![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
015 FZUS53 KLOT 040200 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 900 PM CDT Wed Jul 3 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>742-040945- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 900 PM CDT Wed Jul 3 2024 .REST OF TONIGHT...South winds less than 10 kt becoming variable by late evening. Partly cloudy early, then becoming mostly cloudy. Waves 1 ft or less. .THURSDAY...Northeast winds 5 to 10 kt becoming east in the afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 ft or less. .THURSDAY NIGHT...Southeast winds 10 to 15 kt. Slight chance of thunderstorms with isolated showers in the evening, then numerous showers and scattered thunderstorms overnight. Waves 1 to 2 ft. .FRIDAY...South winds 10 to 20 kt becoming southwest and increasing to 30 kt in the afternoon. Slight chance of showers and thunderstorms. Waves 1 to 3 ft. A small craft advisory will likely be needed. $$ LMZ743>745-040945- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 900 PM CDT Wed Jul 3 2024 .REST OF TONIGHT...Variable winds less than 10 kt. Partly cloudy early, then becoming mostly cloudy. Waves 1 ft or less. .THURSDAY...North winds less than 10 kt becoming east 5 to 10 kt in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 ft or less. .THURSDAY NIGHT...East winds 5 to 10 kt becoming southeast 10 to 15 kt overnight. Slight chance of showers and thunderstorms in the evening, then numerous showers and scattered thunderstorms overnight. Waves around 1 ft. .FRIDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt in the afternoon. Slight chance of showers and thunderstorms. Waves 1 to 3 ft. $$ Ratzer