Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
334 FZUS53 KLOT 092034 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 334 PM CDT Sun Mar 9 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. LMZ740-100315- Winthrop Harbor to Wilmette Harbor IL- 334 PM CDT Sun Mar 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .LATE THIS AFTERNOON...Southwest winds 20 to 25 kt. Mostly sunny. Waves 1 to 2 ft. .TONIGHT...Southwest winds 15 to 25 kt becoming west and diminishing to around 10 kt. Clear. Waves 1 to 2 ft. .MONDAY...Southwest winds 10 to 20 kt. Sunny. Waves 1 to 2 ft. .MONDAY NIGHT...Southwest winds around 20 kt. Mostly clear. Waves 1 to 3 ft. .TUESDAY...Northwest winds 15 to 20 kt becoming north in the afternoon. Partly cloudy. Waves 1 to 3 ft building to 2 to 4 ft. $$ LMZ741-742-100315- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 334 PM CDT Sun Mar 9 2025 .LATE THIS AFTERNOON...Southwest winds 15 to 25 kt. Sunny. Waves 1 to 2 ft. .TONIGHT...Southwest winds 15 to 20 kt diminishing to around 10 kt. Clear. Waves 1 to 2 ft. .MONDAY...Southwest winds 10 to 20 kt. Sunny. Waves 1 to 2 ft. .MONDAY NIGHT...Southwest winds 15 to 20 kt. Clear. Waves 1 to 3 ft. .TUESDAY...Northwest winds 15 to 20 kt becoming north in the afternoon. Partly cloudy. Waves 1 to 3 ft building to 2 to 4 ft. $$ LMZ743>745-100315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 334 PM CDT Sun Mar 9 2025 .LATE THIS AFTERNOON...Southwest winds 15 to 20 kt. Sunny. Waves 1 to 2 ft. .TONIGHT...Southwest winds 15 to 20 kt diminishing to 10 to 15 kt. Clear. Waves 1 to 2 ft. .MONDAY...Southwest winds 10 to 20 kt. Sunny. Waves 1 to 2 ft. .MONDAY NIGHT...Southwest winds 15 to 20 kt. Clear. Waves 1 to 3 ft. .TUESDAY...Northwest winds 15 to 20 kt becoming north in the afternoon. Partly cloudy. Waves 2 to 4 ft building to 3 to 5 ft. $$ KJB