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 ...

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 any beach day — red tide. Karenia brevis is a naturally ...

Fish kills can start when levels reach 10,000 cells per liter. In 20 Florida locations, concentrations were higher than 100,000. Health alerts for red tide have been issued in Lee, Collier counties.

A "red tide" algae bloom off the coast of Florida has sparked concern, with several counties issuing health alerts and some environmentalists calling on Governor Ron DeSantis to declare a state of ...

The Florida Department of Health in Lee County still has advisories posted for several area beaches as red tide counts continue to hover well above the toxic range. DOH says coastal residents should ...

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 is caused by a naturally occurring organism called Karenia brevis, which can discolor water and release toxins. While red tide is more common in warmer months, it can occur year-round and ...