Red tide prediction map shows worsening conditions on Pinellas County beaches Justin Matthews reports ST. PETERSBURG, Fla. - The red tide crisis is ruining a lot of people's plans for a day at the beach in Pinellas County but thanks to researchers at the University of South Florida, there's a way to look at the forecast of red tide for the next few days. Researchers at USF are taking data of how much red tide there is and measuring ocean currents to figure out where the blooms are going and when. The map may look like a toddler had some fun with a crayon, but the squiggly lines show crucial information about Karenia brevis -- or red tide -- and where it's flowing in the bay and the gulf.