As executive director of the Great Lakes Observing System, she’s leading a campaign to map every meter of the lakes’ bottom.

Parts of the Great Lakes that were already inundated with snow over the holiday weekend can expect another round of heavy snow as an "Alberta Clipper" impacts the area. A powerful cold front will ...

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

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, ...

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 ...