


Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
892 FZUS53 KLOT 291435 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 935 AM CDT Sun Jun 29 2025 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>742-292115- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 935 AM CDT Sun Jun 29 2025 .REST OF TODAY...Southeast winds 5 to 10 kt increasing to 10 to 15 kt. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 ft. .TONIGHT...Southeast winds 10 to 15 kt becoming southwest 5 to 10 kt overnight. Chance of showers and thunderstorms. Waves 1 to 2 ft. .MONDAY...Southwest winds around 10 kt becoming northwest in the afternoon. Chance of showers and thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves around 1 ft. .MONDAY NIGHT...Northwest winds around 10 kt becoming west. Slight chance of showers and thunderstorms in the evening. Waves around 1 ft. $$ LMZ743>745-292115- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 935 AM CDT Sun Jun 29 2025 .REST OF TODAY...South winds 5 to 10 kt becoming east in the afternoon. Chance of showers and thunderstorms in the afternoon. Waves around 1 ft. .TONIGHT...Southeast winds 5 to 10 kt becoming south. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms overnight. Waves around 1 ft. .MONDAY...Southwest winds 5 to 10 kt becoming northwest in the afternoon. Chance of showers and thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves around 1 ft. .MONDAY NIGHT...Northwest winds 5 to 10 kt increasing to 10 to 15 kt. Slight chance of showers and thunderstorms in the evening. Waves 1 to 2 ft. $$ Kluber