Clouding over with thunderstorms developing in the morning, warning: storms in the afternoon: considerable electrical activity.Fairly heavy showers for a time.In the evening, storms developing. Showers. S force 2 becoming SSE force 3 in the middle of the day then S force 1. Gusts reaching 12 knots in the middle of the day. Smooth to slight sea. Low, short swell from ENE. Poor visibility temporarily in the middle of the day.