Protect yourself and family against Florida Red Tide exposure. Please read signage when you go to area beaches. Not all beaches are affected. Conditions can change daily. Check the Mote Marine twice daily Beach Conditions Report at https://www.visitbeaches.org/ or call 1-941-BEACHES

Red Tide Observed Effects at Monitored Beaches
Location Date Cell Count /L
Longboat Key 05/12/2025 0
Bird Key Park 05/12/2025 0
North Lido Beach 05/12/2025 0
Lido Beach (Casino) 05/12/2025 0
South Lido Park 05/12/2025 0
Siesta Key 05/12/2025 0
Turtle Beach 05/12/2025 N/A
Nokomis Beach 05/12/2025 0
North Jetty 05/12/2025 0
Venice Beach 05/12/2025 0
Service Club Park 05/12/2025 0
Venice Fishing Pier 05/12/2025 0
Brohard Beach 05/12/2025 0
Caspersen Beach 05/12/2025 N/A Beach Closed
Manasota Beach 05/12/2025 0
Blind Pass 05/12/2025 0

Table Data Last Modified: Thu May 15, 2025 17:07:19 EDT

Description Karenia brevis cells/L Possible Effects (Karenia brevis only)
Not present in background 0 - 1,000 None Anticipated
Very Low > 1,000 - 10,000 Possible respiratory irritation; shellfish harvesting closures > 6 cells/mL
Low > 10,000 -< 100,000 Respiratory irritation; possible fish kills and bloom chlorophyll probably detected by satellites at upper range.
Medium > 101,000 -< 1,000,000 Respiratory irritation and probably fish kills
High > 1,000,000 As above plus discoloration

Table Data Last Modified: Thu Nov 14, 2024 11:30:41 EST

Red tides have been documented along Florida's gulf coast since the 1840’s.

It is important to realize that many people still enjoy the beaches during red tides. Respiratory irritation and dead fish are not always present.People may experience respiratory irritation (coughing, sneezing, and tearing) when the red tide organism is present along a coast and winds blow its aerosol onshore. A Red Tide Rack Card [PDF 2.36MB] with useful facts and tips about red tide is available.

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