Very cloudy with risk of thunderstorms in the morning, storms gradually improving in the afternoon.Showers all day.In the evening, skies progressively clouding over with storms forming. Showers. SSE force 4 in the morning becoming S force 3 in the evening. Gusts reaching 20 knots until the middle of the day. Moderate sea. Low, short swell from ESE then moderate in the middle of the day then from ESE. Poor visibility becoming excellent in the middle of the day then reduced by mist.