A northeasterly, weak and mostly variable flow prevails over the South-West of the basin. Over the North, it is southwesterly, moderate and mostly variable. Over the South-East, it is northwesterly, moderate and mostly variable.
For Fos-Sur-Mer :
No gale warning.
The reliability of the situation is assessed at 90%.
Sunny spells with possibility of mist forming in the morning, sunny in the afternoon. No precipitation. In the evening, fair weather with mostly clear skies.
NNW force 3 turning WNW force 4 in the middle of the day then WSW. Gusts reaching 16 knots in the evening. Smooth sea. Low, short swell from S. Visibility reduced by mist becoming excellent in the middle of the day.