NOAA says the event known as the 2018 red tide outbreak caused immense damage to hotel and restaurant industries in both ...

Florida's coastal communities are enjoying a welcome reprieve from the persistent threat of red tide, as the red tide ...

Southern California beaches have recently experienced a “red tide” bloom of microscopic algae known as dinoflagellate, which give the ocean a rusty brown hue during the day and an electric ...

Red tides are a type of harmful algal bloom, and they occur worldwide. There are over 300 species of red tide, and within the United States, these blooms appear in three main coastal areas ...

Red tide has waters off Southwest Florida in the "kill zone." Caused by the Karenia brevis organism, red tide is no stranger ...

Red tide, a problem that has sporadically plagued Florida's Gulf Coast water for years, is back. Red tide is a toxic algal bloom that originates dozens of miles offshore when there are high ...

In 20 Florida locations, concentrations were higher than 100,000. Health alerts for red tide have been issued in Lee, Collier counties. Toll-free hotline provides recording on red tide conditions.

A body of water spanning parts of Eastern Samar has tested positive for a toxic microorganism that causes red tide. In a June ...

As of this week, roughly 100 square miles of Florida’s Gulf Coast waters are painted with red tide. The harmful algal bloom, which rocked Anna Maria and Longboat Key this past weekend ...

With spring break just days away, red tide has been reported in several Florida locations, bringing respiratory problems to some and fish kills to some beach hot spots. The worst water samples are ...

Large concentrations can discolor water red to brown, causing blooms to be called "red tides." K. brevis produces brevetoxins capable of killing fish, birds and other marine animals. It can also ...