Sarasota County
Siesta Key Red Tide Today
Siesta Key is a barrier island on Florida's Gulf Coast in Sarasota County. FWC samples in this area commonly use Siesta Beach and nearby Sarasota County locations, so this page keeps the original sample names visible.
not present/background (0-1,000) at Dunmore Dr; W of (Little Sarasota Bay), sampled 2026-09-11, 6.4 km from Siesta Key.
FWC live records are fetched from the usual last 8 days. The freshness card below shows whether the newest matched sample is still inside that window.
Siesta Key data freshness
Sep 16, 2026, 9:32 AM EDT
2026-09-14
2 days
2026-09-11 (5 days old)
Dunmore Dr; W of (Little Sarasota Bay)
If the sample age becomes older than the usual 8-day live sample window, this card will mark the page as outside window and say that no newer matched FWC sample was found. Freshness is based on public FWC sample dates and the static page build time.
Siesta Key Red Tide And Beach Conditions
This page covers the red tide layer for Siesta Key: nearby public FWC Karenia brevis samples and NOAA respiratory forecast text where available. It does not report beach flag color, tide charts, surf, or local operations.
Siesta Key Beach Report Today
Use the sample date, source location, and original FWC abundance text below to see how recent the nearby red tide record is. For flag color, beach access, tide timing, or surf conditions, check official local beach-condition sources alongside this page.
Siesta Key Conditions From Official Samples
This page summarizes nearby public FWC red tide samples for Siesta Key conditions today. It keeps the original FWC location names, sample dates, and abundance text visible so the source record can be checked directly.
Official Red Tide Sources
Nearest Sample Readings
| FWC location | Distance | Sample date | Abundance | Depth |
|---|---|---|---|---|
| Dunmore Dr; W of (Little Sarasota Bay) | 6.4 km | 2026-09-11 | not present/background (0-1,000) | 0.5 m |
| Ringling Causeway | 6.9 km | 2026-09-14 | not present/background (0-1,000) | 0.5 m |
| Osprey Fishing Pier; NW of (Little Sarasota Bay) | 9 km | 2026-09-11 | not present/background (0-1,000) | 0.5 m |
| Longboat Key Beach | 14.3 km | 2026-09-14 | not present/background (0-1,000) | 0.5 m |
| Longboat Pass Boat Ramp (Sarasota Bay) | 24.3 km | 2026-09-14 | not present/background (0-1,000) | 0.5 m |
Sample Point Distribution
Current matched FWC source names for this page are grouped below. These are monitoring locations, not whole-beach measurements.
- Dunmore Dr; W of (Little Sarasota Bay)1 current sample
- Longboat Key Beach1 current sample
- Longboat Pass Boat Ramp (Sarasota Bay)1 current sample
- Osprey Fishing Pier; NW of (Little Sarasota Bay)1 current sample
- Ringling Causeway1 current sample
What This Page Can And Cannot Answer
It can show nearby public FWC sample text, the exact source location, sample date, NOAA forecast text where available, and nearby beach pages.
It cannot issue medical advice, beach closure guidance, travel advice, or a site-owned concentration estimate.
NOAA Respiratory Forecast
Very low at Longboat Key Beach, +3h, valid 2026-09-16T17:00:00+00:00.
2026-09-16T09:00:00-04:00
NOAA forecasts potential respiratory irritation at individual beach locations using cell count category, wind speed, wind direction, and shoreline angle. RedTideToday displays NOAA forecast text as reported.
| Hour | Forecast | Valid time | NOAA location | Distance | Wind speed | Wind category |
|---|---|---|---|---|---|---|
| +3h | Very low | 2026-09-16T17:00:00+00:00 | Longboat Key Beach | 14.3 km | 15.6 kt | Offshore |
| +3h | Very low | 2026-09-16T17:00:00+00:00 | Longboat Pass Boat Ramp (Sarasota Bay) | 24.3 km | 14.8 kt | Offshore |
| +6h | Very low | 2026-09-16T20:00:00+00:00 | Longboat Key Beach | 14.3 km | 17.4 kt | Offshore |
| +6h | Very low | 2026-09-16T20:00:00+00:00 | Longboat Pass Boat Ramp (Sarasota Bay) | 24.3 km | 15.6 kt | Offshore |
| +9h | Very low | 2026-09-16T23:00:00+00:00 | Longboat Key Beach | 14.3 km | 20 kt | Offshore |
| +9h | Very low | 2026-09-16T23:00:00+00:00 | Longboat Pass Boat Ramp (Sarasota Bay) | 24.3 km | 19.1 kt | Offshore |
| +12h | Very low | 2026-09-17T02:00:00+00:00 | Longboat Key Beach | 14.3 km | 20 kt | Offshore |
| +12h | Very low | 2026-09-17T02:00:00+00:00 | Longboat Pass Boat Ramp (Sarasota Bay) | 24.3 km | 17.4 kt | Offshore |
| +15h | Very low | 2026-09-17T05:00:00+00:00 | Longboat Key Beach | 14.3 km | 17.4 kt | Offshore |
| +15h | Very low | 2026-09-17T05:00:00+00:00 | Longboat Pass Boat Ramp (Sarasota Bay) | 24.3 km | 13.9 kt | Offshore |
| +18h | Very low | 2026-09-17T08:00:00+00:00 | Longboat Key Beach | 14.3 km | 15.6 kt | Offshore |
| +18h | Very low | 2026-09-17T08:00:00+00:00 | Longboat Pass Boat Ramp (Sarasota Bay) | 24.3 km | 13 kt | Offshore |
Recent Trend
- 2026-09-14 not present/background (0-1,000) at Ringling Causeway
- 2026-09-11 not present/background (0-1,000) at Dunmore Dr; W of (Little Sarasota Bay)
Nearby Beaches
- Lido Key 5.6 km
- Longboat Key 19.4 km
- Venice Beach 20.5 km
- Anna Maria Island 35.6 km
Red Tide History Here
Historical FWC location aliases used for this page include Siesta Beach. Historical samples are used for page selection and context, not for today's status.
What This Level Means
FWC abundance categories include not present/background, very low, low, medium, and high. This site displays FWC text as reported and links to official sources for health guidance.
FAQ
Is there red tide near Siesta Key today?
not present/background (0-1,000) at Dunmore Dr; W of (Little Sarasota Bay), sampled 2026-09-11, 6.4 km from Siesta Key.
Is there red tide in Siesta Key today?
Use this page for nearby FWC red tide samples and the linked FWC, NOAA, county, or local beach authority pages for official beach guidance.
Does this page calculate a beach-wide concentration?
No. It shows nearby public FWC sample readings and the original FWC abundance text.
Coming soon
Red Tide Alert Signup
Daily red tide email alerts are being prepared for tracked Florida beaches. The live site does not store subscriptions yet, so this box is a clear placeholder rather than a working alert promise.