Clouding over with thunderstorms developing in the morning, skies clearing but storms likely in the afternoon.Fairly heavy showers for a time.In the evening, cloudy spells, sometimes dense. Chance of light rain. NNE force 2 turning ENE in the middle of the day then W force 1. Gusts reaching 14 knots in the middle of the day. Smooth to slight sea. Low, short swell from N temporarily fairly long from NNW in the middle of the day. Excellent visibility becoming good in the middle of the day then good.