Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
706 FZUS53 KLOT 080833 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 333 AM CDT Wed Oct 8 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>742-081545- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 333 AM CDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... .TODAY...Northeast winds 15 to 25 kt diminishing to 10 to 15 kt. Partly cloudy this morning, then becoming mostly sunny. Waves 3 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft by evening. .TONIGHT...Northeast winds 10 to 15 kt becoming east overnight. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft. .THURSDAY...Southeast winds 10 to 15 kt. Sunny. Waves 1 to 3 ft. .THURSDAY NIGHT...Southeast winds 10 to 15 kt becoming south overnight. Clear in the evening, then becoming partly cloudy. Waves 1 to 3 ft. $$ LMZ743>745-081545- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 333 AM CDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... .TODAY...North winds 15 to 25 kt becoming northeast 10 to 15 kt this afternoon. Partly cloudy this morning, then becoming mostly sunny. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft by evening. .TONIGHT...Northeast winds 10 to 15 kt becoming southeast overnight. Clear. Waves 2 to 4 ft subsiding to 1 to 3 ft. .THURSDAY...Southeast winds 10 to 15 kt. Sunny. Waves 1 to 2 ft. .THURSDAY NIGHT...Southeast winds 5 to 10 kt becoming south 10 to 15 kt overnight. Clear in the evening, then becoming partly cloudy. Waves 1 to 2 ft. $$ - Izzi