Water quality
Monitoring of the Ostreopsis micro-algae: samples, history and reports.
Concentration trends
Logarithmic scale. Zero values and "below detection threshold" values cannot be plotted on this scale (see the full table below). Dark red dots indicate a beach closure.
Approved testimonials
27- 🏊 Swimming (30 min to 1 h) on 13/08/2026 · symptoms on 15/08/2026🟠 Moderate👁️ Irritated eyes👃 Throat / nose irritation
- 🏊 Swimming (More than 3 h) on 12/08/2026 · symptoms on 13/08/2026🔴 Severe😷 Cough🫁 Breathing difficulty
- 🏄 Surfing (Less than 30 min) on 10/08/2026 · symptoms on 10/08/2026🟢 Mild💪 Muscle aches👃 Throat / nose irritation
- 🏊 Swimming (30 min to 1 h) on 08/08/2026 · symptoms on 09/08/2026🔴 Severe🤢 Nausea👁️ Irritated eyes🩹 Skin irritation
- 🌊 Open-water swimming (30 min to 1 h) on 07/08/2026 · symptoms on 09/08/2026🟢 Mild🤮 Digestive problems (gastro)
- 🤿 Diving (30 min to 1 h) on 07/08/2026 · symptoms on 08/08/2026🟠 Moderate🫁 Breathing difficulty
- 🏊 Swimming (1 h to 3 h) on 07/08/2026 · symptoms on 07/08/2026🔴 Severe🩹 Skin irritation💪 Muscle aches🤕 Headache
- 🏄 Surfing (Less than 30 min) on 04/08/2026 · no symptoms
- 🚶 Walk along the seashore (More than 3 h) on 31/07/2026 · symptoms on 01/08/2026🟠 Moderate🫁 Breathing difficulty🩹 Skin irritation💪 Muscle aches
- 🌊 Open-water swimming (Less than 30 min) on 31/07/2026 · symptoms on 01/08/2026🟠 Moderate😷 Cough🫁 Breathing difficulty👃 Throat / nose irritation
- 🌊 Open-water swimming (30 min to 1 h) on 01/08/2026 · no symptoms
- 🌊 Open-water swimming (More than 3 h) on 31/07/2026 · symptoms on 31/07/2026🟠 Moderate👃 Throat / nose irritation💪 Muscle aches
- 🏊 Swimming (30 min to 1 h) on 30/07/2026 · symptoms on 31/07/2026🟠 Moderate😷 Cough🫁 Breathing difficulty💫 Dizziness
- 🏊 Swimming (1 h to 3 h) on 29/07/2026 · symptoms on 30/07/2026🟠 Moderate🩹 Skin irritation🫁 Breathing difficulty🤢 Nausea
- 🏊 Swimming (Less than 30 min) on 21/07/2026 · symptoms on 21/07/2026🟢 Mild🌡️ Fever / chills
- 🏄 Surfing (30 min to 1 h) on 19/07/2026 · symptoms on 20/07/2026🔴 Severe🌡️ Fever / chills👃 Throat / nose irritation
- 🌊 Open-water swimming (Less than 30 min) on 19/07/2026 · no symptoms
- 🏄 Surfing (30 min to 1 h) on 19/07/2026 · no symptoms
- 🏄 Surfing (More than 3 h) on 15/07/2026 · symptoms on 15/07/2026🟢 Mild👁️ Irritated eyes
- 🚶 Walk along the seashore (1 h to 3 h) on 12/07/2026 · symptoms on 14/07/2026🟠 Moderate💪 Muscle aches🤢 Nausea👃 Throat / nose irritation
- 🌊 Open-water swimming (Less than 30 min) on 14/07/2026 · symptoms on 14/07/2026🟠 Moderate🌡️ Fever / chills
- 🚶 Walk along the seashore (More than 3 h) on 12/07/2026 · symptoms on 13/07/2026🔴 Severe🫁 Breathing difficulty
- 🚶 Walk along the seashore (More than 3 h) on 10/07/2026 · symptoms on 11/07/2026🟠 Moderate🫁 Breathing difficulty🌡️ Fever / chills
- 🏊 Swimming (Less than 30 min) on 07/07/2026 · symptoms on 09/07/2026🟢 Mild🤮 Digestive problems (gastro)
- 🏄 Surfing (30 min to 1 h) on 05/07/2026 · symptoms on 06/07/2026🟠 Moderate🌡️ Fever / chills🫁 Breathing difficulty
- 🌊 Open-water swimming (30 min to 1 h) on 02/07/2026 · symptoms on 03/07/2026🟢 Mild😷 Cough
- 🚶 Walk along the seashore (More than 3 h) on 01/07/2026 · symptoms on 03/07/2026🟠 Moderate🩹 Skin irritation👁️ Irritated eyes👃 Throat / nose irritation
Testimonials are anonymous and shown after moderation. Correlation does not imply causation.
Full sampling history
| Sample | Result | Cells/L | siamensis | ovata | Temp. | Status |
|---|---|---|---|---|---|---|
| 17/07/2026 | 18/07/2026 | 21 040 | — | — | 25.2°C | Moderate |
| 02/07/2026 | 03/07/2026 | 1 400 | 3% | 97% | 23.8°C | Low |
| 30/06/2026 | 01/07/2026 | 1 400 | 4% | — | — | Low |
The beach
Tides, daylight and practical information — unrelated to water quality.
Practical information
Plage de sable fin, surveillée en saison.(Description available in French only.)
🛟 Lifeguarded swimming· 11:00–19:00Sand360 m of beach♿ Limited wheelchair access
Nearby
🅿️ Car park🚻 Toilets🚿 Showers🍽️ Food and drink🏄 Surf school
View this beach on OpenStreetMap — General information © OpenStreetMap contributors (ODbL)
Data sources
- Official samples: Communauté d'Agglomération Pays Basque (CAPB) — the only ones used for status and closures.
- Tides: Open-Meteo forecasts (indicative).
- General beach information: OpenStreetMap contributors (ODbL) — may be incomplete or out of date.