Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
085 FZUS53 KLOT 181946 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 246 PM CDT Tue Jun 18 2024 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-190300- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 246 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...South winds 20 to 25 kt diminishing to 15 to 20 kt. Partly cloudy. Waves 2 to 4 ft. .WEDNESDAY...Southwest winds 15 to 20 kt becoming south 10 to 15 kt in the afternoon, then shifting northeast late. Chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft. .WEDNESDAY NIGHT...Northeast winds 10 to 15 kt becoming north 5 to 10 kt overnight. Slight chance of showers and thunderstorms. Waves 1 to 3 ft. .THURSDAY...North winds 10 to 15 kt becoming northeast. Slight chance of showers and thunderstorms. Waves 1 to 3 ft. $$ LMZ743>745-190300- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 246 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...South winds 20 to 25 kt becoming southwest and diminishing to 10 to 20 kt. Mostly cloudy. Waves 1 to 3 ft. .WEDNESDAY...Southwest winds 10 to 20 kt becoming south 10 to 15 kt. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 ft. .WEDNESDAY NIGHT...Northeast winds 10 to 15 kt becoming north 5 to 10 kt overnight. Slight chance of showers and thunderstorms in the evening. Waves 1 to 2 ft. .THURSDAY...North winds 5 to 10 kt increasing to 10 to 15 kt. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 ft. $$