Low 1004 hPa centered to the West of Corsica moving at 5 knots to the North-North-East to be centered on the Gulf of Genoa.
For Istres - Les Heures Claires :
Warning moderate gale offshore.
We are 80% sure of the situation, because hail may not be as easy to predict.
Skies very cloudy, risk of some thundery outbreaks. Warning: violent showers with hail in the morning, light showers dying away progressively in the afternoon. In the evening, cloudy spells, sometimes dense.
No precipitation. NNE force 3 turning NW in the middle of the day then WNW. Gusts reaching 21 knots in the middle of the day. Smooth to slight sea. Low, short swell from S. Excellent visibility.