fzus63 kmkx 040754
glflm 
expires:202604041530;;807108

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
254 am cdt sat apr 4 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...

east to northeast winds will continue to gust near 30 kt through 
the morning, with a few gales expected in the far northern 
portions of the lake. winds will gradually veer through the day 
as low pressure around 29.6 inches crosses the northern portions 
of the lake. scattered thunderstorms over the south half of the 
lake will move out by daybreak. as low pressure exits into 
ontario and deepens to 29.3 inches, expect winds to become 
westerly and gust again around 30 kt through tonight.

winds veer northwesterly and gradually diminish through sunday as
low pressure exits into northern quebec. a weak low around 30.0
inches in southern quebec will bring gusty conditions again 
sunday night into monday morning, with winds remaining
northwesterly. as low pressure exits into monday night, expect a
few gales to develop and winds to shift northerly. high pressure
builds into the upper midwest into tuesday, with winds becoming
light and variable. winds shift back to southerly as low pressure
develops in the northern plains into wednesday.


lmz261-362-364-366-563-565-567-868-041530-
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-
254 am cdt sat apr 4 2026

sheboygan wi to pentwater mi north...

.today...east winds to 30 kt with a few gale force gusts up to 35
kt, veering to southwest to 30 kt in the afternoon. rain showers 
and freezing rain. waves 5 to 8 ft occasionally to 10 ft 
subsiding to 4 to 6 ft occasionally to 8 ft.
.tonight...southwest winds to 30 kt becoming west. waves 4 to
6 ft occasionally to 8 ft building to 6 to 9 ft occasionally to
12 ft. 
.sunday...northwest winds to 30 kt becoming west 15 to 25 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 3 to 5 ft. 
.sunday night...west winds 10 to 20 kt diminishing to 10 to
15 kt. chance of rain showers in the evening. waves 2 to 4 ft. 
.monday...northwest winds 10 to 20 kt increasing to 30 kt in the
afternoon. chance of snow showers in the afternoon. waves 2 to
4 ft building to 4 to 7 ft occasionally to 9 ft. 
.monday night...north gales to 35 kt diminishing to 30 kt. waves
8 to 11 ft occasionally to 14 ft. 
.tuesday...northwest winds 15 to 25 kt backing to southwest 10 to
15 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 1 to
3 ft. 
.wednesday...south gales to 35 kt. chance of rain and snow
showers. waves 12 to 16 ft occasionally to 21 ft.  

$$

fzus63 kmkx 040754
glflm 
expires:202604041530;;807109

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
254 am cdt sat apr 4 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...

east to northeast winds will continue to gust near 30 kt through 
the morning, with a few gales expected in the far northern 
portions of the lake. winds will gradually veer through the day 
as low pressure around 29.6 inches crosses the northern portions 
of the lake. scattered thunderstorms over the south half of the 
lake will move out by daybreak. as low pressure exits into 
ontario and deepens to 29.3 inches, expect winds to become 
westerly and gust again around 30 kt through tonight.

winds veer northwesterly and gradually diminish through sunday as
low pressure exits into northern quebec. a weak low around 30.0
inches in southern quebec will bring gusty conditions again 
sunday night into monday morning, with winds remaining
northwesterly. as low pressure exits into monday night, expect a
few gales to develop and winds to shift northerly. high pressure
builds into the upper midwest into tuesday, with winds becoming
light and variable. winds shift back to southerly as low pressure
develops in the northern plains into wednesday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-041530-
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-
254 am cdt sat apr 4 2026

sheboygan wi to pentwater mi south...

.today...southeast winds to 30 kt veering to southwest in the
afternoon. rain showers likely with slight chance of 
thunderstorms this morning, then slight chance of rain showers 
this afternoon. waves 5 to 8 ft occasionally to 10 ft subsiding to
4 to 6 ft occasionally to 8 ft. 
.tonight...west winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft building to 6 to 9 ft occasionally to 12 ft. 
.sunday...northwest winds to 30 kt becoming west 10 to 20 kt.
waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.sunday night...west winds 10 to 15 kt increasing to 10 to 20 kt.
chance of rain showers. waves 3 to 5 ft. 
.monday...northwest winds 10 to 20 kt increasing to 30 kt in the
afternoon. waves 3 to 5 ft building to 4 to 7 ft occasionally to
9 ft. 
.monday night...north winds to 30 kt. waves 8 to 11 ft
occasionally to 14 ft. 
.tuesday...north winds 15 to 25 kt becoming northeast 5 to 10 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 3 to 5 ft. 
.wednesday...south gales to 35 kt. waves 10 to 14 ft occasionally
to 18 ft.  

$$