Clouding over with thunderstorms developing in the morning, warning: storms in the afternoon: considerable electrical activity.Showers in late morning, heavy showers in the afternoon.In the evening, warning: violent storms. Heavy showers. S force 2 in the morning temporarily WSW in the middle of the day. Gusts reaching 9 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Visibility reduced by mist becoming reduced by mist in the middle of the day then reduced by fog.