A northerly and moderate flow prevails over the South of the basin. Over the North, it is southwesterly, moderate and mostly variable.
For Saint-Denis-d"Oléron :
No gale warning.
The reliability of the situation is assessed at 95%.
In the evening, cloudy spells, sometimes dense.
No precipitation. WNW wind force 4. Gusts reaching 20 knots in the evening. Slight sea. Low, fairly long swell from SW. Excellent visibility.