NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ080-669-671-673-675-777-779-870-872-874-876-878-152115-  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-  849 AM CDT Fri May 15 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    REST OF TODAY  South winds 15 to 25 kt increasing to 30 kt.  Waves 2 to 4 ft building to 5 to 8 ft occasionally to 10 ft.  TONIGHT  South winds to 30 kt diminishing to 10 to 20 kt.  Chance of showers and thunderstorms overnight. Waves 6 to 9 ft  occasionally to 12 ft subsiding to 4 to 7 ft occasionally to  9 ft.  SATURDAY  South winds 10 to 20 kt diminishing to 10 to 15 kt.  Chance of showers in the morning. Waves 3 to 5 ft subsiding to  2 to 4 ft.  SATURDAY NIGHT  South winds 5 to 10 kt becoming southeast 10 to  15 kt. Chance of showers overnight. Waves 1 to 2 ft.  SUNDAY  Southeast winds 10 to 20 kt increasing to 15 to 25 kt.  Chance of showers in the morning. Waves 2 to 4 ft building to  4 to 6 ft occasionally to 8 ft.  SUNDAY NIGHT  South winds 15 to 25 kt. Waves 5 to 8 ft  occasionally to 10 ft.  MONDAY  South winds to 30 kt. Chance of showers. Waves 6 to  9 ft occasionally to 12 ft.  TUESDAY  South winds to 30 kt becoming southwest. Chance of  showers. Waves 7 to 10 ft occasionally to 13 ft.    $$