NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ080-669-671-673-675-777-779-870-872-874-876-878-171530-  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-  305 AM CDT Sun May 17 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    TODAY  East winds 15 to 25 kt diminishing to 10 to 20 kt.  Patchy fog this morning. Chance of rain showers and  thunderstorms. Waves 2 to 4 ft.  TONIGHT  Southeast winds 10 to 20 kt becoming south 15 to  25 kt. Waves 2 to 4 ft building to 4 to 7 ft occasionally to  9 ft.  MONDAY  South winds to 30 kt. Showers likely with a chance of  thunderstorms. Waves 6 to 9 ft occasionally to 12 ft.  MONDAY NIGHT  South winds 15 to 25 kt increasing to 30 kt.  Showers likely with a chance of thunderstorms in the evening,  then chance of showers and thunderstorms overnight. Waves 5 to  8 ft occasionally to 10 ft.  TUESDAY  South winds to 30 kt becoming southwest. Chance of  showers and thunderstorms. Waves 7 to 10 ft occasionally to  13 ft.  TUESDAY NIGHT  West winds 15 to 25 kt becoming northwest 10 to  20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to  6 ft occasionally to 8 ft.  WEDNESDAY  North winds 10 to 20 kt. Waves 3 to 5 ft.  THURSDAY  Northeast winds 10 to 15 kt becoming north 10 to  20 kt. Waves 1 to 3 ft.    $$