Red tide blooms occur when microscopic organisms in the water grow rapidly, often due to warmer temperatures, sunlight, and nutrients. These blooms can produce toxins that affect people through the air and contaminated seafood. When toxins are moved into the air near shorelines, people can develop respiratory symptoms.

Further details are available about the health effects of red tide exposure. Some information discusses what happens when people breathe in the toxins. A red tide bloom has been detected, and more information can be found about its impact on visitors and health.