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 AM CDT Thu Sep 3 2026




Rest Of Today: Southeast wind 5 to 10 knots backing northeast early in the afternoon, then veering east late in the afternoon. Chance of showers and thunderstorms. Waves around 1 foot.

Tonight: Southeast wind 5 to 10 knots backing east late in the evening, then becoming east 5 to 10 knots after midnight. Showers likely through around midnight. Chance of thunderstorms through the night. Showers after midnight. Waves around 1 foot.

Friday: Southeast wind 5 to 10 knots backing east late in the afternoon. Chance of thunderstorms in the morning. Slight chance of showers through the day. Waves around 1 foot.

Friday Night: Northeast wind 10 to 15 knots easing to 5 to 10 knots after midnight, then becoming northeast 5 to 10 knots early in the morning. Slight chance of showers through around midnight. Slight chance of thunderstorms through the night. Chance of showers after midnight. Waves around 1 foot.







Zone Forecast: Sheboygan to Port Washington WI (LMZ643)

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