It's officially spring break season in Florida! However, whether you're a native Floridian or a seasoned visitor to the state's coasts, you know it only takes a visit from one unwanted visitor to ruin ...

State biologists have confirmed the presence of Karenia brevis, the organism that causes red tide, in two water samples collected from Northwest Florida over the past week. According to the latest ...

Every fall, coastal residents of Florida wait and wonder: Will the water stay clear, or will the red tide return? This harmful algal bloom, caused by the algae Karenia brevis, does not devastate our ...

Red tide algae has been detected in moderate to low concentrations throughout St. Andrews Bay. Health officials have issued alerts, advising people to avoid swimming and eating local shellfish.

Water samples collected along Florida’s Gulf Coast in early May 2026 have turned up low concentrations of Karenia brevis, the ...

Florida's red tide is a recurring harmful algal bloom that poses a persistent threat to the state's coast. The bloom, caused by Karenia brevis algae, can lead to significant fish kills and harm marine ...