Plage du Grouin Swimming Forecast
L'Heraudeau · France
Plage du Grouin scores 76/100 for swimming today at its best ability level (expert). The beach faces S. A wild, uncrowded sandy bay around 500m long at a peninsula tip, sheltered between salt marshes and the Atlantic, with a small fort as a landmark. Waves are gentle, regular, low-energy, unsuitable for surfing; kitesurfing is practised at the exposed tip. The sea retreats far at low tide, so swimming is only viable near high tide. Lifeguarded (tide-dependent) July-August; dogs reported not permitted. Water quality rated excellent (2025).
Today's swimming score by ability
Today's conditions at Plage du Grouin
- Wave
- 0.8 m
- Wind
- 10 kn
- Water temp
- 22°C
- Facing
- S
Scores are today's peak across the day, from 4Shor ShorSense™ — modelled per spot on our high-resolution European seabed map. The full 8-day swimming forecast is in the app.
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