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Nearshore Marine Forecast

National Weather Service Milwaukee/Sullivan WI

105 PM CDT Wed Jul 23 2025



For waters within five nautical miles of shore on Lake Michigan



LMZ643-232200-

Sheboygan to Port Washington WI-

105 PM 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 with gusts to around

25 knots. Mostly sunny. Waves 4 to 6 feet. 

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

after midnight. 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. Slight chance of showers and thunderstorms in the

morning, then chance of showers and thunderstorms in the

afternoon. Waves 1 to 2 feet. 

.THURSDAY NIGHT...West wind 10 to 15 knots becoming northwest

5 to 10 knots late in the evening, then veering north after

midnight becoming north 5 to 10 knots early in the morning.

Chance of thunderstorms through around midnight. Chance of

showers through the night. Waves 1 to 2 feet. 



$$

LMZ644-232200-

Port Washington to North Point Light WI-

105 PM CDT Wed Jul 23 2025



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

3 to 4 feet. 

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

late in the evening, then 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. Slight chance of showers and thunderstorms in the

morning, then chance of showers and thunderstorms in the

afternoon. Waves 1 to 2 feet. 

.THURSDAY NIGHT...West wind 10 to 15 knots becoming northwest

5 to 10 knots late in the evening, then veering north after

midnight becoming north 5 to 10 knots early in the morning.

Chance of thunderstorms through around midnight. Chance of

showers through the night. Slight chance of thunderstorms after

midnight. Waves around 1 foot. 



$$

LMZ645-232200-

North Point Light to Wind Point WI-

105 PM 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 veering west with gusts

to around 20 knots late in the afternoon. Chance of showers and

thunderstorms in the afternoon. Waves 1 to 2 feet. 

.THURSDAY NIGHT...West wind 10 to 15 knots veering northwest late

in the evening, then becoming north 5 to 10 knots after midnight.

Chance of thunderstorms through around midnight. Chance of

showers through the night. Slight chance of thunderstorms after

midnight. Waves around 1 foot. 



$$

LMZ646-232200-

Wind Point WI to Winthrop Harbor IL-

105 PM 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. Chance of showers and

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 and a

chance of thunderstorms. Waves around 1 foot. 



$$

See Lake Michigan Open Waters Forecast for Friday through Sunday.