A northwesterly, strong and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and variable.
For Istres - Les Heures Claires :
Warning moderate gale offshore.
The reliability of the situation is assessed at 90%.
Warm sun all day. In the evening, clear skies.
NNW wind force 5 continuing all day. Gusts reaching 35 knots from the middle of the day. Smooth to slight sea. Low, fairly long swell from SW. Excellent visibility.