Regional Red Tide Summaries (May 24, 2013)
Previous Red Tide Status Reports and Regional Maps
Statewide Google Earth Map (May 24, 2013)
Current Map of Red Tide Counts (May 24, 2013)
Hotlines and Information Sources
Reports are generally updated on Friday afternoon (except during holiday, in which case the report will be released on the closest day). Additional information, if available, is provided on Wednesday afternoon.
To receive an email when the current status has been updated please visit our subscription area.
Regional Red Tide Summaries (May 24, 2013)
East Region: Karenia brevis, the Florida red tide organism, was not found in water samples collected this week in the Indian River Lagoon (Brevard and Volusia counties), inshore of Duval and Clay counties or alongshore of Palm Beach and Dade counties.
A bloom of the brown tide organism Aureoumbra lagunensis has been detected in the Northern Indian River Lagoon and Mosquito Lagoon (Brevard County) for the past two weeks.
East coast current status report - May 24, 2013
East coast regional map - May 24, 2013
Northwest Region: Karenia brevis, the Florida red tide organism, was not detected in samples collected this week alongshore of Okaloosa, Walton, Franklin, Levy and Citrus counties or offshore of Okaloosa County. Two samples collected in St. Andrews Bay (Bay County) and one collected in St. Joe Bay (Gulf County) each contained background concentrations of K. brevis.
Northwest coast current status report - May 24, 2013
Northwest coast regional map - May 24, 2013
Southwest Region:Karenia brevis, the Florida red tide organism, was found in background concentrations in several samples collected alongshore, inshore and offshore of Pinellas, Hillsborough, Manatee, Sarasota, Charlotte and Lee counties this week. One sample collected alongshore of Pinellas County contained very low concentrations. Other samples collected throughout southwest Florida did not contain K. brevis.
Southwest coast current status report - May 24, 2013
Southwest coast regional map - May 24, 2013
The FWRI Red Tide Status Line is now available to callers to hear a recording detailing red tide conditions throughout the state. FWRI updates the recording each Friday by 5 p.m. after sampling efforts for the week have been completed and analyzed. Red Tide Status Line: (866) 300-9399 (toll-free inside Florida only); (727) 552-2448 (outside Florida).
Other Harmful Algal Bloom Species
If you would like to learn more about other HAB species known to occur in Florida waters, see our Flickr 
page for brief descriptions and images.
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Google Earth Maps
Users can utilize Google Earth maps to zoom in and zoom out on different sections of the state, and click on a sample location for specific information including latitude and longitude, sample date, and cell concentration ranges.
In order to view this map, you must have Google Earth installed on your computer. The Google Earth software can be downloaded from the Google Earth Web site
View the current Statewide Google Earth map for May 24, 2013 to see detailed information on this week's samples.
Previous statewide Google Earth maps
May 17, 2013
May 10, 2013
May 3, 2013
Map of Red Tide Counts
View larger map 
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Previous Red Tide Status Reports and Regional Maps
Select a date to view a PDF file of previous status reports and regional maps for each region.
You will need Adobe Reader to view PDF files. To download Adobe Reader, visit http://get.adobe.com/reader/
East Coast
Status Report
May 17, 2013
May 10, 2013
May 3, 2013
Regional Map
May 17, 2013
May 10, 2013
May 3, 2013
Northwest Coast
Status Report
May 17, 2013
May 10, 2013
May 3. 2013
Regional Map
May 17, 2013
May 10, 2013
May 3, 2013
Southwest Coast
Status Report
May 17, 2013
May 10, 2013
May 3, 2013
Regional Map
May 17, 2013
May 10, 2013
May 3, 2013
Visit the Florida HAB Archived Status Maps Gallery for maps for the current and previous years.
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
|
Volunteers
MANY THANKS to the captains who collect offshore samples as part of FWRI's Volunteer Red Tide Offshore Monitoring Program. Learn more about our volunteer program.
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Persons with Disabilities