France · Côtes-d'Armor
La Grande Plage
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.
Water temperature
Next 7 days, °C
Wave height
Next 7 days, metres
View as table
| Day | Water temp (°C) | Wave height (m) |
|---|---|---|
| Wed 2 | 21.4 | 0.6 |
| Thu 3 | 21.4 | 0.6 |
| Fri 4 | 21.2 | 0.9 |
| Sat 5 | 21.5 | 0.6 |
| Sun 6 | 21.5 | 0.6 |
| Mon 7 | 21.4 | 0.6 |
| Tue 8 | 21.3 | 1.3 |
Typical water temperature by month
Modeled estimatePlausible seasonal climatology derived from latitude, for illustration — not a measured average.
Monthly water temperature
Typical range across the year, °C
View as table
| Month | Typical water 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
- Longchamp Est551 mCôtes-d'Armor
- Longchamp Ouest1.1 kmCôtes-d'Armor
- La Fosse Aux Vaults1.3 kmCôtes-d'Armor
- La Fourberie1.8 kmCôtes-d'Armor
Distances calculated as straight-line (haversine) from official coordinates.
How do you get to La Grande Plage?
- Easy by car — there's parking close to the beach.
- Bus stop: Odyssea, about ~310 m away.
Food, stays & town
- Nearest village: Saint-Jean-de-Monts, about ~1.8 km away.
- 78 places to eat within 1 km Closest is Le Farniente, about ~210 m away.
- 10 places to stay mapped nearby Closest is L'Espadon, about ~470 m away.
- 1 shop nearby, about ~870 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).
- Water sports
- Full-service days
Is the water clean at La Grande Plage?
Thinking of swimming at La Grande Plage? The short answer: its official EU Bathing Water rating for 2025 is Excellent — the highest official classification under the EU bathing-water assessment. That rating is set once a year under the EU Bathing Water Directive, from a full season of testing for intestinal enterococci and E. coli reported to the European Environment Agency the following spring, so the 2025 season's grade appeared in spring 2026 and the 2026 season won't be graded 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's been a consistently reliable spot too — the rating has held at Excellent for 11 straight years. You can park about ~270 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 cooler water 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 Toilets, Beach bar, and Sports facilities. Saint-Jean-de-Monts — the closest town — sits about ~1.8 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 water conditions, see the “Right now” and 7-day outlook panels above. There are 78 places to eat within a kilometre — Le Farniente is the closest, about ~210 m away.