A bloom of the Florida red tide organism, Karenia brevis, persists in Southwest Florida.
In Southwest Florida over the past week, K. brevis was observed at background concentrations in one sample collected from Pinellas County, background to low concentrations in six samples collected from Manatee County, very low to high concentrations in 30 samples collected from Sarasota County, very low to medium concentrations in nine samples collected from Charlotte County, background to medium concentrations in seven samples collected from or offshore of Lee County, and very low to low concentrations in two samples collected from Collier County.
Additional samples collected throughout Florida over the past week did not containK. brevis.
Over the past week, fish kills were reported in Southwest Florida in Sarasota County (Crescent Beach, Lido Key, Manasota Beach, New Pass, Nokomis Beach, Siesta Key, Venice Beach), Charlotte County (Don Pedro Island, Englewood Beach, Gasparilla Sound, Little Gasparilla Beach, Manasota, Palm Island, Stump Pass), and Lee County (Boca Grande, Captiva Island, Gasparilla Island Range Lighthouse). Respiratory irritation was reported over the past week in Manatee (6/15 at Coquina Beach), Sarasota (6/8, 6/10-6/12, and 6/14-6/15 at Lido Key; 6/8 and 6/10-6/12 at Manasota Beach; 6/8 and 6/12-6/13 at Nokomis; 6/8, 6/11–6/13 and 6/15 at Siesta Key; 6/8-6/15 at Venice Beach, 6/8 and 6/12 at Venice North Jetty) and Lee (6/8 and 6/11-6/15 at Gasparilla Island Range Lighthouse) counties.
Forecasts by the USF-FWC Collaboration for Prediction of Red Tides for Pinellas to northern Monroe counties predict net northern movement of surface waters and southern, onshore movement of subsurface waters over the next three days.
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