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Nearshore Marine Forecast

National Weather Service Milwaukee/Sullivan WI

111 AM CDT Sat Oct 25 2025



For waters within five nautical miles of shore on Lake Michigan



LMZ643-250900-

Sheboygan to Port Washington WI-

111 AM CDT Sat Oct 25 2025



.REST OF TONIGHT...Southwest wind 5 to 10 knots. Partly cloudy.

Waves nearly calm. 

.SATURDAY...West wind 5 knots backing south late in the morning,

then rising to 5 to 10 knots early in the afternoon backing

southeast late in the afternoon. Slight chance of showers in the

morning. Chance of showers in the afternoon. Waves around 1 foot.

.SATURDAY NIGHT...Southeast wind 5 to 10 knots rising to 10 to

15 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. 

.SUNDAY...Southeast wind 10 to 15 knots rising to 15 to 20 knots

in the late morning and afternoon. Sunny. Waves 3 to 4 feet

building to 4 to 6 feet in the afternoon. 



$$

LMZ644-250900-

Port Washington to North Point Light WI-

111 AM CDT Sat Oct 25 2025



.REST OF TONIGHT...Southwest wind 5 to 10 knots. Partly cloudy.

Waves nearly calm. 

.SATURDAY...West wind 5 knots backing south late in the morning,

then becoming southeast early in the afternoon becoming southeast

5 to 10 knots late in the afternoon. Chance of showers in the

afternoon. Waves around 1 foot. 

.SATURDAY NIGHT...Southeast wind 5 to 10 knots rising to 10 to

15 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. 

.SUNDAY...Southeast wind 10 to 15 knots rising to 15 to 20 knots

late in the morning, then becoming 10 to 20 knots early in the

afternoon becoming southeast 10 to 20 knots late in the

afternoon. Sunny. Waves 3 to 4 feet building to 4 to 6 feet in

the afternoon. 



$$

LMZ645-250900-

North Point Light to Wind Point WI-

111 AM CDT Sat Oct 25 2025



.REST OF TONIGHT...Southwest wind 5 knots. Partly cloudy. Waves

nearly calm. 

.SATURDAY...South wind 5 knots rising to 5 to 10 knots late in

the morning, then backing southeast early in the afternoon

becoming southeast 5 to 10 knots late in the afternoon. Chance of

showers in the afternoon. Waves around 1 foot. 

.SATURDAY NIGHT...Southeast wind 5 to 10 knots rising to 10 to

15 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. 

.SUNDAY...Southeast wind 10 to 20 knots becoming 15 to 20 knots

late in the morning, then becoming southeast 15 to 20 knots early

in the afternoon backing east late in the afternoon. Sunny. Waves

3 to 4 feet building to 4 to 6 feet in the afternoon. 



$$

LMZ646-250900-

Wind Point WI to Winthrop Harbor IL-

111 AM CDT Sat Oct 25 2025



.REST OF TONIGHT...South wind 5 knots. Partly cloudy. Waves

nearly calm. 

.SATURDAY...Southeast wind 5 knots becoming south late in the

morning, then backing southeast early in the afternoon becoming

southeast 5 to 10 knots late in the afternoon. Slight chance of

showers in the afternoon. Waves around 1 foot. 

.SATURDAY NIGHT...East wind 5 to 10 knots rising to 10 to

15 knots late in the evening, then becoming southeast 5 to

10 knots after midnight rising to 10 to 15 knots early in the

morning. Partly cloudy. Waves 1 to 2 feet. 

.SUNDAY...Southeast wind 15 to 20 knots backing east late in the

afternoon. Sunny. Waves 3 to 4 feet building to 4 to 6 feet in

the afternoon. 



$$

See Lake Michigan Open Waters Forecast for Monday through Wednesday.