A northerly and variable flow prevails over the whole area.
For Saint-Denis-D"Oleron : No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sun and storm clouds in the morning,sunny in the afternoon.Showers in late morning, possibility of showers in the afternoon.In the evening, light cloudy spells. NW force 3 in the morning becoming WNW force 4 in the middle of the day. Gusts reaching 20 knots in the evening. Slight sea. Low, fairly long swell from NNW. Excellent visibility.
semaphore stations
Station Chassiron located 4 km from Saint-Denis-D'Oleron