Low 989 hPa centered at 190 nautical miles in the South of Fastnet Rock (South-West Ireland) moving at 30 knots to the East-North-East and dropping to 975 hPa to be centered on the South-West of England.
For Pointe de l"Arcouest :
Warning strong gale offshore.
We are 85% sure of the situation, because hail may not be as easy to predict.
Overcast skies. Heavy showers. In the evening, stormy but gradually improving.
Violent showers . warning: hail! SSE force 4 in the middle of the day freshening SW force 6 in the evening. Gusts reaching 37 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from NW then from ESE in the evening. Excellent visibility.