Sheboygan to Port Washington WI Marine Forecast

NOAA marine forecast

Text forecast

Updated 5:10am CDT Oct 11, 2026

Small Craft Advisory In Effect Until 7 Am Cdt This Morning

Today

South wind 10 to 15 knots rising to 15 to 20 knots in the late morning and early afternoon, then becoming south 15 to 20 knots late in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 3 to 4 feet in the late morning and afternoon.

Tonight

South wind 10 to 20 knots becoming 10 to 15 knots late in the evening, then becoming south 10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.

Monday

South wind 10 to 15 knots veering southwest late in the morning, then backing south in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon.

Monday Night

South wind 10 to 15 knots becoming southwest 5 to 10 knots late in the evening, then rising to 10 to 15 knots after midnight becoming southwest 10 to 15 knots early in the morning.

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Interactive Mapbox map highlighting marine forecast zone LMZ643.