A westerly, strong and very variable flow prevails over the whole area.
For Plage de Saint-Efflam :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy skies to overcast. Light rain gradually becoming less frequent. In the evening, cloudy spells, sometimes dense.
No precipitation. WNW wind force 4 from the middle of the day. Gusts reaching 23 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Good visibility becoming excellent in the evening.