Red tide is a common term used to describe a type of harmful algal bloom (HAB) resulting when colonies of algae proliferate and produce harmful effects to humans, fish, shellfish or other organisms. When the algae are present in high concentrations, …

Jan 29, 2025 · Large concentrations of this organism, called blooms or ‘red tides,’ can discolor water red to brown, giving it its name. Karenia brevis produces brevetoxins, which may lead to adverse health impacts for humans and potentially fatal impacts for wildlife.

Feb 4, 2025 · A red tide bloom that moved nearshore to Sanibel and Captiva last week is increasing in intensity and continues to impact the islands. Both islands saw medium to high concentrations of the red tide organism, Karenia brevis, detected in samples from both SCCF’s Marine Laboratory and the Florida Fish & Wildlife Conservation Commission. Hundreds ...

3 days ago · Hundreds of dead fish have washed up in a canal near Sanibel due to red tide. The Florida Fish and Wildlife Conservation Commission ‘s red tide status map shows medium to high concentrations ...

Feb 4, 2025 · A swath of red tide stretching for more than 200 miles has formed from Tampa Bay to Key West and moved ashore along much of Southwest Florida’s coast. The concentration of the organism that causes red tide, Karenia brevis, is weak in some places. In others, the red tide bloom is so strong it has turned the blue-green seawater burnt orange for ...

6 days ago · Red tide health alerts for Lighthouse Beach, Bowman's Beach, and Blind Pass/Turner Beach remain in effect. ... Sanibel, FL 33957. 239-472-4135. Utilities Department ...

Jan 30, 2025 · SANIBEL, Fla. — In recent days Southwest Florida has seen several health alerts issued for red tide along our beaches. But do we need to worry? Experts say not so fast.

Lee County, Fla. — The Florida Department of Health in Lee County (DOH-Lee) has issued a health alert for the presence of red tide near Sanibel Island 8.6 miles Offshore. This is in response to a water sample taken on December 5, 2024. The public should exercise caution in …

19 hours ago · Red Tide bloom extends from Sanibel to Naples. State officials say, at high enough concentrations, K. brevis can also discolor water and give it a red or brown hue.

Today, Jan. 31, the Florida Department of Health in Lee County (DOH-Lee) issued a health alert for the presence of red tide near the Lighthouse Beach on Sanibel, as well as Cayo Costa (offshore, 16 miles west of mainland), Lynn Hall Park and Bokeelia (offshore, three miles north of Charlotte Harbor).