NWS Marine Forecast

   LMZ080-669-671-673-675-777-779-870-872-874-876-878-191030-  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 PM CST Sun Jan 18 2026    SHEBOYGAN WI TO PENTWATER MI SOUTH...    GALE WARNING IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH  MONDAY AFTERNOON  HEAVY FREEZING SPRAY WARNING IN EFFECT FROM MIDNIGHT CST  TONIGHT THROUGH TUESDAY MORNING    REST OF TONIGHT  West winds 15 to 25 kt increasing to 30 kt  late this evening, then increasing to gales to 40 kt after  midnight becoming northwest late. Freezing spray through early  evening, then heavy freezing spray overnight. Snow. Waves 4 to  7 ft occasionally to 9 ft building to 8 to 12 ft occasionally to  16 ft.  MONDAY  Northwest gales to 40 kt becoming west to 30 kt. Heavy  freezing spray. Chance of snow and light freezing rain in the  morning, then chance of snow in the afternoon. Waves 12 to 16 ft  occasionally to 21 ft.  MONDAY NIGHT  West winds to 30 kt. Heavy freezing spray. Chance  of snow. Waves 8 to 12 ft occasionally to 16 ft subsiding to 8 to  11 ft occasionally to 14 ft.  TUESDAY  West winds to 30 kt diminishing to 15 to 25 kt. Chance  of snow in the morning. Heavy freezing spray in the morning, then  freezing spray in the afternoon. Waves 7 to 10 ft occasionally to  13 ft subsiding to 5 to 8 ft occasionally to 10 ft.  TUESDAY NIGHT  Southwest winds 10 to 20 kt increasing to 15 to  25 kt. Snow likely overnight. Waves 4 to 6 ft occasionally to  8 ft.  WEDNESDAY  Southwest winds 15 to 25 kt becoming west to 30 kt.  Chance of snow. Waves 5 to 8 ft occasionally to 10 ft.  WEDNESDAY NIGHT  West winds to 30 kt. Freezing spray. Waves  6 to 9 ft occasionally to 12 ft building to 7 to 10 ft  occasionally to 13 ft.  THURSDAY  West winds to 30 kt. Freezing spray. Chance of snow.  Waves 7 to 10 ft occasionally to 13 ft.  FRIDAY  Northwest winds 15 to 25 kt. Chance of snow. Waves 4 to  7 ft occasionally to 9 ft.    $$