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: 910 PM CDT Wed Aug 26 2026
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Rest Of Tonight: Northwest wind 5 to 10 knots rising to 10 to 15 knots after midnight, then becoming northwest 10 to 15 knots early in the morning. Partly cloudy. Waves around 1 foot.

Thursday: Northwest wind 10 to 15 knots veering east late in the afternoon. Sunny. Waves around 1 foot.

Thursday Night: East wind 5 to 10 knots. Partly cloudy. Waves around 1 foot.

Friday: East wind 5 to 10 knots veering southeast late in the morning, then rising to 10 to 15 knots early in the afternoon becoming southeast 10 to 15 knots late in the afternoon. Sunny. Waves 1 to 2 feet.







Zone Forecast: Sheboygan to Port Washington WI (LMZ643)

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