Seaweed On Florida Beaches 2025. A monstrous mass of seaweed the size of north. Sargassum is a brown seaweed that floats in the ocean and currently is washing up on many florida beaches in large amounts.

Scientists say that reports of a massive blob of seaweed slamming into coastlines are overblown because the sargassum algae are scattered across the ocean, and much of the. It looks as though florida won’t see much — if any — stinky seaweed washing up on its beaches until late april or may, according to the university of south florida’s monthly.