Coastwatch users: Due to technical issues, this site is no longer able to produce updated surface water temperature contour maps. Please check back in July for more information about future resources.
Daily maps of observed surface temperatures can be found at these NOAA links:
Lake Superior: https://www.glerl.noaa.gov/res/glcfs/sup/glsea.png
Lake Michigan & Lake Huron: https://www.glerl.noaa.gov/res/glcfs/mih/glsea.png
Lake Erie: https://www.glerl.noaa.gov/res/glcfs/eri/glsea.png
Lake Ontario: https://www.glerl.noaa.gov/res/glcfs/ont/glsea.png
|Most questions can be answered by your Sea Grant Agent or on our CoastWatch Help Pages. Please send comments or bug reports to firstname.lastname@example.org. Please include the name of the location or file that's giving you trouble, as well as the type of software you are running. This 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 Sea Grant Network.||