Changeable skies completely clouding over during the morning, overcast skies in the afternoon.Fairly heavy showers for a time.In the evening, storms developing. Showers. SE force 5 in the morning becoming ESE force 4 in the evening. Gusts reaching 26 knots in the middle of the day. Slight sea. Low, short swell from S. Excellent visibility becoming good in the middle of the day then reduced by mist.