NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ080-669-671-673-675-777-779-870-872-874-876-878-170315-  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-  244 PM CDT Wed Sep 16 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    TONIGHT  Northeast winds 10 to 20 kt becoming east 10 to 15 kt,  then diminishing to 5 to 10 kt late. Chance of sprinkles this  evening, then chance of showers and slight chance of  thunderstorms overnight. Waves 1 to 3 ft.  THURSDAY  Northeast winds 5 to 10 kt becoming north 10 to  15 kt. Chance of showers in the morning. Waves 1 to 2 ft.  THURSDAY NIGHT  North winds 10 to 15 kt becoming northeast  10 to 20 kt. Waves 1 to 3 ft.  FRIDAY  East winds 10 to 20 kt diminishing to 10 to 15 kt.  Waves 2 to 4 ft.  FRIDAY NIGHT  East winds 15 to 25 kt becoming southeast to  30 kt. Chance of showers in the evening, then showers overnight.  Waves 4 to 6 ft occasionally to 8 ft building to 7 to 10 ft  occasionally to 13 ft.  SATURDAY  Southeast winds to 30 kt. Showers in the morning,  then showers with a chance of thunderstorms in the afternoon.  Waves 8 to 11 ft occasionally to 14 ft subsiding to 7 to 10 ft  occasionally to 13 ft.  SATURDAY NIGHT  Northeast winds 15 to 25 kt. Chance of showers  and thunderstorms. Waves 5 to 8 ft occasionally to 10 ft  subsiding to 4 to 7 ft occasionally to 9 ft.  SUNDAY  Northeast winds to 30 kt. Chance of showers. Waves 6 to  9 ft occasionally to 12 ft.  MONDAY  East winds 15 to 25 kt increasing to 30 kt. Chance of  showers. Waves 5 to 8 ft occasionally to 10 ft.    $$