Skies progressively clouding over with storms forming.Risk of showers in the early hours.In the evening, overcast skies with risk of thundery outbreaks. Possibility of showers NE force 2 in the middle of the day turning E in the evening. Gusts reaching 14 knots in the middle of the day. Slight sea. Low, short swell from NE. Poor visibility becoming reduced by mist in the evening.