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 Mixing Forecast

Forecast of the potential for mixing over at least the next 96 hours, to determine whether the majority of the bloom is at the surface,subsurface, or mixed throughout the water column. Grey coloring indicates the absence of chlorophyll or area with no data. Each point represents a location used by the bloom forecast. Click a point to visualize bloom depth in the water column by date and modeled concentration. Last Updated:2025-11-19