After reaching a peak of more than 50% coverage in February, Great Lakes ice held on into May this year. Here's where.

Ice coverage on the Great Lakes declined 71% between 1973 and 2010, according to an assessment conducted by University of Michigan and NOAA scientists. They expect ice to become increasingly rare ...

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 ...

Great Lakes ice season getting shorter. In one study more than 20 years ago, researchers at the University of Madison-Wisconsin documented later freeze dates and earlier breakup dates for ice on ...

Great Lakes ice coverage reached an historic low in 2024, the NOAA said. Coverage reached 16.025 in January 2024, fell to 2.94% in early February and briefly rebounded to 12.18% before falling to ...

So far, this December has been much colder, which will likely help cool and prime the Great Lakes so ice can build. Here’s what to know about the 2024-2025 ice forecast.

We could do a similar dissection of all 5 Great Lakes. In fact, let’s take a look at this chart from Lake Superior. The historical average maximum amount of ice coverage on the Lake comes right ...

Great Lakes ice coverage reached an historic low in 2024, the NOAA said. Coverage reached 16.025 in January 2024, fell to 2.94% in early February and briefly rebounded to 12.18% before falling to ...

All of the Great Lakes spent some time with more ice than the long-term average for individual dates. Lake Superior peaked around 15 percent higher than the typical high-ice amount.

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 ...