High 1033 hPa centered at 180 nautical miles in the South-West of Fastnet Rock (South-West Ireland) remaining almost stationary.
For Saint-Denis-d"Oléron :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sun in the morning, sunny despite some high cloud in the afternoon. No precipitation. In the evening, clear skies.
NE force 2 turning NW force 3 in the middle of the day then becoming force 4. Gusts reaching 19 knots in the evening. Smooth to slight sea. Low, fairly long swell from NW. Excellent visibility.