Sargassum Seaweed Florida 2025. It’s already starting to wash up on beaches in florida and the caribbean and cause a stink. The huge blobs of sargassum swirling in the ocean, have dramatically disappeared at south florida beaches from miami to fort lauderdale.
Sargassum is a brown seaweed that floats in the ocean and currently is washing up on many florida beaches in large amounts. But if sargassum moves closer to the coast, the seaweed can wreak havoc on local ecosystems, smothering coral reefs and altering the water’s ph balance.