Red tide florida beaches9/14/2023 ![]() Harmful algae blooms are temporary and usually happen in late summer or early fall, according to the Department of Health.Source: Florida Fish and Wildlife Conservation CommissionĪ red tide is a higher-than-normal concentration of a microscopic alga (plant-like organisms). What months does red tide normally occur in Florida? Fish kills near Tampa Bay were even mentioned in the records of Spanish explorers, according to FWC. No, red tides were documented in the southern Gulf of Mexico as far back as the 1700s and along Florida's Gulf coast in the 1840s. How long an algae bloom lasts depends on a number of factors, including such conditions as sunlight, nutrients and salinity, and the speed and direction of wind and water currents. Red tides can last for a few weeks or more than a year. Karenia brevis has not been observed in Northeast Florida and along Florida's East Coast. 24 update, Karenia brevis has been detected in 123 samples from and offshore Southwest Florida.Ĭoncentrations of more than 100,000 cells per liter were found in 75 samples: two in Pinellas County, seven in and offshore of Manatee County, 27 in and offshore of Sarasota County, seven in and offshore of Charlotte County, 22 in and offshore of Lee County, nine in and offshore of Collier County, and one offshore of Monroe County. Is red tide present in Florida right now? Tests are being conducted to see if coastal nutrients enhance or prolong blooms, according to the Florida Department of Health.
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