Florida Red Tide Status Map, 12-9-16, Courtesy Of FWC, Florida Red Tide Report.

Florida Fishing Report: Red Tide Status, 12-9-16

Florida Red Tide Status Map, 12-9-16, Courtesy Of FWC, Florida Red Tide Report.
Florida Red Tide Status Map, 12-9-16, Courtesy Of FWC, Florida Red Tide Report.

Florida Fish & Wildlife Red Tide Status: Friday, December 9, 2016

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FWC released the Red Tide Status Report as of this afternoon.

Florida Fish & Wildlife Conservation Commission red tide bulletin at 2:46 PM 12/9/2016.

Red Tide Status (December 9, 2016)

A bloom of the Florida red tide organism, Karenia brevis, persists in Southwest Florida from southern Pinellas to Lee County, with patches observed along Collier County.

Over the past week, Karenia brevis was observed in low concentrations in four samples collected from Pinellas County; very low to medium concentrations in seven samples collected from Manatee County; very low to high concentrations in twenty-eight samples collected from Sarasota County; low to medium concentrations in twelve samples collected from Charlotte County; background to medium concentrations in nineteen samples collected from Lee County; and background to low concentrations in seven samples collected from Collier County.

Additional samples collected throughout Southwest Florida over the past week did not contain K. brevis.

Fish kills affecting multiple species have been reported along Manatee, Sarasota, Charlotte, and Lee counties over the past week. Respiratory irritation has also been reported in some areas of Sarasota County.  Forecasts for Southwest Florida by the USF-FWC Collaboration for Prediction of Red Tides show net southern, offshore movement of surface waters, and net southern, onshore movement of subsurface waters between southern Pinellas and northern Monroe counties over the next 3 days.

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 at this time of year (late summer or early fall). Red tide begins in the Gulf of Mexico 10 to 40 miles offshore and can be transported inshore by winds and currents.”

Key for Results

Description Karenia breviscells/liter Possible Effects (K. brevis only)
NOT PRESENT – BACKGROUND background levels of 1,000 cells or less None anticipated
VERY LOW >1,000 to 10,000 Possible respiratory irritation; shellfish harvesting closures >  5,000 cells/L
LOW >10,000 to 100,000 Respiratory irritation, possible fish kills and bloom chlorophyll probably detected by satellites at upper limits
MEDIUM >100,000 to 1,000,000 Respiratory irritation and probable fish kills
HIGH >1,000,000 As above plus discoloration

For more information, please see FWC.