Wisconsin Sea Water Temperature
Compare sea surface temperatures across 14 top coastal destinations in Wisconsin. Check below for live marine observations, wave conditions, and monthly averages.
Beaches & Swimming Spots in Wisconsin— page 1 of 1
Bradford Beach
A cool beach on the James Bay, warmest around August at about 21.2°C.
Crescent Beach
A cool beach on the James Bay, warmest around August at about 20.6°C.
Egg Harbor Beach
A cool beach on the James Bay, warmest around August at about 20.8°C.
Eichelman Beach
A cool beach on the James Bay, warmest around August at about 21.7°C.
McKinley Beach
A cool beach on the James Bay, warmest around August at about 21.2°C.
Nicolet Bay Beach
A cool beach on the James Bay, warmest around August at about 20.6°C.
North Beach
A cool beach on the James Bay, warmest around August at about 21.1°C.
North Side Municipal Beach
A cool beach on the James Bay, warmest around August at about 20.8°C.
Pebble Beach
A cool beach on the James Bay, warmest around August at about 21.2°C.
Pennoyer Beach
A cool beach on the James Bay, warmest around August at about 21.7°C.
Simmons Island Beach
A cool beach on the James Bay, warmest around August at about 21.7°C.
South Beach
A cool beach on the James Bay, warmest around August at about 21.1°C.
Tourist Park
A cool beach on the James Bay, warmest around August at about 20.9°C.
Village of Ephraim Public Beach
A cool beach on the James Bay, warmest around August at about 20.6°C.