Sargassum covers a beach in Playa del Carmen, Mexico, in April 2019. (Credit: Kamira/shutterstock)

Marine scientist Mengqiu Wang is no stranger to questions about the forecast. The seaweed forecast, that is.

Wang, a researcher at the University of South Florida, is one of the scientists who tracked the largest seaweed bloom in history – an expansive 5,500 mile cluster that stretched from the Gulf of Mexico to the shores of West Africa in 2018. It was documented in a report published in t