Red Tide Status (February 24, 2017)
A bloom of the Florida red tide organism, Karenia brevis, persists in Southwest Florida from southern Pinellas to Collier counties.
Over the past week, Karenia brevis was observed at very low to medium concentrations in five samples collected from Pinellas County; very low to medium concentrations in eleven samples collected from Manatee County; low to medium concentrations in twenty-six samples collected from Sarasota County; background to high concentrations in thirteen samples collected from Charlotte County; background to low concentrations in sixteen samples collected from Lee County; and very low to medium concentrations in five samples collected from Collier County.
Additional samples collected throughout Florida over the past week did not contain K. brevis.
Fish kills have been reported at Manasota Beach (Charlotte County), Bonita Beach (Lee County), and Marco Island (Collier County) over the past week. Respiratory irritation has been reported in Manatee County (at Coquina Beach), Sarasota County (Lido Key, Siesta Key, Venice North Jetty, Venice Beach), Charlotte County (Manasota Beach), and Collier County (Naples Pier, and South Marco Beach). Forecasts for Southwest Florida by the USF-FWC Collaboration for Prediction of Red Tides predict net southern movement of surface waters and net southern, onshore movement of subsurface waters from Pinellas to northern Monroe counties over the next three days.
View map (PDF 220 KB) (February 24, 2017)
Regional Status Reports and Maps (February 24, 2017)
Southwest coast report (PDF 120KB) and map (PDF 220KB) East coast report (PDF 40KB) and map (PDF 264KB)Northwest coast report (PDF 48KB) and map (PDF 244KB)To see detailed information on this week's samples, view the current Statewide Google Earth map for February 24, 2017.
By using Google Earth, you can zoom in to specific locations and click on stations to see detailed information, including sample date and cell concentration. You must have Google Earth installed on your computer to view this map; the software can be downloaded from the Google Earth website.
The FWRI Red Tide Status Line is now available to callers throughout the state. FWRI updates the recording each Friday by 5 p.m. Red Tide Status Line: 866-300-9399 (toll-free inside Florida only); 727-552-2448 (outside Florida).
Reports are updated on Friday afternoon except during holidays, in which case the report will be released on the closest day. Additional information, if available, is provided on Wednesday afternoon. To receive an e-mail when the current status has been updated, visit our subscription area.
FWC's Red Tide Action Report
Red tide is a naturally-occurring microscopic alga that has been documented along Florida’s Gulf Coast since the 1840’s and occurs nearly every year. Blooms, or higher-than-normal concentrations, of the Florida red tide alga, Karenia brevis, frequently occur in the Gulf of Mexico. Red tide begins in the Gulf of Mexico 10 to 40 miles offshore and can be transported inshore by winds and currents.
FWC Actions and Partnerships:
Red Tide Resources
Previous Regional Status Reports and Maps
February 17, 2017Southwest coast report (PDF 124KB) and map (PDF 224KB) East coast report (PDF 48KB) and map (PDF 228KB)Northwest coast report (PDF 56KB) and map (PDF 248KB)Google Earth mapFebruary 10, 2017Southwest coast report (PDF132KB) and map (PDF 176KB) East coast report (PDF 32KB) and map (PDF 192KB)Northwest coast report (PDF 44KB) and map (PDF 240KB)Google Earth map
February 3, 2017Southwest coast report (PDF152KB) and map (PDF 188KB) East coast report (PDF 34KB) and map (PDF 227KB)Northwest coast report (PDF 39KB) and map (PDF 237KB)Google Earth map
Status maps can be found on Flickr
Key for Results
As above plus discoloration
Hotlines and Information Sources
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