An easterly and very variable flow prevails over the East of the basin. Over the West, it is westerly, moderate and very variable.
For Castelldefels :
No gale warning.
The reliability of the situation is assessed at 90%.
Fair weather with mostly clear skies. In the evening, relatively clear skies becoming changeable.
NE force 3 turning E in the middle of the day then ESE force 2. Gusts reaching 18 knots in the morning. Smooth to slight sea. Low, short swell from ESE. Excellent visibility becoming poor in the evening.