A southwesterly, strong and variable flow prevails over the East of the basin. Over the West, it is northwesterly, strong and mostly variable.
For Royan-Pontaillac :
Warning strong breeze offshore.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Very cloudy skies to overcast. Rain gradually becoming less frequent in the morning, showers late in the day. In the evening, overcast skies.
Showers. S force 4 in the morning turning WNW in the evening. Gusts reaching 28 knots in the evening. Moderate sea. Moderate, fairly long swell from W then low in the evening. Poor visibility becoming excellent in the middle of the day then poor.