NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ080-669-671-673-675-870-872-874-876-878-220300-  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 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-  313 PM CDT Fri Aug 21 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH TO WINTHROP HARBOR IL TO SOUTH  HAVEN MI...    TONIGHT  South winds 10 to 20 kt veering to northwest. Chance  of showers and thunderstorms this evening, then chance of showers  and slight chance of thunderstorms overnight. Waves 3 to 5 ft  subsiding to 2 to 4 ft.  SATURDAY  Northwest winds 10 to 20 kt becoming north 15 to  25 kt. Slight chance of showers and thunderstorms in the  afternoon. Waves 4 to 6 ft occasionally to 8 ft.  SATURDAY NIGHT  North winds 15 to 25 kt. Waves 4 to 6 ft  occasionally to 8 ft.  SUNDAY  North winds to 30 kt. Waves 5 to 8 ft occasionally to  10 ft.  SUNDAY NIGHT  North winds 15 to 25 kt becoming northwest 10 to  15 kt overnight. Waves 4 to 6 ft occasionally to 8 ft subsiding  to 2 to 4 ft.  MONDAY  North winds 10 to 15 kt. Waves 1 to 2 ft.  MONDAY NIGHT  East winds 5 to 10 kt veering to south. Waves  1 to 2 ft.  TUESDAY  South winds 10 to 20 kt increasing to 15 to 25 kt.  Waves 1 to 3 ft building to 2 to 4 ft.  WEDNESDAY  Southwest winds 15 to 25 kt. Waves 3 to 5 ft.    $$