High 1025 hPa centered at 140 nautical miles in the West-South-West of the isles of Scilly moving at 23 knots to the East-South-East to be centered on the North-East of Spain.
For Mortagne-sur-Gironde :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Hazy skies. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. SE force 3 turning WSW in the middle of the day then NNW. Gusts reaching 13 knots from the middle of the day. Rippled sea becoming smooth in the evening. Low from S. Good visibility becoming excellent in the middle of the day.