Skies very cloudy, risk of thundery outbreaks during the afternoon.Risk of some spots of rain in the morning, showers late in the day.In the evening, storms developing. Heavy showers. S force 2 turning SE force 3 in the middle of the day then SSE. Smooth to slight sea. Low, short swell from NNW then from ESE in the evening. Poor visibility becoming good in the middle of the day then reduced by mist.