Low 990 hPa centered at 190 nautical miles in the South-South-West of Fastnet Rock (South-West Ireland) moving at 30 knots to the East-North-East and dropping to 976 hPa to be centered on the South-West of England.
For Plage des Sables Blancs :
Warning fresh gale offshore.
We are 90% sure of the situation, because hail may not be as easy to predict.
Sun but cloud increasing in the morning, overcast skies with storms likely in the afternoon. No precipitation in the morning, showers with possibility of hail in the afternoon. In the evening, very cloudy with risk of storms.
Showers with the possibility of hail. E force 2 freshening SSE force 5 in the middle of the day then WSW force 6. Gusts reaching 41 knots in the evening. Slight sea becoming moderate in the middle of the day then rough. Low, fairly long swell from SW. Visibility reduced by mist becoming excellent in the middle of the day.