Event Brief
Seaweed blooms smother Caribbean and Mexico coastlines
Filed: Jul 31, 2026 at 9:07 PM ET
Summary: A report says about 27 million metric tons of sargassum were recorded in July across the Atlantic, Caribbean and Gulf of Mexico.
WHO: University of South Florida's Optical Oceanography Lab
WHAT: A report records large amounts of self-sustaining sargassum smothering coastlines
WHEN: Jul 31, 2026 at 8:41 PM ET
WHERE: Caribbean to Mexico
WHY: Huge blankets of self-sustaining sargassum were recorded in the Atlantic, Caribbean and Gulf of Mexico in July.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
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