Coastwatch Sea Grant
Home Search Help Lake Superior Lake Michigan Lake Huron Lake Huron Lake Ontario

Coastwatch users:
Check out and bookmark the new contour maps now available through NOAA's Great Lakes CoastWatch website at These maps provide Great Lakes surface water temperature information and can be viewed at different spatial extents. This website will be replacing the site. Please contact us at if you have any questions.

Lake Surface Temperature Reporting System
This reporting system is a cooperative project between the NOAA CoastWatch Great Lakes Regional Node located at the NOAA Great Lakes Environmental Research Laboratory in Ann Arbor and the Great Lakes Sea Grant Network. Created & maintained by Michigan Sea Grant and the MSU Remote Sensing & GIS Research and Outreach Services. Supported by MSU College of Agriculture and Natural Resources and MSU Extension.

 Contact CoastWatch
 Great Lakes Links
Great Lakes Map
Click on a lake to view surface temperature maps.

Notice: The Great Lakes surface water temperature estimates presented in this website are automatically generated from satellite-derived sensors. Obvious errors or anomalies may be present in the resulting images as a result of satellite sensor malfunctions, adverse atmospheric conditions, or processing errors. Please notify us immediately about any errors or anomalies you observe in our products. Send your questions or concerns to

U of M
Michigan State
Lake Superior Lake Michigan Lake Huron Lake Erie Lake Ontario