A northwesterly, moderate and very variable flow prevails over the whole area.
For Royan :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy skies to overcast. No precipitation. In the evening, changeable skies clearing completely.
No precipitation. WNW force 3 in the middle of the day turning NNW in the evening. Gusts reaching 17 knots in the middle of the day. Slight sea. Low, long swell from W. Excellent visibility.