Clouding over with thunderstorms developing in the morning, storms developing in the afternoon.Showers all day.In the evening, skies clearing but continuing risk of storms. Light showers progressively becoming less frequent. W force 2 in the morning turning N in the evening. Gusts reaching 18 knots in the middle of the day. Smooth sea. Low, short swell from W. Good visibility becoming good in the middle of the day then good.