Ontario Sea Water Temperature
Compare sea surface temperatures across 59 top coastal destinations in Ontario. Check below for live marine observations, wave conditions, and monthly averages.
Beaches & Swimming Spots in Ontario— page 2 of 3
Gibraltar Point Beach
A cool beach on the James Bay, warmest around August at about 21.1°C.
Hanlan's Point Nude Beach
A cool beach on the James Bay, warmest around August at about 21.1°C.
HTO Beach
A cool beach on the James Bay, warmest around August at about 21.1°C.
Ipperwash Beach
A cool beach on the James Bay, warmest around August at about 21.5°C.
Jackfish Beach
A frigid beach on the James Bay, warmest around August at about 14.1°C.
Jones Beach
A cool beach on the James Bay, warmest around August at about 23.4°C.
Kaboni Beach
A cool beach on the James Bay, warmest around August at about 19°C.
Kew Beach
A cool beach on the James Bay, warmest around August at about 21.1°C.
Kintail Beach
A cool beach on the James Bay, warmest around August at about 21°C.
Lakeview Park Beach
A cool beach on the James Bay, warmest around August at about 21.1°C.
Little Beach
A cool beach on the James Bay, warmest around August at about 23°C.
Manitou Beach
A cool beach on the James Bay, warmest around August at about 21.1°C.
Middle Beach
A cool beach on the James Bay, warmest around August at about 14.2°C.
New Beach
A cool beach on the James Bay, warmest around August at about 19.7°C.
New Wasaga 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 14.2°C.
Nottawaga Beach
A cool beach on the James Bay, warmest around August at about 20.6°C.
Old Mill Beach
A cool beach on the James Bay, warmest around August at about 18.9°C.
Outlet Beach
A cool beach on the James Bay, warmest around August at about 22.3°C.
Poplar Beach
A cool beach on the James Bay, warmest around August at about 20.5°C.
Port Burwell West Beach (Provincial)
A cool beach on the James Bay, warmest around August at about 22.9°C.
Port Dover Beach
A cool beach on the James Bay, warmest around August at about 22.6°C.
Port Franks Private Beach
A cool beach on the James Bay, warmest around August at about 21.5°C.
Port Stanley Main Beach
A cool beach on the James Bay, warmest around August at about 23°C.