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.

Our scientists are at sea collecting data to create a cyst density map, which will inform the annual Gulf of Maine harmful algal bloom forecast

Person stands on a boat watching the sunriseOur scientists are at sea collecting data to create a cyst density map, which will inform the annual Gulf of Maine harmful algal bloom forecast. Studies show that the abundance of A. catenella resting cysts is a first-order predictor of the magnitude of the bloom in the upcoming spring/summer.