NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ643-231000-  Sheboygan to Port Washington WI-  1110 PM CDT Wed Apr 22 2026    REST OF TONIGHT  South wind 5 to 10 knots. Partly cloudy. Waves  around 1 foot.  THURSDAY  South wind 10 to 15 knots rising to 15 to 20 knots in  the afternoon. Partly sunny. Waves 1 to 2 feet building to 3 to  4 feet in the afternoon.  THURSDAY NIGHT  South wind 15 to 20 knots. Slight chance of  showers and thunderstorms through around midnight, then showers  likely and a chance of thunderstorms after midnight. Waves 4 to  6 feet.  FRIDAY  South wind 15 to 20 knots easing to 10 to 15 knots late  in the morning, then veering southwest early in the afternoon  veering west late in the afternoon. Rain showers and a chance of  thunderstorms in the morning, then showers likely and slight  chance of thunderstorms in the afternoon. Waves 4 to 6 feet  subsiding to 3 to 5 feet late in the morning, then subsiding to  3 to 4 feet in the afternoon.    $$