![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
033 FZUS53 KLOT 171913 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 213 PM CDT Wed Jul 17 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>742-180315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 213 PM CDT Wed Jul 17 2024 .TONIGHT...North winds 15 to 20 kt. A chance of sprinkles. Waves 2 to 4 ft. .THURSDAY...North winds 10 to 15 kt becoming northeast. A chance of sprinkles in the morning. Waves 2 to 4 ft. .THURSDAY NIGHT...Northeast winds 5 to 10 kt becoming west less than 10 kt overnight. Clear. Waves 1 to 3 ft. .FRIDAY...West winds 5 to 10 kt becoming southeast in the afternoon. Sunny. Waves around 1 ft. $$ LMZ743>745-180315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 213 PM CDT Wed Jul 17 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TONIGHT...North winds 15 to 20 kt increasing to 20 to 25 kt by midnight. A chance of sprinkles. Waves 3 to 6 ft occasionally 8 ft. .THURSDAY...North winds 10 to 15 kt. A chance of sprinkles in the morning. Waves 3 to 5 ft in the morning subsiding to 2 to 4 ft in the afternoon. .THURSDAY NIGHT...North winds 10 to 15 kt becoming northeast less than 10 kt overnight. Clear. Waves 1 to 3 ft. .FRIDAY...West winds 5 to 10 kt becoming northeast in the afternoon. Sunny. Waves around 1 ft. $$ Borchardt