France · Loire-Atlantique
Le Mouton
Loire-Atlantique, France
On the beach
Right now
Live conditions from Open-Meteo, refreshed hourly.
7-day outlook
7-day marine forecast from Open-Meteo.
Sea temperature
Next 7 days, °C
Wave height
Next 7 days, metres
View as table
| Day | Sea temp (°C) | Wave height (m) |
|---|---|---|
| Wed 2 | 21.6 | 0.5 |
| Thu 3 | 21.7 | 0.6 |
| Fri 4 | 21.9 | 0.6 |
| Sat 5 | 22.6 | 0.6 |
| Sun 6 | 22.4 | 0.8 |
| Mon 7 | 22.4 | 0.9 |
| Tue 8 | 22.2 | 1.2 |
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: Excellent2023
- 2024: Good2024
- 2025: Good2025
Good 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 | Excellent |
| 2024 | Good |
| 2025 | Good |
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
- Joalland587 mLoire-Atlantique
- Port Giraud1.2 kmLoire-Atlantique
- Le Cormier2.4 kmLoire-Atlantique
- Plage Des Chatelets3.2 kmLoire-Atlantique
Distances calculated as straight-line (haversine) from official coordinates.
Getting there & around
- Easy by car — there's parking close to the beach.
Food, stays & town
- Nearest village: La Plaine-sur-Mer, about ~2.5 km away.
- 2 places to eat within 1 km Closest is Anne de Bretagne, about ~390 m away.
- 2 places to stay mapped nearby Closest is Anne de Bretagne, about ~380 m away.
What kind of beach is this?
This beach belongs to a small coastal village. It's usually calmer than a resort or town beach, though a popular village spot can still fill up on the best summer days.
Estimated from OpenStreetMap surroundings data (ODbL).
Is the water clean at Le Mouton?
Le Mouton is a coastal bathing site with an official EU Bathing Water rating of Good for the 2025 season — meets the EU bathing-water standard in the latest annual 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 Sandy shore, Toilets, and Parking. There's parking about ~60 m from the beach.
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 Good for 2 straight years. The nearest town, La Plaine-sur-Mer, is about ~2.5 km away.
That “Good” label comes from a full season of official water sampling, not a single test — it's one step on a four-point scale (Excellent, Good, Sufficient, Poor) reassessed once a year. Today's actual conditions can differ from the seasonal average, so for a live snapshot see the “Right now” and 7-day outlook panels above. There are 2 places to eat within a kilometre — Anne de Bretagne is the closest, about ~390 m away.
Frequently asked questions
Is Le Mouton safe to swim in?
Yes. Le Mouton's official 2025 rating is Good — one notch below the top classification — and 11 of 11 classified seasons here have rated Excellent or Good. It's also held steady at Good for 2 straight years.
What is the sea temperature at Le Mouton today?
Le Mouton's sea temperature currently sits at around 21°C, based on the latest update — check the “Right now” panel above for the full live picture. That's the reading right off Loire-Atlantique. On the modeled climatology here, August usually runs warmest.
When does Le Mouton have the warmest water?
For swimming, July–September is usually the best call — that's the modeled window when the sea here runs warmest. That applies to the water around Loire-Atlantique. Within that window, August is typically the single warmest month.
How is bathing water quality actually assessed?
Once a year, national authorities report a full season of testing for intestinal enterococci and E. coli to the European Environment Agency, which grades the season Excellent, Good, Sufficient or Poor under the EU Bathing Water Directive. A handful of countries, including Croatia via IZOR, also publish individual in-season samples ahead of that report — Le Mouton doesn't have that feed set up yet.
What's the easiest way to reach Le Mouton?
By car, it's easy — parking is right by the beach. The nearest town is La Plaine-sur-Mer, about ~2.5 km away.