Coastal Waters Forecast for Sheboygan to Port Washington WI (LMZ643) (Text-Only)
NWS Forecast for: Sheboygan to Port Washington WI (LMZ643)
Issued by: National Weather Service Milwaukee, WI
Last Update: 305 AM CDT Sun Jul 6 2025




Early This Morning: Southwest wind 10 to 15 knots. Mostly cloudy with a 30 percent chance of showers and thunderstorms. Patchy fog. Waves 1 to 2 feet.

Today: West wind 5 to 10 knots becoming north 10 to 15 knots with gusts to around 20 knots late in the morning, then rising to 15 to 20 knots in the afternoon. Patchy fog until late afternoon. Chance of showers in the morning. Slight chance of thunderstorms until late afternoon. Slight chance of showers early in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon.

Tonight: North wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots early in the morning. Partly cloudy. Waves 3 to 4 feet.

Monday: North wind 10 to 15 knots veering northeast early in the afternoon, then easing to 5 to 10 knots late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon.

Monday Night: Northeast wind 5 to 10 knots veering east after midnight, then veering south early in the morning. Partly cloudy. Waves around 1 foot.







Zone Forecast: Sheboygan to Port Washington WI (LMZ643)

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