A northwesterly and variable flow prevails over the South and the West of the basin. Over the North-East, it is southwesterly, moderate and very variable.
For Royan-Pontaillac :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloudy spells, sometimes dense. No precipitation. In the evening, relatively cloudless skies clearing.
W wind force 3 from the middle of the day. Gusts reaching 18 knots. Smooth to slight sea. Low, short swell from WSW. Excellent visibility.