Long before the Great Lakes came to define the heart of North America, a much larger lake once ruled the land. Lake Agassiz, ...

The lake, which Michigan shares with Ontario, Canada, has 3,800 miles of shoreline and the world's largest freshwater island, Manitoulin Island, the National Museum of the Great Lakes notes.

Lake Erie, the shallowest of the Great Lakes, reached 70.2 degrees near Rossford, Ohio, as of June 13. Lake Erie reaches an average of 76.1 degrees Fahrenheit in August. Current temperatures for ...

The lake, which Michigan shares with Ontario, Canada, has 3,800 miles of shoreline and the world's largest freshwater island, Manitoulin Island, the National Museum of the Great Lakes notes.

Lake Erie, the shallowest of the Great Lakes, reached 70.2 degrees near Rossford, Ohio, as of June 13. Lake Erie reaches an average of 76.1 degrees Fahrenheit in August. Current temperatures for ...

As of June 10, Great Lakes' surface water temperatures range from the 40s to upper 50s, with Lake Erie the warmest, according to National Oceanic Atmospheric Administration Great Lakes observations.

Today’s Great Lakes—Superior, Michigan, Huron, Erie, and Ontario—are impressive in their own right. Lake Superior alone spans more than 31,000 square miles.

An algae bloom covers Lake Erie near Toledo, Ohio, in 2014. Toxic algae contaminated the water in Toledo, making it unsafe to use for two to three days.

If you drained Lake Superior and spread that water over the land, both North and South American continents would be a foot underwater. Adding to this lake’s remarkable description is its purity.

KATZ: Traci finished the bottom half of Lake Erie then paddled up the Niagara River. Her plan was to circumnavigate Lake Ontario, then come back to finish Erie at the very end. On November 18th, she ...

Lake Ontario: 283 feet in average depth, maximum depth at 802 feet. Lake Huron: 195 feet in average depth, and approximately 750 feet at maximum. This Great Lake doesn't border Michigan.