A northeasterly and mostly variable flow prevails over the whole area.
For Istres - Les Heures Claires :
No gale warning.
The reliability of the situation is assessed at 95%.
Sunny with few clouds. In the evening, clear skies.
N force 2 in the morning turning W in the middle of the day. Gusts reaching 9 knots in the evening. Smooth sea becoming rippled in the evening. Low, short swell from SE. Good visibility becoming excellent in the middle of the day.