NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ080-669-671-673-675-777-779-870-872-874-876-878-180315-  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-  246 PM CDT Thu Sep 17 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    TONIGHT  North winds 10 to 20 kt becoming northeast. Slight  chance of drizzle this evening. Waves 2 to 4 ft.  FRIDAY  East winds 10 to 20 kt becoming northeast. Waves 3 to  5 ft.  FRIDAY NIGHT  East winds 10 to 20 kt increasing to 30 kt.  Chance of showers in the evening, then showers overnight. Waves  2 to 4 ft building to 6 to 9 ft occasionally to 12 ft.  SATURDAY  Southeast winds to 30 kt. Showers. Waves 8 to 11 ft  occasionally to 14 ft.  SATURDAY NIGHT  East winds 10 to 20 kt becoming northeast.  Showers. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to  6 ft occasionally to 8 ft.  SUNDAY  Northeast winds 15 to 25 kt increasing to 30 kt. Chance  of showers. Waves 6 to 9 ft occasionally to 12 ft building to  8 to 11 ft occasionally to 14 ft.  SUNDAY NIGHT  Northeast winds to 30 kt becoming east. Chance of  showers. Waves 8 to 12 ft occasionally to 16 ft subsiding to 7 to  10 ft occasionally to 13 ft.  MONDAY  East winds to 30 kt becoming northeast. Chance of  showers. Waves 8 to 11 ft occasionally to 14 ft building to 8 to  12 ft occasionally to 16 ft.  TUESDAY  East winds 15 to 25 kt becoming northeast. Waves 6 to  9 ft occasionally to 12 ft.    $$