Red Tide

Question

What is going on with the red tide? When did it come back?

Answer

Red tide refers to harmful algal blooms (HABs) that occur along Florida's Gulf Coast, including Sarasota, and are caused by high concentrations of the algae *Karenia brevis*. These blooms can be harmful to marine life and cause respiratory irritation to humans, especially along the coast. The algae release toxins that can lead to fish kills and respiratory issues for beachgoers and locals.

As of late 2023 and early 2024, there have been reports of red tide reappearing in certain parts of the Gulf Coast, including Sarasota. The bloom seems to have intensified during the fall and winter months, with reports of higher concentrations along beaches like Siesta Key, Longboat Key, and Venice Beach.

The timing of red tide blooms can vary from year to year, but typically, red tide is more common during late summer to fall. However, it can persist into the winter months, especially when environmental conditions such as water temperature, salinity, and winds are favorable for the algae to proliferate. The exact cause of red tide blooms is not fully understood, but they are often linked to nutrient-rich waters from runoff or other environmental factors.

What to expect and what you can do:

Current Conditions: Local beach and health advisories are regularly updated regarding red tide conditions. The Florida Fish and Wildlife Conservation Commission (FWC) monitors these blooms and provides reports on their intensity and location. Be sure to check these resources for up-to-date information.
Respiratory Irritation: If you experience coughing, sore throat, or watery eyes when near the beach or coastal areas, it's likely due to red tide. Avoiding affected areas, especially on windy days, is recommended for those with respiratory issues.
Fish Kills: If you see dead fish washed up on the shore, it's a sign of red tide's impact on marine life. It's best to avoid contact with these fish and to steer clear of swimming in affected areas.
Beaches to Avoid: Some of the worst-hit areas during red tide are typically the more exposed beaches, like those on the southern and central Gulf Coast. Sarasota beaches like Siesta Key and Lido Key can be impacted, but local conditions can change rapidly.

Red tide is a natural phenomenon, but it can be exacerbated by human activity, such as pollution or runoff from urban and agricultural areas. For now, it’s best to keep an eye on local advisories if you’re planning to visit the area and take precautions if you're sensitive to airborne toxins.

Red Tide

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