fzus63 kmkx 030136
glflm 
expires:202604030915;;735486

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
836 pm cdt thu apr 2 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 29.4 inches will track across the midsection 
of the lake tonight, ending the gales over the northern end of the
lake, while southerly gales will continue south until a cold 
front sweeps through midnight cdt. winds will then become west 
to northwesterly overnight and then light and variable for a time
midday friday as a weak surface ridge passes over the lake. 

winds will then become northeasterly friday night as a weaker
low pressure around 29.8 inches occludes and passes over the 
southern end of the lake through early saturday. easterly winds 
over the northern end of the lake may reach gale force saturday 
morning. winds then veer southwesterly through saturday following 
the surface low.


lmz366-565-567-868-030915-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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-
836 pm cdt thu apr 2 2026

sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...

...gale warning in effect until 1 am cdt friday...

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

$$

fzus63 kmkx 030136
glflm 
expires:202604030915;;735487

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
836 pm cdt thu apr 2 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 29.4 inches will track across the midsection 
of the lake tonight, ending the gales over the northern end of the
lake, while southerly gales will continue south until a cold 
front sweeps through midnight cdt. winds will then become west 
to northwesterly overnight and then light and variable for a time
midday friday as a weak surface ridge passes over the lake. 

winds will then become northeasterly friday night as a weaker
low pressure around 29.8 inches occludes and passes over the 
southern end of the lake through early saturday. easterly winds 
over the northern end of the lake may reach gale force saturday 
morning. winds then veer southwesterly through saturday following 
the surface low.


lmz080-669-671-673-675-777-779-870-872-874-876-878-030915-
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-
836 pm cdt thu apr 2 2026

sheboygan wi to pentwater mi south...

...gale warning in effect until 1 am cdt friday...

.rest of tonight...south gales to 40 kt becoming southwest after
midnight, then becoming west to 30 kt late. rain showers likely
with a chance of thunderstorms through early evening, then chance
of thunderstorms and slight chance of rain showers overnight.
waves 7 to 10 ft occasionally to 13 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.friday...west winds 10 to 20 kt veering to northeast. waves 4 to
7 ft occasionally to 9 ft subsiding to 2 to 4 ft. 
.friday night...northeast winds 10 to 20 kt becoming southeast
15 to 25 kt. rain showers likely with a chance of thunderstorms
in the evening, then rain showers with a chance of thunderstorms
overnight. waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft. 
.saturday...south winds 15 to 25 kt becoming southwest. rain
showers likely in the morning, then chance of rain showers in the
afternoon. waves 4 to 6 ft occasionally to 8 ft. 
.saturday night...west winds 15 to 25 kt increasing 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. waves 6 to 9 ft occasionally
to 12 ft. 
.sunday night...west winds 10 to 15 kt increasing to 10 to 20 kt.
waves 3 to 5 ft. 
.monday...northwest winds 10 to 20 kt. waves 3 to 5 ft. 
.tuesday...north winds 15 to 25 kt diminishing to 10 to 15 kt.
waves 8 to 11 ft occasionally to 14 ft subsiding to 5 to 8 ft
occasionally to 10 ft.  

$$