Heavy Sargassum Year Forecast for Florida Keys by Shelly Krueger Posted: July 25, 2018 Leave a Comment This summer, you may have noticed tons of brown organic material washed up on beaches and decaying all over the Atlantic side of the Florida Keys. But what is it, really? And why is it… Read More Category: Coasts & Marine Tags: algae, Florida Keys, sargassum, seaweed