Red Tide Current Status

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


Red Tide Status
(March 27, 2015)

Karenia brevis, the Florida red tide organism, was found in background concentrations in one sample collected alongshore of Charlotte County, one sample collected alongshore of Okaloosa County, one sample collected inshore of Bay County, and in one sample collected inshore of Gulf County.  Additional samples collected throughout Florida this week did not contain K. brevis.

Red Tide Status Map (March 27, 2015)

Statewide red tide counts March 19 - 26, 2015

View a larger map  Adobe PDF (March 27, 2015)

Regional Status Reports and Maps Adobe PDF (March 27, 2015)

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 March 27, 2015.

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

March 20, 2015
Southwest coast report and map
East coast report and map
Northwest coast report and map
Google Earth map

March 13, 2015
Southwest coast report and map
East coast report and map
Northwest coast report and map
Google Earth map

March 6, 2015
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



FWC Facts:
Sawfish look like sharks but are actually a type of ray. Their gill slits are on the bottom of their bodies, like stingrays.

Learn More at AskFWC