Coming soon to Florida beaches: Massive, messy and maybe record mounds of seaweed

MIAMI — A giant blob of seaweed, spanning 5,000 miles and weighing an estimated 6.1 million tons, threatens to blanket Florida beaches and Caribbean islands with smelly piles of decaying brown goop. Sargassum — the scientific name for the brown seaweed often found strewn across South Florida beaches — could start piling up in the Florida Keys in the next few days. Scientists expect Miami Beach to become a hot spot later in the sargassum season, which runs from March through October. This year’s sargassum bloom is shaping up to be one of the biggest ever recorded. Since 2011, a combination of h...