Overcast in the morning, storms developing in the afternoon.Possibility of showers late in the morning, warning: violent squalls in the afternoon.In the evening, stormy but gradually improving. Showers. E force 4 turning WSW force 3 in the middle of the day then WNW force 2. Gusts reaching 18 knots in the middle of the day. Slight sea. Low, fairly long swell from ESE. Poor visibility becoming poor in the middle of the day then reduced by mist.