Red Tide Current Status

This summary report of current red tide conditions around Florida includes a map of sampling results and regional status reports.

Midweek Red Tide Update (October 17, 2014)

Karenia brevis, the Florida red tide organism, was not detected in samples analyzed so far this week in and alongshore of Bay, Gulf, Franklin, Wakulla, Taylor, Dixie, Levy, or Pasco counties.  In southwest Florida, several samples collected in and alongshore of Charlotte and Lee counties contained background to low concentrations of K. brevis

Satellite images from the Optical Oceanography Laboratory at the University of South Florida show bloom patches offshore of Franklin, Wakulla, Jefferson, and Taylor counties in the northwest Gulf of Mexico and along and offshore of the Sanibel Island area (Charlotte and Lee counties) in southwest Florida. Samples along and offshore of Charlotte and Lee counties confirm a bloom of K. brevis in this region.

Other samples collected throughout Florida so far this week did not contain K. brevis.

Red Tide Status Map (October 22, 2014)

Statewide Red Tide Counts October 22, 2014      
See larger map Adobe PDF

Forecasts by the USF-FWC Collaboration for Prediction of Red Tides (CPR), a partnership between the University of South Florida’s College of Marine Science and the Florida Fish & Wildlife Conservation Commission, project W/NW movement of surface waters and no movement of bottom waters offshore of Franklin, Wakulla and Taylor counties; W/NW movement of surface waters and inshore movement of bottom waters offshore of Dixie and Levy counties; and little movement of waters offshore of Charlotte and Lee counties. Based on these forecasts and observed red tide concentrations, the map below shows the potential for red tide effects within 5 km of shore. Inshore red tide effects may include fish kills and respiratory irritation. No warranty is made, expressed, or implied regarding accuracy or the suitability of this test product for any particular application.

Red Tide Forecast Map (October 22, 2014)

Red Tide Forecast Map October 122, 2014
See larger map Adobe PDF

Regional Status Reports and Maps Adobe PDF (October 17, 2014)

Southwest coast report and map
East coast report and map
Northwest coast report and map

To see detailed information on this week's samples, view the current Statewide Google Earth map for October 17, 2014.

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. External 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.

Previous Regional Status Reports and Maps

October 10, 2014
Southwest coast report and map
East coast report and map
Northwest coast report and map
Google Earth map

October 3, 2014
Southwest coast report and map
East coast report and map
Northwest coast report and map
Google Earth map

September 26, 2014
Southwest coast report and map
East coast report and map
Northwest coast report and map
Google Earth map

September 19, 2014
Southwest coast report and map
East coast report and map
Northwest coast report and map
Google Earth map

September 12, 2014
Southwest coast report and map
East coast report and map
Northwest coast report and map
Google earth map

September 5, 2014
Southwest coast report and map
East coast report and map
Northwest coast report and map
Google earth map

Key for Results

Description Karenia brevis cells/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


Hotlines and Information Sources



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