In observance of the Christmas holiday, our offices will be closed on Thursday, December 25th & Friday, December 26th. County Offices will reopen with normal business hours on Monday, December 29th.
Published on December 18, 2025
Below are the most recent sample results. No reports of respiratory irritation or fish kills have been received. To get the current beach conditions, please visit https://visitbeaches.org.
No red tide impacts are expected at this time. To get the red tide respiratory forecast, please visit Gulf Coast Red Tide Respiratory Forecast.
The next sample collection will be Monday, December 22, 2025. Results may be available late Tuesday, December 23, 2025.
More resources:
Sample Results
Sample Date
Location
*Results
Sampling Agency
12/16/2025
Barefoot Beach
NOT PRESENT
Pollution Control
Vanderbilt Beach
Seagate Beach
Naples Pier
South Marco Beach
*KEY TO RED TIDE LEVELS—Table provided by Florida Wildlife Research Institute (FWRI)
Description
Karenia brevis cells/L
Possible Effects (Karenia brevis only)
NOT PRESENT – BACKGROUND
0 – 1,000
None anticipated
VERY LOW
>1,000 – 10,000
Possible respiratory irritation; shellfish harvesting closures ≥ 5,000 cells/L
LOW
>10,000 – 100,000
Respiratory irritation; possible fish kills and bloom chlorophyll probably detected by satellites at upper range
MEDIUM
>100,000 – 1,000,000
Respiratory irritation and probable fish kills
HIGH
>1,000,000
As above plus discoloration