fzus63 kmkx 040159
glflm 
expires:202604040930;;792830

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 pm cdt fri apr 3 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...

northeasterly winds will continue to gust near 30 kt throughout
tonight, with a few gales expected in the far northern portions of
the lake early saturday morning. winds will gradually veer through
the day saturday as low pressure around 29.6 inches crosses the
northern portions of the lake. a few thunderstorms are expected
across the southern half of the lake tonight, with an isolated
storm becoming capable of producing hail. as low pressure exits 
into ontario and deepens to 29.3 inches, expect winds to become 
westerly and gust again around 30 kt through saturday night.

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.


lmz261-362-364-366-563-565-567-868-040930-
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-
859 pm cdt fri apr 3 2026

sheboygan wi to pentwater mi north...

.rest of tonight...northeast winds 15 to 25 kt becoming east to
30 kt. chance of rain showers and slight chance of light freezing
rain through early evening, then rain showers with possible
freezing rain and thunderstorms likely overnight. waves 3 to 5 ft
building to 4 to 7 ft occasionally to 9 ft. 
.saturday...east gales to 35 kt veering to southwest to 30 kt.
rain showers and freezing rain in the morning, then chance of
rain showers in the afternoon. waves 5 to 8 ft occasionally to
10 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.saturday night...southwest winds to 30 kt becoming west. waves
6 to 9 ft occasionally to 12 ft. 
.sunday...northwest winds to 30 kt. waves 7 to 10 ft occasionally
to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft. 
.sunday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 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 gales to 35 kt diminishing to 30 kt. waves
8 to 12 ft occasionally to 16 ft. 
.tuesday...northwest winds 15 to 25 kt backing to southwest 10 to
15 kt. waves 6 to 9 ft occasionally to 12 ft subsiding to 2 to
4 ft. 
.wednesday...south gales to 40 kt. chance of rain and snow
showers. waves 12 to 16 ft occasionally to 21 ft building to
14 to 18 ft occasionally to 23 ft.  

$$

fzus63 kmkx 040159
glflm 
expires:202604040930;;792831

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 pm cdt fri apr 3 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...

northeasterly winds will continue to gust near 30 kt throughout
tonight, with a few gales expected in the far northern portions of
the lake early saturday morning. winds will gradually veer through
the day saturday as low pressure around 29.6 inches crosses the
northern portions of the lake. a few thunderstorms are expected
across the southern half of the lake tonight, with an isolated
storm becoming capable of producing hail. as low pressure exits 
into ontario and deepens to 29.3 inches, expect winds to become 
westerly and gust again around 30 kt through saturday night.

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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-040930-
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-
859 pm cdt fri apr 3 2026

sheboygan wi to pentwater mi south...

.rest of tonight...northeast winds 15 to 25 kt becoming east to
30 kt. chance of rain showers and thunderstorms through early
evening, then rain showers with a chance of thunderstorms
overnight. waves 3 to 5 ft building to 4 to 7 ft occasionally to
9 ft. 
.saturday...southeast winds to 30 kt veering to west. chance of
rain showers and thunderstorms in the morning, then slight chance
of rain showers in the afternoon. waves 4 to 7 ft occasionally to
9 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.saturday night...west winds to 30 kt. waves 5 to 8 ft
occasionally to 10 ft building to 7 to 10 ft occasionally to
13 ft. 
.sunday...northwest winds to 30 kt. waves 8 to 11 ft occasionally
to 14 ft subsiding to 7 to 10 ft occasionally to 13 ft. 
.sunday night...west winds 10 to 15 kt. waves 3 to 5 ft. 
.monday...northwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft. 
.monday night...north winds to 30 kt. waves 8 to 12 ft
occasionally to 16 ft. 
.tuesday...north winds 15 to 25 kt becoming northeast 5 to 10 kt.
waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.wednesday...south gales to 35 kt increasing to gales to 40 kt.
chance of snow showers. waves 12 to 16 ft occasionally to 21 ft. 

$$