For Platja de Castelldefels :
No gale warning.
The reliability of the situation is assessed at 90%.
Warm sun all day. In the evening, clear skies becoming somewhat cloudy.
SW force 2 becoming SSW force 3 in the middle of the day then SSE force 2. Gusts reaching 15 knots in the middle of the day. Smooth sea. Low, short swell from SE. Excellent visibility becoming good in the evening.