Warning: intensely active electrical storms in the morning, overcast skies with storms likely in the afternoon.Heavy showers weakening in the afternoon.In the evening, overcast skies with risk of thundery outbreaks. Possibility of showers E force 2 turning SE in the middle of the day then N. Gusts reaching 13 knots in the morning. Slight sea. Low, short swell from ESE. Visibility reduced by mist becoming poor in the middle of the day then reduced by mist.