An easterly, weak and very variable flow prevails over the South-East of the basin. Over the West and the North, it is southerly, moderate and very variable.
For Royan :
No gale warning.
The reliability of the situation is poor.
For the night from Wednesday to Thursday NNW wind force 2 continuing all night. Gusts reaching 10 knots in the early part of the night.
Smooth sea. Low, fairly long swell from W. Excellent visibility. Daytime of Thursday 13 august : The weather will be good.
Sunny despite some cloud arriving in late morning. In the evening, clear skies.
N force 2 turning WNW force 3 in the middle of the day then NW. Gusts reaching 18 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day. Low, fairly long swell from W. Excellent visibility becoming excellent in the middle of the day.