Skies progressively clouding over with storms forming.Showers towards the end of the night.In the evening, skies clearing but continuing risk of storms. Light showers progressively becoming less frequent. SSW force 2 in the middle of the day turning W force 1 in the evening. Gusts reaching 9 knots in the middle of the day. Smooth sea. Low, short swell from W. Excellent visibility becoming poor in the evening.