The red tide organism, Karenia brevis, still remains in Southwest Florida from northern Pinellas to northern Collier counties and extends offshore (10 miles or more).
Red tide concentrations increased in northern Collier counties over the past week. High observations also occurred in Southwest Florida over the past week in Charlotte and Lee counties and 25 miles offshore of Lee County.
Reports of fish kills were received for multiple locations in and/or offshore of Charlotte and Lee counties.
