NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ080-669-671-673-675-777-779-870-872-874-876-878-310915-  Lake Michigan from Michigan City IN to St. Joseph MI 5 NM  offshore to Mid Lake-  Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore  to Mid Lake-  Lake Michigan from Port Washington to North Point Light WI 5 NM  offshore to Mid Lake-  Lake Michigan from North Point Light to Wind Point WI 5 NM  offshore to Mid Lake-  Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM  offshore to Mid Lake-  Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM  offshore to Mid Lake-  Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM  offshore to Mid Lake-  Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid  Lake-  Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to  Mid Lake-  Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid  Lake-  Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid  Lake-  Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to  Mid Lake-  754 PM CDT Sun Aug 30 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    REST OF TONIGHT  South winds 10 to 20 kt. Chance of showers and  slight chance of thunderstorms this evening, then slight chance  of showers and thunderstorms overnight. Waves 3 to 5 ft subsiding  to 2 to 4 ft.  MONDAY  South winds 15 to 25 kt. Chance of showers and  thunderstorms in the morning, then slight chance of showers and  thunderstorms in the afternoon. Waves 3 to 5 ft building to 4 to  6 ft occasionally to 8 ft.  MONDAY NIGHT  Southwest winds 15 to 25 kt diminishing to 10 to  15 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to  4 ft.  TUESDAY  Southwest winds 10 to 15 kt becoming south. Waves 1 to  3 ft.  TUESDAY NIGHT  South winds 10 to 15 kt becoming southwest.  Chance of showers overnight. Waves 1 to 2 ft.  WEDNESDAY  Southwest winds 10 to 15 kt becoming south. Waves  1 to 2 ft.  WEDNESDAY NIGHT  Southeast winds 10 to 15 kt backing to north  5 to 10 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft.  THURSDAY  North winds 5 to 10 kt increasing to 10 to 15 kt.  Waves 1 to 2 ft.  FRIDAY  East winds 10 to 15 kt becoming northeast 10 to 20 kt.  Waves 1 to 2 ft.    $$