Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
515 FZUS53 KLOT 241509 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 1009 AM CDT Fri May 24 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>742-242115- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 1009 AM CDT Fri May 24 2024 ...SEVERE THUNDERSTORM WATCH 301 IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...Southeast winds 10 to 20 kt. A chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft. Variable and stronger winds and higher waves possible in and near thunderstorms. .TONIGHT...South winds 15 to 20 kt becoming west 10 to 15 kt overnight. Showers and thunderstorms in the evening, then chance of showers and slight chance of thunderstorms overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft. Variable and stronger winds and higher waves possible in and near thunderstorms. .SATURDAY...Northwest winds 10 to 15 kt becoming northeast around mid day. Mostly sunny. Waves 1 to 3 ft. .SATURDAY NIGHT...Southeast winds 5 to 10 kt increasing to 10 to 15 kt. Partly cloudy in the evening, then becoming mostly cloudy. Waves around 1 ft. $$ LMZ743>745-242115- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 1009 AM CDT Fri May 24 2024 .REST OF TODAY...Southeast winds 15 to 20 kt becoming south. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 ft. Variable and stronger winds and higher waves possible in and near thunderstorms. .TONIGHT...South winds 10 to 20 kt becoming west 10 to 15 kt overnight. Showers and thunderstorms likely in the evening, then chance of showers and slight chance of thunderstorms overnight. Waves 1 to 2 ft. Variable and stronger winds and higher waves possible in and near thunderstorms. .SATURDAY...Northwest winds 10 to 15 kt becoming north 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 to 3 ft. .SATURDAY NIGHT...East winds 5 to 10 kt becoming southeast overnight. Mostly clear in the evening, then becoming mostly cloudy. Waves around 1 ft. $$ RC