NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ080-669-671-673-675-777-779-870-872-874-876-878-181515-  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-  313 AM CDT Sat Apr 18 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS  MORNING    TODAY  West winds to 30 kt diminishing to 15 to 25 kt. Slight  chance of rain showers this morning. Waves 4 to 6 ft occasionally  to 8 ft.  TONIGHT  West winds 15 to 25 kt diminishing to 10 to 20 kt.  Waves 4 to 6 ft occasionally to 8 ft.  SUNDAY  West winds 10 to 20 kt becoming northwest. Waves 3 to  5 ft.  SUNDAY NIGHT  North winds 10 to 20 kt becoming northeast 10 to  15 kt. Waves 2 to 4 ft.  MONDAY  East winds 5 to 10 kt becoming southeast 10 to 20 kt in  the afternoon. Waves 1 to 2 ft building to 2 to 4 ft.  MONDAY NIGHT  Southeast winds 15 to 25 kt becoming south to  30 kt. Waves 4 to 7 ft occasionally to 9 ft.  TUESDAY  South winds to 30 kt diminishing to 10 to 20 kt. Waves  4 to 7 ft occasionally to 9 ft.  WEDNESDAY  Northeast winds 10 to 15 kt diminishing to 5 to  10 kt. Waves 2 to 4 ft.    $$