France · Côtes-d'Armor
Port la Chaine
Côtes-d'Armor, 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 | 19.7 | 0.4 |
| Thu 3 | 19.7 | 0.4 |
| Fri 4 | 19.8 | 0.6 |
| Sat 5 | 20.2 | 0.4 |
| Sun 6 | 20.6 | 0.4 |
| Mon 7 | 20.7 | 0.5 |
| Tue 8 | 20.5 | 0.8 |
Water quality history
Official EEA classification, one rating per bathing season, 2015–2025 — real data reported by national authorities.
- 2015: Sufficient2015
- 2016: Good2016
- 2017: Good2017
- 2018: Good2018
- 2019: Excellent2019
- 2020: Excellent2020
- 2021: Good2021
- 2022: Good2022
- 2023: Sufficient2023
- 2024: Sufficient2024
- 2025: Sufficient2025
Sufficient in the most recent season, and 7 of 11 classified years rated Excellent or Good.
- Excellent
- Good
- Sufficient
- Poor
- Not classified
View as table
| Year | Classification |
|---|---|
| 2015 | Sufficient |
| 2016 | Good |
| 2017 | Good |
| 2018 | Good |
| 2019 | Excellent |
| 2020 | Excellent |
| 2021 | Good |
| 2022 | Good |
| 2023 | Sufficient |
| 2024 | Sufficient |
| 2025 | Sufficient |
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 | 16 |
| May | 19 |
| Jun | 21 |
| Jul | 23 |
| Aug | 24 |
| Sep | 23 |
| Oct | 22 |
| Nov | 19 |
| Dec | 17 |
Location & nearby beaches
Nearby beaches
- Kermagen863 mCôtes-d'Armor
- Pors Rand1.9 kmCôtes-d'Armor
- Pors Guyon4.0 kmCôtes-d'Armor
- L'Ile A Bois5.2 kmCôtes-d'Armor
Distances calculated as straight-line (haversine) from official coordinates.
Getting there & around
- By car: there's parking about ~600 m from the beach.
- Bus stop: Saint-Antoine, about ~1.1 km away.
Food, stays & town
- Nearest village: L'Armor Pleubian, about ~2.1 km away.
- 1 place to stay mapped nearby Closest is Flower camping Port la Chaîne, about ~380 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).
- A quiet swim
Is the water clean at Port la Chaine?
Port la Chaine sits on a stretch of coast classed as a coastal bathing site, carrying an official EU Bathing Water rating of Sufficient 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 Côtes-d'Armor. There's parking about ~600 m from the beach.
Over the 11 classified seasons on record, 7 have come back Excellent or Good — a track record worth checking each year rather than assuming. 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 Sufficient for 3 straight years. The nearest town, L'Armor Pleubian, is about ~2.1 km away.
That “Sufficient” 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.
Frequently asked questions
Is it safe to go in the water at Port la Chaine?
Yes, with some caution — Port la Chaine's official 2025 rating is Sufficient, the lowest classification that still passes; check for local advisories before you swim.
What's the current water temperature at Port la Chaine?
Port la Chaine's sea temperature currently sits at around 19°C, based on the latest update — check the “Right now” panel above for the full live picture. That's the reading right off Côtes-d'Armor. On the modeled climatology here, August usually runs warmest.
When does Port la Chaine have the warmest water?
If you're planning around water temperature, July–September is the window to target — the modeled sea temperature is typically highest then. That applies to the water around Côtes-d'Armor. Within that window, August is typically the single warmest month.
Who measures the water quality rating, and how?
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 — Port la Chaine doesn't have that feed set up yet.
What's the easiest way to reach Port la Chaine?
By car, there's parking about ~600 m from the beach. By bus, the nearest stop is Saint-Antoine, about ~1.1 km away. The nearest town is L'Armor Pleubian, about ~2.1 km away.