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.

Mild to moderate harmful algal bloom forecasted for western Lake Erie this summer

Aerial image of harmful algal bloom in Lake Erie

NOAA and partners are forecasting a mild to moderate #HarmfulAlgalBloom for western Lake Erie this summer. The 2025 summer bloom is expected to measure 3, with a potential range of 2 to 4 on the severity index. https://coastalscience.noaa.gov/news/mild-to-moderate-harmful-algal-bloom-predicted-for-western-lake-erie/