fzus63 kmkx 021947
glflm 
expires:202604030330;;721723

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
247 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...

southerly gales will develop over the southern two thirds of lake
michigan late this afternoon and early evening, while easterly
gales will continue over the northern one third, as low pressure 
of 29.4 inches approaches from southern iowa. this low will pass 
over 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. 

winds will then become west to northwesterly tonight 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 of 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.



lmz366-565-567-868-030330-
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-
247 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...

.tonight...south gales to 35 kt becoming southwest to 30 kt after
midnight, then becoming west 15 to 25 kt late. rain showers
likely with a chance of thunderstorms this evening, then chance
of thunderstorms and slight chance of rain showers overnight.
waves 7 to 10 ft occasionally to 13 ft building to 8 to 12 ft
occasionally to 16 ft, then subsiding to 7 to 10 ft occasionally
to 13 ft. 
.friday...west winds 10 to 20 kt diminishing to 10 to 15 kt late
in the morning, then becoming northwest 5 to 10 kt early in the
afternoon becoming northeast 10 to 15 kt late. waves 5 to 8 ft
occasionally to 10 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 6 to 9 ft occasionally to 12 ft. 
.sunday night...west winds 10 to 15 kt becoming northwest. waves
2 to 4 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 021947
glflm 
expires:202604030330;;721724

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
247 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...

southerly gales will develop over the southern two thirds of lake
michigan late this afternoon and early evening, while easterly
gales will continue over the northern one third, as low pressure 
of 29.4 inches approaches from southern iowa. this low will pass 
over 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. 

winds will then become west to northwesterly tonight 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 of 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.



lmz080-669-671-673-675-777-779-870-872-874-876-878-030330-
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-
247 pm cdt thu apr 2 2026

sheboygan wi to pentwater mi south...

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

.tonight...south gales to 35 kt becoming west to 30 kt. rain
showers likely with a chance of thunderstorms this evening, then
chance of thunderstorms and slight chance of rain showers
overnight. waves 8 to 11 ft occasionally to 14 ft building to
8 to 12 ft occasionally to 16 ft, then subsiding to 7 to 10 ft
occasionally to 13 ft. 
.friday...west winds 10 to 20 kt becoming northwest 10 to 15 kt
late in the morning, then becoming north 5 to 10 kt early in the
afternoon becoming northeast 10 to 15 kt late. waves 5 to 8 ft
occasionally to 10 ft subsiding to 1 to 3 ft. 
.friday night...northeast winds 10 to 20 kt becoming southeast
15 to 25 kt. rain showers likely 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 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 subsiding to 2 to 4 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.  

$$