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.
Top 10 of 2025 | A single harmful algal bloom event can cost millions of dollars annually through lost tourism, damaged fisheries, and water treatment costs, and losses businesses. NOAA invests in a comprehensive range of research efforts to advance our nation’s ability to observe, forecast and manage blooms and hypoxia to safeguard communities and economies.