An easterly, weak and very variable flow prevails over the North-West of the basin. Over the South and the East, it is southwesterly, weak and very variable.
For Istres - Les Heures Claires :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Changeable skies becoming fairly cloud-free in the morning, sunny in the afternoon. No precipitation. In the evening, clear spells, risk of mist forming.
No precipitation. ENE force 3 in the morning turning S in the middle of the day. Gusts reaching 15 knots in the middle of the day. Smooth sea. Low, short swell from SSW. Excellent visibility becoming reduced by mist in the evening.