NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ080-669-671-673-675-777-779-870-872-874-876-878-310930-  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-  911 PM CDT Thu Jul 30 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    REST OF TONIGHT  South winds 10 to 20 kt becoming southwest  10 to 15 kt. Waves 1 to 3 ft.  FRIDAY  Southwest winds 5 to 10 kt becoming southeast. Slight  chance of showers in the afternoon. Waves 1 to 2 ft.  FRIDAY NIGHT  East winds 10 to 15 kt increasing to 15 to 25 kt.  Chance of showers in the evening, then showers likely overnight.  Waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft.  SATURDAY  East winds to 30 kt becoming northeast. Showers  likely. Waves 4 to 7 ft occasionally to 9 ft.  SATURDAY NIGHT  Northeast winds to 30 kt. Chance of showers in  the evening. Waves 5 to 8 ft occasionally to 10 ft.  SUNDAY  North winds to 30 kt. Waves 7 to 10 ft occasionally to  13 ft.  SUNDAY NIGHT  North winds to 30 kt becoming northeast 10 to  20 kt. Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to  7 ft occasionally to 9 ft.  MONDAY  Northeast winds 10 to 15 kt becoming north 10 to 20 kt.  Waves 2 to 4 ft subsiding to 1 to 3 ft.  TUESDAY  South winds 10 to 15 kt increasing to 10 to 20 kt.  Waves 1 to 2 ft.    $$