NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ080-669-671-673-675-777-779-870-872-874-876-878-161530-  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-  307 AM CDT Sat May 16 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    TODAY  South winds 10 to 20 kt becoming southwest. Chance of  rain showers this morning. Waves 3 to 5 ft subsiding to 2 to  4 ft.  TONIGHT  South winds 10 to 15 kt backing to east 10 to 20 kt.  Slight chance of rain showers overnight. Waves 1 to 3 ft.  SUNDAY  East winds 10 to 20 kt becoming southeast. Chance of  rain showers. Waves 2 to 4 ft.  SUNDAY NIGHT  Southeast winds 15 to 25 kt becoming south. Waves  4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally  to 10 ft.  MONDAY  South winds to 30 kt. Chance of showers in the morning,  then showers likely in the afternoon. Waves 6 to 9 ft  occasionally to 12 ft.  MONDAY NIGHT  South winds to 30 kt. Showers likely with a  chance of thunderstorms. Waves 6 to 9 ft occasionally to 12 ft.  TUESDAY  South winds to 30 kt becoming southwest. Chance of  showers. Waves 6 to 9 ft occasionally to 12 ft.  WEDNESDAY  Northwest winds 10 to 20 kt becoming north 15 to  25 kt. Waves 3 to 5 ft.    $$