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

As executive director of the Great Lakes Observing System, she's leading a campaign to map every meter of the lakes' bottom. The effort, the marine scientist says, will pinpoint hundreds of ...

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, ...

For it to be a remarkable year for ice cover this year, the cold air will have to continue - and continue in a much colder than normal fashion. These first few weeks of cold will be used up just ...

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 ...