Red Tide Florida 2024. Last week, state water experts detected the organism that causes red tide, karenia brevis, in 49 samples across southwest florida. Florida typically sees red tide off the state’s southwest coast every year in late summer or early fall, when warmer temperatures and wind conditions are more favorable to.

Florida typically sees red tide off the state’s southwest coast every year in late summer or early fall when warmer temperatures and wind conditions are more favorable to algae growth. Red tide is continuing to foul beaches from southern pinellas to sarasota counties.