France · Loire-Atlantique
Saint Michel
Loire-Atlantique, France
On the beach
Right now
Sample dataIllustrative conditions — the live Open-Meteo marine feed wasn't reachable, so these are deterministic placeholder values that will be replaced automatically once the feed is available.
7-day outlook
Sample dataModeled placeholder forecast for demonstration — will be replaced by a live marine-weather feed.
Sea temperature
Next 7 days, °C
Wave height
Next 7 days, metres
View as table
| Day | Sea temp (°C) | Wave height (m) |
|---|---|---|
| Wed 2 | 25.3 | 0.3 |
| Thu 3 | 24.8 | 0.3 |
| Fri 4 | 24.4 | 0.3 |
| Sat 5 | 24.3 | 0.3 |
| Sun 6 | 24.7 | 0.3 |
| Mon 7 | 25.2 | 0.3 |
| Tue 8 | 25.5 | 0.3 |
Water quality history
Official EEA classification, one rating per bathing season, 2015–2025 — real data reported by national authorities.
- 2015: Excellent2015
- 2016: Good2016
- 2017: Good2017
- 2018: Excellent2018
- 2019: Excellent2019
- 2020: Excellent2020
- 2021: Excellent2021
- 2022: Excellent2022
- 2023: Good2023
- 2024: Excellent2024
- 2025: Excellent2025
Excellent in the most recent season, and 11 of 11 classified years rated Excellent or Good.
- Excellent
- Good
- Sufficient
- Poor
- Not classified
View as table
| Year | Classification |
|---|---|
| 2015 | Excellent |
| 2016 | Good |
| 2017 | Good |
| 2018 | Excellent |
| 2019 | Excellent |
| 2020 | Excellent |
| 2021 | Excellent |
| 2022 | Excellent |
| 2023 | Good |
| 2024 | Excellent |
| 2025 | Excellent |
Typical sea temperature by month
Modeled estimatePlausible seasonal climatology derived from latitude, for illustration — not a measured average.
Monthly sea temperature
Typical range across the year, °C
View as table
| Month | Typical sea temp (°C) |
|---|---|
| Jan | 15 |
| Feb | 14 |
| Mar | 15 |
| Apr | 17 |
| May | 19 |
| Jun | 22 |
| Jul | 23 |
| Aug | 24 |
| Sep | 24 |
| Oct | 22 |
| Nov | 20 |
| Dec | 17 |
Location & nearby beaches
Nearby beaches
- Port Au Loup1.7 kmLoire-Atlantique
- Lerat2.0 kmLoire-Atlantique
- Pors-Er-Ster2.1 kmLoire-Atlantique
- Brambell3.2 kmLoire-Atlantique
Distances calculated as straight-line (haversine) from official coordinates.
Getting there & around
- Easy by car — there's parking close to the beach.
- Bus stop: Centre, about ~300 m away.
Food, stays & town
- Nearest village: Piriac-sur-Mer, about ~100 m away.
- 23 places to eat within 1 km Closest is Hôtel Ker Lehn, about ~80 m away.
- 9 places to stay mapped nearby Closest is Hôtel Ker Lehn, about ~80 m away.
- 2 shops nearby, the closest about ~280 m away
What kind of beach is this?
This beach sits in a built-up resort setting, with hotels, restaurants and services clustered around it — a full-service stretch of coast that tends to be busy in peak season and quieter outside it.
Estimated from OpenStreetMap surroundings data (ODbL).
- Families
- Water sports
- Full-service days
Is the water clean at Saint Michel?
Saint Michel is a coastal bathing site with an official EU Bathing Water rating of Excellent for the 2025 season — the highest official classification under the EU bathing-water assessment. That annual classification comes from the EU Bathing Water Directive: national authorities test for two indicator bacteria, intestinal enterococci and E. coli, throughout the bathing season, then report the full-season results to the European Environment Agency (EEA) the following spring — the 2025 season's rating was published in spring 2026, and the 2026 season won't be rated until spring 2027. In addition to that yearly rating, some national authorities — for Croatia, the national environmental authority — publish individual water sample results during the season itself, ahead of the annual report. On site you'll find Lifeguard, Showers, and Toilets. You can park about ~70 m away.
That rating has been consistent: every one of the 11 classified seasons on record has come back Excellent or Good. The most reliable swimming window here typically runs from July–September, with the sea usually at its warmest around August. Outside that window the water is cooler and often quieter. It's been a consistently reliable spot too — the rating has held at Excellent for 2 straight years. Piriac-sur-Mer — the closest town — sits about ~100 m from here.
Worth remembering: “Excellent” isn't a live reading, it's an annual grade — Excellent, Good, Sufficient or Poor — set once a year from that season's water samples and describing the average, not this afternoon's conditions. For what the sea is doing right now, check the “Right now” panel and 7-day outlook above. It sits in Loire-Atlantique. There are 23 places to eat within a kilometre — Hôtel Ker Lehn is the closest, about ~80 m away.
Frequently asked questions
Is the water at Saint Michel safe right now?
Generally, yes. Saint Michel's 2025 EU Bathing Water rating is Excellent — the highest tier — backed by 11 of 11 classified seasons rated Excellent or Good. It's also held steady at Excellent for 2 straight years.
Is the sea warm at Saint Michel today?
That's placeholder data, not a live measurement: Saint Michel's marine-weather feed couldn't be reached, so the panel above is showing an estimated ~25°C until the real feed comes back. That's the reading right off Loire-Atlantique.
What's the best month to visit Saint Michel for swimming?
The most reliable stretch for warm water runs through July–September, based on the modeled climatology. That applies to the water around Loire-Atlantique.
What's behind the water quality rating shown above?
National authorities sample the water for intestinal enterococci and E. coli bacteria through the bathing season and report the full-season results to the European Environment Agency each spring for the season just finished, which assigns one of four annual classifications — Excellent, Good, Sufficient or Poor — under the EU Bathing Water Directive. Some national authorities, including Croatia's IZOR, also publish individual in-season sample results ahead of that annual report.
Can you drive to Saint Michel?
By car, it's easy — parking is right by the beach. By bus, the nearest stop is Centre, about ~300 m away. The nearest town is Piriac-sur-Mer, about ~100 m away.