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 | 0.4 |
| Thu 3 | 21.8 | 0.5 |
| Fri 4 | 21.9 | 0.5 |
| Sat 5 | 22.7 | 0.4 |
| Sun 6 | 22.3 | 0.6 |
| Mon 7 | 22.4 | 0.6 |
| Tue 8 | 22.3 | 0.9 |
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: Good2023
- 2024: Excellent2024
- 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 | Excellent |
| 2017 | Excellent |
| 2018 | Excellent |
| 2019 | Excellent |
| 2020 | Excellent |
| 2021 | Excellent |
| 2022 | Excellent |
| 2023 | Good |
| 2024 | Excellent |
| 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
- Poudrantais618 mMorbihan
- Loscolo783 mMorbihan
- La Mine D'Or1.2 kmMorbihan
- Le Goulumer1.5 kmMorbihan
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: Pénestin, about ~2.6 km away.
- 2 places to stay mapped nearby Closest is Loscolo, about ~890 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).
- Water sports
- A quiet swim
Is the water clean at Le Marescle?
Le Marescle 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 ~180 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. Worth noting: the rating slipped from Excellent to Good in 2025, so it's especially worth checking the latest local advisories. The nearest town, Pénestin, is about ~2.6 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.
Frequently asked questions
Is Le Marescle safe to swim in?
Yes — Le Marescle's 2025 rating is Good, one step below the top tier, with 11 of 11 classified seasons rated Excellent or Good. That said, the rating slipped from Excellent to Good in 2025, so it's worth checking for current local advisories too.
What is the sea temperature at Le Marescle today?
The most recent reading for Le Marescle shows the sea at around 21°C. For live, up-to-the-hour conditions, see the “Right now” panel above. That's the reading right off Morbihan. On the modeled climatology here, August usually runs warmest.
When should you plan a swimming trip to Le Marescle?
For the warmest water, aim for July–September — that's when the modeled sea temperature is typically at its best. That applies to the water around Morbihan. 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 — Le Marescle doesn't have that feed set up yet.
What's the easiest way to reach Le Marescle?
By car, it's easy — parking is right by the beach. The nearest town is Pénestin, about ~2.6 km away.