Low 989 hPa centered at 190 nautical miles in the South of Fastnet Rock (South-West Ireland) moving at 33 knots to the East-North-East and dropping to 977 hPa to be centered on East Channel.
For Dune du Pilat :
Warning fresh gale offshore.
We are 80% sure of the situation, because hail may not be as easy to predict.
In the evening, skies progressively clouding over with storms forming.
Showers becoming less frequent. SSW wind force 4. Gusts reaching 32 knots in the evening. Slight sea. Low, fairly long swell from W. Excellent visibility.