NWS Marine Forecast



 Hazardous marine condition(s):
 Gale Warning
   LMZ080-669-671-673-675-777-779-870-872-874-876-878-151530-  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-  236 AM CDT Thu Oct 15 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY  NIGHT    TODAY  East winds 10 to 20 kt becoming southeast 15 to 25 kt.  Showers this afternoon. Waves 4 to 7 ft occasionally to 9 ft.  TONIGHT  Southeast winds 10 to 20 kt increasing to 15 to 25 kt  late in the evening, then veering to northwest to 30 kt  overnight. Showers in the evening, then slight chance of showers  overnight. Waves 4 to 6 ft occasionally to 8 ft building to 7 to  10 ft occasionally to 13 ft.  FRIDAY  Northwest winds to 30 kt increasing to gales to 35 kt  late in the morning, then becoming north gales to 40 kt early in  the afternoon increasing to gales to 45 kt late. Chance of  showers in the morning, then showers in the afternoon. Waves 8 to  11 ft occasionally to 14 ft building to 14 to 18 ft occasionally  to 23 ft.  FRIDAY NIGHT  North gales to 45 kt diminishing to 30 kt  overnight. Chance of rain showers in the evening. Waves 15 to  20 ft occasionally to 26 ft subsiding to 12 to 16 ft occasionally  to 21 ft.  SATURDAY  North winds 10 to 20 kt backing to southwest 15 to  25 kt. Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to  6 ft occasionally to 8 ft.  SATURDAY NIGHT  Southwest winds 15 to 25 kt increasing to  30 kt. Waves 6 to 9 ft occasionally to 12 ft.  SUNDAY  Southwest winds to 30 kt increasing to gales to 40 kt.  Waves 8 to 11 ft occasionally to 14 ft building to 8 to 12 ft  occasionally to 16 ft.  MONDAY  Southwest winds 10 to 20 kt. Waves 4 to 6 ft  occasionally to 8 ft subsiding to 3 to 5 ft.    $$