A westerly, moderate and variable flow prevails over the whole area.
For Gros mur du nord :
Warning strong gale offshore.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Skies changeable to very cloudy. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, clear skies.
SSW force 4 in the morning freshening WNW force 7 in the middle of the day. Gusts reaching 48 knots in the evening. Slight sea. Low, short swell from SSW. Good visibility becoming excellent in the middle of the day.