Lake Ontario is the smallest of all the Great Lakes, with a surface area of 7,340 square miles (18,960 square kilometers), but its waters run deep. It holds about four times the water volume, at ...

Fair Haven, N.Y. — In the summer of 2019, when Lake Ontario rose to record-high levels, Scott Nash couldn’t get boats into the water at his Bayside Marina because the docks were submerged.

Lake Ontario has an average surface water temperature of 51.9 degrees F now. The warmest Lake Ontario has been on November 17 was 51.6 degrees F back in 2016. Lake Ontario is just fractionally ...

Environment Canada issued tornado and severe thunderstorm warnings for parts of northwestern Ontario on Sunday.

Seatemperature.org says the average temperature of Lake Ontario is 41.9 degrees Fahrenheit in May. It rises in June to 58.8, and 70.5 in July, before topping out at nearly 73 degrees in August.

“Lake Erie has an average depth of about 62 feet and a maximum depth of 210 feet, according to the Great Lakes Commission.

A 51-year-old Missouri man died Thursday evening after being pulled from Lake Ontario near Little Field Place in Jefferson ...

The lake is near Niagara Falls, a popular tourist spot. Lake Ontario may be the only Great Lake not bordering Michigan, but the body of water has natural wonders of its own worth trekking east to see.

A man in his early 20s is dead after a boating incident on Weslemkoon Lake in the Township of Addington Highlands, Ont., as provincial police warn of a "large number of marine incidents" over the ...

Plan 2014 is the set of rules for regulating the water levels in Lake Ontario and the St. Lawrence. Passage of water from the lake to the river is controlled by a huge hydroelectric dam on the river.

On Lake Ontario, FEMA had drawn the flood zone to reflect the territory that would be submerged if the lake reached 249 feet above sea level — something it had never done in the previous century.