A northeasterly, strong and very variable flow prevails over the whole area.
For Arcachon :
Warning strong breeze offshore.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy. But clear spells will become more and more widespread. Light showers all day. In the evening, changeable skies becoming less cloudy.
No precipitation. WSW force 2 freshening NNW force 5 in the middle of the day then becoming N. Gusts reaching 28 knots from the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, long swell from WNW. Good visibility becoming excellent in the middle of the day.