The U.S. Government is closed. This site will not be updated; however NOAA websites and social media channels necessary to protect lives and property will be maintained. To learn more, visit www.commerce.gov. For the latest forecast and critical weather information, visit www.weather.gov. 

The U.S. government is closed. This site will not be updated; however, NOAA websites and social media channels necessary to protect lives and property will be maintained. To learn more, visit commerce.gov. 

For the latest forecasts and critical weather information, visit weather.gov.

Lake Erie Satellite Imagery

Current Lake Erie Sentinel-3 a and b Composited Satellite Imagery from the Ocean and Land Color Imager (OLCI) as of 2025-11-10 showing bloom location and extent.

Image credit: The images were derived from Copernicus Sentinel-3 satellite data from the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) and were processed by NOAA, National Centers for Coastal Ocean Science. NOTE: Image quality will vary with clouds and satellite position (OLCI satellite background information). See more information about our bloom monitoring imagery.