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Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
120 FZUS53 KLOT 180831 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 331 AM 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>742-181530- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 331 AM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...South winds 15 to 20 kt increasing to 20 to 25 kt. Chance of showers and slight chance of thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 2 to 4 ft. .TONIGHT...South winds 20 to 25 kt diminishing to 15 to 20 kt. Partly cloudy. Waves 2 to 4 ft. .WEDNESDAY...Southwest winds 10 to 15 kt becoming south in the afternoon. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 ft. .WEDNESDAY NIGHT...South winds 10 to 15 kt becoming southwest 5 to 10 kt overnight. Slight chance of showers and thunderstorms. Waves 1 to 2 ft. $$ LMZ743>745-181530- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 331 AM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...South winds 15 to 20 kt increasing to 20 to 25 kt. Chance of showers and slight chance of thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft. .TONIGHT...South winds 20 to 25 kt diminishing to 10 to 20 kt. Partly cloudy. Waves 1 to 3 ft. .WEDNESDAY...Southwest winds 10 to 15 kt becoming south in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves around 1 ft. .WEDNESDAY NIGHT...South winds 5 to 10 kt. Mostly clear. Waves around 1 ft. $$ Carlaw