For Platja de Castelldefels :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable with thundery outbreaks possible during the afternoon. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, changeable skies clearing completely.
Possibility of showers WNW force 1 freshening SW force 3 in the middle of the day then becoming W. Gusts reaching 17 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from S. Good visibility becoming excellent in the middle of the day.