Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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137 FZUS53 KLOT 211133 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 633 AM CDT Fri Jun 21 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. LMZ740-211515- Winthrop Harbor to Wilmette Harbor IL- 633 AM CDT Fri Jun 21 2024 .TODAY...North winds 5 to 10 kt becoming east late. Patchy fog in the morning. Slight chance of showers in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft. .TONIGHT...East winds 5 to 10 kt becoming south overnight. Slight chance of showers and thunderstorms overnight. Waves 1 to 2 ft. .SATURDAY...Southwest winds 10 to 20 kt increasing to 20 to 25 kt. Chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft. .SATURDAY NIGHT...Southwest winds 15 to 25 kt becoming west and diminishing to around 15 kt. Showers with thunderstorms likely in the evening, then chance of showers and thunderstorms overnight. Waves 1 to 2 ft. $$ LMZ741-742-211515- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 633 AM CDT Fri Jun 21 2024 .TODAY...North winds around 5 kt becoming east late. Patchy fog in the morning. Waves 1 to 3 ft. .TONIGHT...Southeast winds 5 to 10 kt becoming southwest overnight. Partly cloudy. Waves 1 to 2 ft. .SATURDAY...Southwest winds 10 to 20 kt increasing to 20 to 25 kt. Chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft. .SATURDAY NIGHT...Southwest winds 15 to 25 kt. Showers with thunderstorms likely. Waves 1 to 3 ft. $$ LMZ743>745-211515- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 633 AM CDT Fri Jun 21 2024 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .TODAY...North winds less than 10 kt becoming northeast 5 to 10 kt late. Areas of dense fog in the morning. Waves 1 to 3 ft. .TONIGHT...Southeast winds 5 to 10 kt becoming southwest overnight. Mostly clear in the evening, then becoming partly cloudy. Waves 1 to 2 ft. .SATURDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft. .SATURDAY NIGHT...Southwest winds 15 to 25 kt. Showers with thunderstorms likely. Waves 1 to 3 ft. $$ Borchardt