NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ080-669-671-673-675-777-779-870-872-874-876-878-210300-  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-  403 PM CDT Mon Jul 20 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    TONIGHT  South winds to 30 kt becoming west. Patchy smoke this  evening. Chance of showers and thunderstorms. Waves 5 to 8 ft  occasionally to 10 ft.  TUESDAY  West winds to 30 kt becoming northwest. Slight chance  of showers in the afternoon. Waves 4 to 7 ft occasionally to 9 ft  subsiding to 4 to 6 ft occasionally to 8 ft.  TUESDAY NIGHT  North winds to 30 kt. Waves 4 to 7 ft  occasionally to 9 ft building to 7 to 10 ft occasionally to  13 ft.  WEDNESDAY  North winds to 30 kt. Waves 7 to 10 ft occasionally  to 13 ft.  WEDNESDAY NIGHT  North winds to 30 kt backing to west 5 to  10 kt overnight. Waves 4 to 7 ft occasionally to 9 ft subsiding  to 2 to 4 ft.  THURSDAY  West winds 10 to 15 kt becoming southwest 10 to  20 kt. Waves 1 to 2 ft.  THURSDAY NIGHT  South winds 10 to 20 kt becoming southwest.  Waves 1 to 3 ft.  FRIDAY  Southwest winds 10 to 15 kt becoming south 10 to 20 kt.  Waves 1 to 3 ft.  SATURDAY  Southwest winds 10 to 20 kt becoming south 15 to  25 kt. Waves 1 to 2 ft building to 2 to 4 ft.    $$