Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
604 FZUS53 KLOT 041421 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 921 AM CDT Sat May 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>742-042130- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 921 AM CDT Sat May 4 2024 .REST OF TODAY...Southeast winds 5 to 10 kt increasing to 10 to 15 kt this afternoon. Mostly sunny. Waves 1 to 2 ft. .TONIGHT...South winds 10 to 15 kt becoming northwest overnight. Scattered showers and thunderstorms. Some thunderstorms may produce gusty winds. Waves 1 to 2 ft. .SUNDAY...North winds 15 to 20 kt becoming northeast 10 to 15 kt. Decreasing cloudiness. Waves 1 to 3 ft building to 2 to 4 ft. .SUNDAY NIGHT...Northeast winds 5 to 10 kt. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 2 ft. $$ LMZ743>745-042130- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 921 AM CDT Sat May 4 2024 .REST OF TODAY...East winds 5 to 10 kt. Mostly sunny. Waves around 1 ft. .TONIGHT...South winds 10 to 20 kt becoming northwest overnight. Scattered showers and thunderstorms. Some thunderstorms may produce gusty winds. Waves around 1 ft building to 1 to 3 ft. .SUNDAY...North winds 10 to 15 kt. Decreasing cloudiness. Waves 2 to 4 ft. .SUNDAY NIGHT...North winds 5 to 10 kt becoming northeast. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 2 ft. $$ Borchardt