A northeasterly flow prevails over the West of the basin. Over the East, it is southeasterly, weak and mostly variable.
For Istres - Les Heures Claires :
No gale warning.
The reliability of the situation is assessed at 90%.
Fair weather with mostly clear skies. In the evening, skies gradually hazing over.
No precipitation. ESE force 2 in the morning freshening SSE force 4 in the middle of the day. Gusts reaching 24 knots from the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from S. Good visibility becoming excellent in the middle of the day.