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Nearshore Marine Forecast

National Weather Service Milwaukee/Sullivan WI

1105 AM CDT Wed Jul 23 2025



For waters within five nautical miles of shore on Lake Michigan



LMZ643-232200-

Sheboygan to Port Washington WI-

1105 AM CDT Wed Jul 23 2025



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...



.REST OF TODAY...South wind 15 to 20 knots. Slight chance of

showers and thunderstorms early in the afternoon. Waves 3 to

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

.TONIGHT...South wind 15 to 20 knots easing to 10 to 15 knots

with gusts to around 20 knots late in the evening, then becoming

south 10 to 15 knots after midnight veering southwest early in

the morning. Mostly clear. Waves 4 to 6 feet subsiding to 3 to

4 feet in the late evening and overnight. 

.THURSDAY...Southwest wind 10 to 15 knots veering west late in

the afternoon. Chance of showers and slight chance of

thunderstorms in the morning, then showers likely and a chance of

thunderstorms in the afternoon. Waves 1 to 2 feet. 

.THURSDAY NIGHT...West wind 10 to 15 knots easing to 5 to

10 knots late in the evening, then veering northwest after

midnight veering north early in the morning. Showers likely

through around midnight. Chance of thunderstorms through the

night. Slight chance of showers after midnight. Waves 1 to

2 feet. 



$$

LMZ644-232200-

Port Washington to North Point Light WI-

1105 AM CDT Wed Jul 23 2025



.REST OF TODAY...South wind 15 to 20 knots. Mostly sunny. Waves

3 to 4 feet. 

.TONIGHT...South wind 10 to 15 knots with gusts to around

20 knots veering southwest after midnight. Mostly clear. Waves

3 to 4 feet subsiding to 1 to 2 feet after midnight. 

.THURSDAY...Southwest wind 10 to 15 knots veering west late in

the afternoon. Chance of showers and slight chance of

thunderstorms in the morning, then showers likely and a chance of

thunderstorms in the afternoon. Waves 1 to 2 feet. 

.THURSDAY NIGHT...West wind 10 to 15 knots easing to 5 to

10 knots late in the evening, then becoming west 5 to 10 knots

after midnight veering northwest early in the morning. Showers

likely and a chance of thunderstorms. Waves around 1 foot. 



$$

LMZ645-232200-

North Point Light to Wind Point WI-

1105 AM CDT Wed Jul 23 2025



.REST OF TODAY...South wind 15 to 20 knots. Mostly sunny. Waves

2 to 4 feet. 

.TONIGHT...South wind 10 to 15 knots with gusts to around

20 knots veering southwest after midnight. Mostly clear. Waves

2 to 4 feet subsiding to 1 to 2 feet in the late evening and

overnight. 

.THURSDAY...Southwest wind 10 to 15 knots. Slight chance of

showers in the morning. Showers likely and a chance of

thunderstorms in the afternoon. Waves 1 to 2 feet. 

.THURSDAY NIGHT...West wind 10 to 15 knots easing to 5 to

10 knots after midnight, then veering northwest early in the

morning. Showers likely through around midnight. Chance of

thunderstorms through the night. Chance of showers after

midnight. Waves around 1 foot. 



$$

LMZ646-232200-

Wind Point WI to Winthrop Harbor IL-

1105 AM CDT Wed Jul 23 2025



.REST OF TODAY...South wind 15 to 20 knots. Sunny. Waves 2 to

4 feet. 

.TONIGHT...South wind 10 to 15 knots with gusts to around

20 knots veering southwest after midnight. Mostly clear. Waves

2 to 4 feet subsiding to 1 to 2 feet in the late evening and

overnight. 

.THURSDAY...Southwest wind 10 to 15 knots. Showers likely and a

chance of thunderstorms in the afternoon. Waves 1 to 2 feet. 

.THURSDAY NIGHT...West wind 10 to 15 knots easing to 5 to

10 knots in the late evening and early morning, then veering

northwest early in the morning. Showers likely and a chance of

thunderstorms. Waves around 1 foot. 



$$

See Lake Michigan Open Waters Forecast for Friday through Sunday.