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.

The 13th U.S. Symposium on Harmful Algae invites researchers and scientists to submit an abstract for consideration as a talk or poster

split image of red tide and cyanoHAB that reads "13th US Symposium on Harmful Algae, October 25-29, 2026 | Cedar Rapids, IL" The 13th U.S. Symposium on Harmful Algae invites researchers and scientists from academia, industry, and government to submit an abstract for consideration as a talk or poster presentation on emerging topics and cutting-edge research in all areas of HABs science, including bloom dynamics, modeling and forecasting, monitoring and management, prevention and mitigation strategies, emerging technologies, community engagement, genomics, toxicology and toxinology, and environmental and human/animal health. Submissions are due May 8.