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What to know about the ice coverage on the Great Lakes

Great Lakes ice coverage at 20.8%

The ice coverage on the Great Lakes is at 20.8%, according to an ice analysis from Tuesday, Jan. 21, 2025. (NOAA)

Metro Detroit saw below-zero wind chills this week as Arctic air moved through the region, which had an impact on the ice coverage on some areas of the Great Lakes.

In December, the North American Ice Service released its seasonal outlook for the winter and forecasted slightly below-normal ice conditions for Lake Superior, Lake Michigan, Lake Huron and Lake Erie, and slightly above-normal temperatures for Lake Ontario.

On Tuesday, Jan. 21, 2025, the National Oceanic and Atmospheric Administration, reported that the ice coverage on the Great Lakes is currently at 20.8%.

NOAA researchers say this is just about average for this time of year.

Great Lakes Average Ice Cover chart from NOAA. The red line shows the historical average, the black line shows 2025 to date, and all the other lines represent data from 1973 to 2024. (NOAA)

Here’s the current ice coverage by lake:

  • Lake Superior: 9.5%
  • Lake Michigan: 20.3%
  • Lake Huron: 26.7%
  • Lake Erie: 58.2%
  • Lake Ontario: 7.1%

Temperatures warmed a bit on Thursday, but a cold front will bring a brief return of Arctic air on Friday. Wind chills will also drop below zero again on Friday and Saturday morning.


About the Author
Sara Powers headshot

Sara Powers joined WDIV as a digital content producer in Oct. 2024 and has been covering Metro Detroit news since 2021.

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