Red tide continues to plague Florida’s Gulf Coast, with high concentrations of the harmful algae Karenia brevis detected in multiple counties.
Over the past week, the Florida Fish and Wildlife Conservation Commission (FWC) has observed K. brevis in 86 samples collected from the Gulf Coast. Bloom concentrations, exceeding 100,000 cells per liter, were found in 22 samples, primarily in Sarasota, Charlotte, and Collier counties.
READ: Florida Recreational Red Grouper Harvest, Lane Snapper Opens In Gulf State Waters Jan. 1
Scientists are utilizing satellite imagery to monitor the bloom’s movement. Recent images revealed a significant patch of chlorophyll offshore of Collier County and smaller patches west of Monroe County and the Florida Keys. While K. brevis is likely contributing to these patches, further sampling and analysis are underway to confirm the presence of other algal species.
The presence of red tide can have several adverse effects:
- Fish Kills: Fish kills suspected to be related to red tide have been reported in Sarasota, Charlotte, Lee, and Collier counties.
- Respiratory Irritation: Respiratory irritation, a common symptom of red tide exposure, has also been reported in these counties.
- Water Discoloration: High concentrations of K. brevis can cause water discoloration, potentially impacting tourism and recreation.
The FWC is collaborating with the University of South Florida and the National Oceanic and Atmospheric Administration (NOAA) to monitor red tide conditions and provide forecasts. These forecasts help inform the public about potential impacts and allow individuals to make informed decisions about beach visits and recreational activities.
Current Status and Outlook
- Southwest Florida: K. brevis was observed at varying concentrations in Pinellas, Manatee, Sarasota, Charlotte, Lee, and Collier counties.
- Northwest Florida: Very low concentrations were detected offshore of Levy County.
- East Coast: No K. brevis was observed along the Florida East Coast.
Forecasts predict variable movement of red tide over the coming days. The next status report will be issued on Wednesday, January 15th.
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