20 kt. waves 2 to 4 ft. 
.monday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft. 
.monday night...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.tuesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 3 to 5 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south. waves
1 to 3 ft building to 2 to 4 ft.  

$$

fzus63 kmkx 130751
glflm 
expires:202606131515;;663035

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
251 am cdt sat jun 13 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...

low pressure around 29.2 inches in the hudson bay area will 
continue to bring modest to breezy southwest winds to lake 
michigan today. a cold front will then move north to south across
the lake this evening into tonight, with winds become 
northwesterly. light southwest winds will then return on monday 
before low pressure develops in the northern great plains and 
brings gusty south winds to the lake for tuesday and wednesday. 
winds may become higher later wednesday into wednesday night as 
low pressure moves through the area. a few gales are possible. 
winds then shift to the northwest as low pressure exits on 
thursday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-131515-
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-
251 am cdt sat jun 13 2026

sheboygan wi to pentwater mi south...

.today...southwest winds 10 to 20 kt becoming south to 30 kt,
then becoming southwest 15 to 25 kt late. chance of showers this
afternoon. waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft. 
.tonight...southwest winds 10 to 20 kt veering to northwest.
chance of showers and thunderstorms in the evening, then chance
of showers and slight chance of thunderstorms overnight. waves
3 to 5 ft subsiding to 2 to 4 ft. 
.sunday...northwest winds 10 to 20 kt. chance of showers in the
morning. waves 3 to 5 ft. 
.sunday night...west winds 10 to 20 kt. waves 2 to 4 ft. 
.monday...west winds 10 to 20 kt becoming southwest. waves 2 to
4 ft. 
.monday night...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.tuesday...southwest winds 10 to 20 kt becoming south to 30 kt.
chance of showers and thunderstorms. waves 3 to 5 ft.
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. chance of showers and thunderstorms. waves 3 to 5 ft. 

$$