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Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
780 FZUS53 KLOT 040848 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 348 AM CDT Thu Jul 4 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>742-041530- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 348 AM CDT Thu Jul 4 2024 .TODAY...Southwest winds around 5 kt becoming east 5 to 10 kt in the afternoon. Chance of showers in the afternoon. Waves around 1 ft. .TONIGHT...Southeast winds 10 to 15 kt. Chance of showers and thunderstorms in the evening, then showers likely and a chance of thunderstorms overnight. Waves 1 to 2 ft. .FRIDAY...Southwest winds 10 to 20 kt increasing to 20 to 25 kt in the afternoon. Chance of showers and slight chance of thunderstorms. Waves 1 to 3 ft. .FRIDAY NIGHT...West winds 15 to 20 kt. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 to 2 ft. $$ LMZ743>745-041530- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 348 AM CDT Thu Jul 4 2024 .TODAY...Southwest winds around 5 kt becoming northeast 5 to 10 kt in the afternoon. Chance of showers in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 ft or less. .TONIGHT...East winds 5 to 10 kt becoming southeast 10 to 15 kt overnight. Slight chance of showers and thunderstorms in the evening, then showers likely and a chance of thunderstorms overnight. Waves around 1 ft. .FRIDAY...Southwest winds 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Chance of showers and slight chance of thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft. .FRIDAY NIGHT...West winds 15 to 20 kt diminishing to 10 to 15 kt. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 to 3 ft. $$ KMD