For Castelldefels :
No gale warning.
We are 90% sure of the situation, because the atmosphere might not be as stable as forecast.
Very cloudy skies to overcast. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, very cloudy skies becoming totally overcast.
Risk of showers in the early hours. N wind force 2 continuing all day. Gusts reaching 10 knots in the morning. Smooth to slight sea. Low, short swell from ESE. Good visibility becoming good in the middle of the day then good.