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Nearshore Marine Forecast

National Weather Service Milwaukee/Sullivan WI

305 AM CDT Sun Jul 20 2025



For waters within five nautical miles of shore on Lake Michigan



LMZ643-202100-

Sheboygan to Port Washington WI-

305 AM CDT Sun Jul 20 2025



.EARLY THIS MORNING...North wind 15 to 20 knots. Mostly cloudy.

Waves 1 to 2 feet building to 2 to 4 feet early in the morning. 

.TODAY...Northeast wind 10 to 15 knots. Partly sunny in the

morning then clearing. Waves 2 to 4 feet subsiding to 1 to 3 feet

late in the afternoon. 

.TONIGHT...Northeast wind 10 to 15 knots. Mostly clear. Waves

1 to 2 feet. 

.MONDAY...East wind 10 to 15 knots backing northeast late in the

afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet late

in the afternoon. 

.MONDAY NIGHT...Northeast wind 10 to 15 knots veering southeast

early in the morning. Mostly clear. Waves 1 to 2 feet building to

2 to 4 feet early in the morning. 



$$

LMZ644-202100-

Port Washington to North Point Light WI-

305 AM CDT Sun Jul 20 2025



.EARLY THIS MORNING...North wind 10 to 15 knots. Mostly cloudy.

Waves around 1 foot building to 2 to 4 feet early in the morning.

.TODAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 2 to

4 feet. 

.TONIGHT...Northeast wind 10 to 15 knots. Mostly clear. Waves

1 to 3 feet building to 2 to 4 feet early in the morning. 

.MONDAY...East wind 10 to 15 knots with gusts to around 20 knots

becoming east 10 to 15 knots in the late morning and early

afternoon, then backing northeast late in the afternoon. Sunny.

Waves 2 to 4 feet. 

.MONDAY NIGHT...Northeast wind 10 to 15 knots veering southeast

early in the morning. Mostly clear. Waves 1 to 3 feet building to

2 to 4 feet early in the morning. 



$$

LMZ645-202100-

North Point Light to Wind Point WI-

305 AM CDT Sun Jul 20 2025



.EARLY THIS MORNING...North wind 10 to 15 knots becoming 10 to

20 knots early in the morning. Cloudy. Waves around 1 foot

building to 2 to 4 feet early in the morning. 

.TODAY...Northeast wind 15 to 20 knots easing to 10 to 15 knots

in the late morning and early afternoon, then backing north late

in the afternoon. Cloudy in the morning then becoming partly

sunny. Waves 3 to 4 feet. 

.TONIGHT...North wind 10 to 15 knots veering northeast early in

the morning. Partly cloudy. Waves 2 to 4 feet. 

.MONDAY...East wind 15 to 20 knots easing to 10 to 15 knots in

the late morning and early afternoon, then backing northeast late

in the afternoon. Sunny. Waves 2 to 4 feet. 

.MONDAY NIGHT...Northeast wind 10 to 15 knots veering southeast

early in the morning. Mostly clear. Waves 1 to 3 feet building to

2 to 4 feet early in the morning. 



$$

LMZ646-202100-

Wind Point WI to Winthrop Harbor IL-

305 AM CDT Sun Jul 20 2025



.EARLY THIS MORNING...North wind 10 to 15 knots becoming 10 to

20 knots early in the morning. Cloudy. Waves around 1 foot

building to 2 to 4 feet early in the morning. 

.TODAY...Northeast wind 15 to 20 knots easing to 10 to 15 knots

in the late morning and early afternoon, then backing north late

in the afternoon. Cloudy in the morning then becoming partly

sunny. Waves 3 to 4 feet. 

.TONIGHT...North wind 10 to 15 knots veering northeast early in

the morning. Partly cloudy. Waves 2 to 4 feet. 

.MONDAY...East wind 10 to 15 knots backing northeast late in the

afternoon. Sunny. Waves 2 to 4 feet. 

.MONDAY NIGHT...Northeast wind 10 to 15 knots veering southeast

early in the morning. Partly cloudy. Waves 1 to 3 feet. 



$$

See Lake Michigan Open Waters Forecast for Tuesday through Thursday.