France · Loire-Atlantique
Pen Bron
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 | 21.1 | 0.6 |
| Thu 3 | 21.3 | 0.7 |
| Fri 4 | 21.4 | 0.7 |
| Sat 5 | 22.2 | 0.7 |
| Sun 6 | 21.7 | 0.9 |
| Mon 7 | 21.7 | 1.1 |
| Tue 8 | 21.6 | 1.6 |
Water quality history
Official EEA classification, one rating per bathing season, 2015–2025 — real data reported by national authorities.
- 2015: Excellent2015
- 2016: Excellent2016
- 2017: Excellent2017
- 2018: Excellent2018
- 2019: Excellent2019
- 2020: Excellent2020
- 2021: Excellent2021
- 2022: Excellent2022
- 2023: Excellent2023
- 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 | Excellent |
| 2017 | Excellent |
| 2018 | Excellent |
| 2019 | Excellent |
| 2020 | Excellent |
| 2021 | Excellent |
| 2022 | Excellent |
| 2023 | Excellent |
| 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
- Bretons-Cassard1.7 kmLoire-Atlantique
- Saint Jean de Dieu3.2 kmLoire-Atlantique
- Ker Elisabeth3.3 kmLoire-Atlantique
- Le Castouillet (Baie)4.0 kmLoire-Atlantique
Distances calculated as straight-line (haversine) from official coordinates.
Getting there & around
- By car: there's parking about ~540 m from the beach.
- Bus stop: Croix-Millette, about ~490 m away.
- Nearest ferry landing is about ~2.8 km away.
Food, stays & town
- Nearest village: La Turballe, about ~2.2 km away.
- 1 place to stay mapped nearby Closest is Camping Les chardons bleus, about ~320 m away.
What kind of beach is this?
With no facilities mapped nearby, this beach is usually on the quiet side even in season — worth knowing if you're after solitude, but also worth bringing your own water and shade.
Estimated from OpenStreetMap surroundings data (ODbL).
- Families
- Water sports
- A quiet swim
Is the water clean at Pen Bron?
Pen Bron sits on a stretch of coast classed as a coastal bathing site, carrying an official EU Bathing Water rating of Excellent for the 2025 season. Under the EU Bathing Water Directive, national authorities test for intestinal enterococci and E. coli through the season and report the results the following spring — the 2025 rating was published in spring 2026, and 2026's won't follow 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. It sits in Loire-Atlantique. You can park about ~540 m away.
Looking to avoid the busiest weeks? The water is typically warmest around August, with the most reliable swimming window running July–September; outside that stretch you'll find a cooler sea but a quieter beach. That rating has been consistent: every one of the 11 classified seasons on record has come back Excellent or Good. On site you'll find Lifeguard and Sports facilities. La Turballe — the closest town — sits about ~2.2 km from here.
“Excellent” is one point on a four-step scale — Excellent, Good, Sufficient or Poor — assigned once per year from that season's water samples, not a live reading. It describes how the site performs on average across the season, not the exact water quality this afternoon; for day-to-day sea conditions, see the “Right now” and 7-day outlook panels above.
Frequently asked questions
Is the water at Pen Bron safe right now?
Generally, yes. Pen Bron'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 11 straight years.
Is the sea warm at Pen Bron today?
As of the latest update, the sea temperature at Pen Bron is around 21°C — see the “Right now” panel above for live conditions. That's the reading right off Loire-Atlantique.
Which month has the warmest sea at Pen Bron?
July–September is typically the most reliable swimming window, with the sea usually warmest in the second half of summer. That applies to the water around Loire-Atlantique.
How is the water quality rating measured?
The annual classification — Excellent, Good, Sufficient or Poor — is built from a full season of official testing for intestinal enterococci and E. coli, reported to the European Environment Agency each spring. Some national authorities (Croatia's IZOR among them) also publish individual samples during the season itself; Pen Bron isn't yet covered by that in-season feed.
How do you get to Pen Bron?
By car, there's parking about ~540 m from the beach. By bus, the nearest stop is Croix-Millette, about ~490 m away. There's a ferry landing about ~2.8 km from the beach. The nearest town is La Turballe, about ~2.2 km away.