For Castelldefels :
No gale warning.
We are 85% sure of the situation, because the cloud cover could move in later than forecast.
Fairly clear skies progressively clouding over in the morning, very cloudy in the afternoon. No precipitation. In the evening, clear periods developing.
Chance of light rain. W force 1 freshening S force 3 in the middle of the day then becoming SSW. Gusts reaching 18 knots in the evening. Smooth sea. Low, short swell from SSE. Excellent visibility becoming excellent in the middle of the day.