entities

University of South Florida

Satellite-derived map shows orange and red Sargassum concentrations across the tropical Atlantic, Caribbean and Gulf.

news report

Atlantic Sargassum Belt Hits No. 2 Satellite-Era Peak as Gulf Sets Record

NASA and University of South Florida measurements put June 2026 biomass at regional records in the Caribbean and Gulf, with July observations showing a decline.

August 9, 2026, 11:07 p.m. CDT