For Platja de Castelldefels :
No gale warning.
We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.
Overcast skies. Some light showers in the morning, no precipitation in the afternoon. In the evening, overcast skies.
Risk of showers in the early hours. N wind force 2 continuing all day. Gusts reaching 9 knots in the morning. Smooth to slight sea. Low, short swell from ESE. Good visibility becoming excellent in the middle of the day then good.