Skies very cloudy, risk of some thundery outbreaks.Risk of showers in the morning, showers late in the day.In the evening, warning: storms: considerable electrical activity. Heavy showers. SW force 2 becoming force 3 in the middle of the day then WSW. Gusts reaching 23 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from WNW. Good visibility becoming excellent in the middle of the day then poor.