As of March 16, average ice cover across the lakes was roughly 13.5%. Lake Superior was at 9.2%, and Lake Michigan was at ...

The Great Lakes reached their highest ice coverage in three years on February 22, hitting 52.23%. However, a warming trend caused the ice coverage to plummet to 28.95% within a few days.

The Great Lakes reached their highest ice coverage in three years on Feb. 22, hitting 52.23%. A warming trend has caused ice coverage to plummet. Ice on the Great Lakes is steadily retreating ...