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Ontario sea temperature
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Map showing Ontario locations. Click on pins to view water temperature.
16 locations listed in Ontario.
Goderich
Greater Napanee
Hamilton
Kingston
Little Current
Mississauga
Napanee Downtown
Niagara Falls
Oakville
Oshawa
Sarnia
St. Catharines
Thessalon
Thorold
Toronto
Windsor
Ontario water temperatures
Current sea tmp: 20.4°C / 68.8°F
Based on readings from Oshawa
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