Maintained by the Michigan Sea Grant and Michigan State University's Remote Sensing and GIS Research and Outreach Service, this web site offers data on current surface temperatures of the five Great Lakes. Using interactive maps, users can specify size of temperature maps by the entire lake, a region, or a port. Students can find educational materials about general temperature concepts such as...

The National Oceanic and Atmospheric Administration's (NOAA) CoastWatch program provides near real-time satellite observations and in-situ Great Lakes data. Visitors can view AVHRR imagery, contour maps, GOES imagery, and other Great Lakes data imagery. The website offers data on the physical characteristics of the Great Lakes as well as data on the average surface water temperature and current...