Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
289 FZUS53 KLOT 190845 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 345 AM CDT Sun May 19 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>742-191545- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 345 AM CDT Sun May 19 2024 .TODAY...Northwest winds 10 to 15 kt becoming north. Mostly sunny. Waves 1 to 2 ft. .TONIGHT...Northeast winds 10 to 15 kt becoming southeast 5 to 10 kt overnight. Partly cloudy. Waves 1 to 2 ft. .MONDAY...South winds 10 to 15 kt increasing to 15 to 20 kt. Slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Waves 1 to 3 ft. .MONDAY NIGHT...South winds 10 to 15 kt. Showers and thunderstorms likely in the evening, then chance of showers and thunderstorms overnight. Waves 1 to 2 ft. $$ LMZ743>745-191545- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 345 AM CDT Sun May 19 2024 .TODAY...South winds 5 to 10 kts becoming northwest winds 10 to 15 kt during the morning, then becoming north late. Partly cloudy in the morning then clearing. Waves 1 to 2 ft. .TONIGHT...Northeast winds 10 to 15 kt becoming southeast 5 to 10 kt overnight. Partly cloudy. Waves 1 to 2 ft. .MONDAY...South winds 10 to 15 kt increasing to 15 to 20 kt. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 ft. .MONDAY NIGHT...South winds 10 to 15 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft. $$ DK