Warning: intensely active electrical storms in the morning, sun and storm clouds in the afternoon.Heavy showers weakening in the afternoon.In the evening, skies progressively clouding over with storms forming. Showers towards the end of the night. WNW wind force 4 continuing all day. Gusts reaching 19 knots in the middle of the day. Slight sea. Low, fairly long swell from SSE. Excellent visibility.