The dip of Arctic air into the Midwest expanded ice coverage across all 5 Great Lakes, some seeing greater increases than ...

The ice coverage in Lake Erie has rapidly expanded to 80% this week. February and March are peak maximum ice coverage periods for the Great Lakes.

Data, maps, and reports are available at the lake-level (Great Lakes), for each state, and for the five-state region as a whole by clicking on the links below: Brief reports that summarize, analyze, ...

The Great Lakes are an amazing natural resource that ... In Figure 2 below, the map on the left of each image shows how much colder or warmer than normal the air temperature was for the winter ...

Our mission is to improve the understanding of the Great Lakes ecosystem, including the physical, biological, and chemical processes that shape it, as well as the social and political forces that ...

Welcome to Surfline Great Lakes Surf Reports and Surf Cams -- the most comprehensive Great Lakes surf reports and surf cams site on the Internet. Spend a few minutes browsing around our Great ...