We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies very cloudy, risk of thundery outbreaks during the afternoon.Showers all day.In the evening, good clear periods but cloud building. Light showers. SSE force 3 freshening SSW force 6 in the middle of the day then SW force 4. Gusts reaching 39 knots in the middle of the day. Smooth sea temporarily smooth to slight in the middle of the day. Low, short swell from SW. Good visibility becoming excellent in the middle of the day then poor.