Lake Superior ice held on into May. Here's where the last of it melted

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The Great Lakes reached their highest ice coverage (52.23%) since February 2022.

Lake Superior was the last of the Great Lakes to become ice-free on May 11, 2025.

As of June 6, 2025, water temperatures across the Great Lakes ranged from the upper 30s to mid-60s Fahrenheit.

It may seem like summer across the Great Lakes, but it's only been a few weeks since ice clung to the last few areas in Lake Superior , according to data from NOAA.

The Great Lakes were at 52.23% ice coverage on Feb. 22, the highest percentages of ice coverage since February 2022 when it hit 56%, NOAA said earlier this year.

While ice coverage shrunk quickly with warm spring weather, ice stubbornly hung on in Black Bay and Nipigon Bay, east of Thunder Bay, Ontario, until May 10-11. Lake