A northeasterly, weak and variable flow prevails over the North of the basin. Over the South, it is westerly, weak and very variable.
For Royan-Pontaillac :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Overcast skies clearing up during the morning, cloud and sun in the afternoon. Light showers progressively dying out in the morning, possibility of a few spots in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. NW force 1 freshening W force 3 in the middle of the day then becoming WNW. Gusts reaching 19 knots in the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from W. Visibility reduced by mist becoming excellent in the middle of the day then excellent.