An easterly, weak and very variable flow prevails over the South of the basin. Over the North, it is northwesterly, weak and very variable.
For Castelldefels :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
NNE force 3 turning ESE in the middle of the day then SSW force 2. Gusts reaching 14 knots in the middle of the day. Smooth sea temporarily smooth to slight in the middle of the day. Low, short swell from E. Excellent visibility becoming excellent in the middle of the day then good.