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Milady — Biarritz
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
25- 🏄 Surfing (Less than 30 min) on 11/08/2026 · symptoms on 12/08/2026🔴 Severe👃 Throat / nose irritation🫁 Breathing difficulty
- 🏊 Swimming (More than 3 h) on 04/08/2026 · symptoms on 06/08/2026🟠 Moderate🌡️ Fever / chills💫 Dizziness
- 🏊 Swimming (More than 3 h) on 04/08/2026 · symptoms on 05/08/2026🟢 Mild🫁 Breathing difficulty💫 Dizziness
- 🌊 Open-water swimming (30 min to 1 h) on 04/08/2026 · symptoms on 05/08/2026🔴 Severe🩹 Skin irritation
- 🌊 Open-water swimming (1 h to 3 h) on 04/08/2026 · symptoms on 04/08/2026🟠 Moderate😷 Cough
- 🏊 Swimming (More than 3 h) on 29/07/2026 · symptoms on 31/07/2026🟢 Mild😷 Cough👁️ Irritated eyes🩹 Skin irritation
- 🏊 Swimming (More than 3 h) on 30/07/2026 · symptoms on 31/07/2026🟠 Moderate🫁 Breathing difficulty
- 🌊 Open-water swimming (1 h to 3 h) on 29/07/2026 · symptoms on 30/07/2026🟠 Moderate🤮 Digestive problems (gastro)🌡️ Fever / chills👃 Throat / nose irritation
- 🌊 Open-water swimming (Less than 30 min) on 28/07/2026 · no symptoms
- 🏊 Swimming (30 min to 1 h) on 24/07/2026 · symptoms on 24/07/2026🟠 Moderate👃 Throat / nose irritation
- 🚶 Walk along the seashore (1 h to 3 h) on 19/07/2026 · symptoms on 19/07/2026🔴 Severe😷 Cough🫁 Breathing difficulty👃 Throat / nose irritation
- 🚶 Walk along the seashore (30 min to 1 h) on 14/07/2026 · symptoms on 14/07/2026🟢 Mild😷 Cough
- 🚶 Walk along the seashore (1 h to 3 h) on 14/07/2026 · symptoms on 14/07/2026🔴 Severe🫁 Breathing difficulty🤕 Headache
- 🏄 Surfing (1 h to 3 h) on 12/07/2026 · symptoms on 12/07/2026🟠 Moderate😷 Cough👃 Throat / nose irritation
- 🚶 Walk along the seashore (1 h to 3 h) on 11/07/2026 · symptoms on 11/07/2026🟠 Moderate🫁 Breathing difficulty👃 Throat / nose irritation
- 🏊 Swimming (1 h to 3 h) on 11/07/2026 · symptoms on 11/07/2026🔴 Severe😷 Cough🫁 Breathing difficulty
- 🚶 Walk along the seashore (More than 3 h) on 11/07/2026 · symptoms on 11/07/2026🔴 Severe😷 Cough🫁 Breathing difficulty👃 Throat / nose irritation
- 🌊 Open-water swimming (1 h to 3 h) on 11/07/2026 · symptoms on 11/07/2026🟠 Moderate🫁 Breathing difficulty👃 Throat / nose irritation🌡️ Fever / chills👁️ Irritated eyes
- 🚶 Walk along the seashore (More than 3 h) on 11/07/2026 · symptoms on 11/07/2026🟠 Moderate🫁 Breathing difficulty
- 🏄 Surfing (30 min to 1 h) on 08/07/2026 · symptoms on 10/07/2026🟠 Moderate🩹 Skin irritation
- 🏄 Surfing (Less than 30 min) on 06/07/2026 · no symptoms
- 🏊 Swimming (1 h to 3 h) on 05/07/2026 · no symptoms
- 🏄 Surfing (30 min to 1 h) on 03/07/2026 · no symptoms
- 🏊 Swimming (Less than 30 min) on 01/07/2026 · symptoms on 02/07/2026🟢 Mild🤮 Digestive problems (gastro)👃 Throat / nose irritation
- 🏄 Surfing (1 h to 3 h) on 01/07/2026 · symptoms on 02/07/2026🟢 Mild🤕 Headache🩹 Skin irritation
Testimonials are anonymous and shown after moderation. Correlation does not imply causation.
Full sampling history
| Sample | Result | Cells/L | siamensis | ovata | Temp. | Status |
|---|
The beach
Tides, daylight and practical information — unrelated to water quality.
Practical information
Sand420 m of beach
Nearby
🅿️ Car park🚻 Toilets🚿 Showers🚰 Drinking water🍽️ Food and drink
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.