Illinois Sea Water Temperature
Compare sea surface temperatures across 34 top coastal destinations in Illinois. Check below for live marine observations, wave conditions, and monthly averages.
Beaches & Swimming Spots in Illinois— page 1 of 2
12th Street Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
41st Street Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
49th Street Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
57th Street Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
63rd Street Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
Ardmore Hollywood (Osterman) Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
Arthur Ashe Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
Calumet Beach
A cool beach on the James Bay, warmest around August at about 23.1°C.
Elder Lane Beach
A cool beach on the James Bay, warmest around August at about 22.6°C.
Foster Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
Gillson Beach
A cool beach on the James Bay, warmest around August at about 22.6°C.
Glenlake Avenue Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
Howard Beach
A cool beach on the James Bay, warmest around August at about 22.6°C.
Humboldt Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
Illinois Beach State Park
A cool beach on the James Bay, warmest around August at about 22°C.
Independence Grove Beach
A cool beach on the James Bay, warmest around August at about 22°C.
Jones Island Beach
A cool beach on the James Bay, warmest around August at about 22°C.
Juneway Beach
A cool beach on the James Bay, warmest around August at about 22.6°C.
Kenilworth Beach
A cool beach on the James Bay, warmest around August at about 22.6°C.
Langdon Beach
A cool beach on the James Bay, warmest around August at about 22.6°C.
Lee Street Beach
A cool beach on the James Bay, warmest around August at about 22.6°C.
Maple Street Beach
A cool beach on the James Bay, warmest around August at about 22.6°C.
Margaret Burroughs Beach
A cool beach on the James Bay, warmest around August at about 22.8°C.
Millard Beach
A cool beach on the James Bay, warmest around August at about 22.6°C.