Clouding over with thunderstorms developing in the morning, storms gradually improving in the afternoon.Showers all day.In the evening, storms developing. Showers. ESE force 3 in the morning temporarily SE force 4 in the middle of the day. Gusts reaching 18 knots in the morning. Slight sea. Low, short swell from E. Visibility reduced by mist becoming excellent in the middle of the day then reduced by mist.