Für Mar de Pedra :
Warning strong breeze.
We are 80% sure of the situation, because hail may not be as easy to predict.
Storms in the middle of the day. Lots of heavy hailstorms. In the evening, cloud and long sunny periods.
Chance of light rain. SSW force 5 turning WSW force 6 in the middle of the day then W force 5. Gusts reaching 35 knots in the middle of the day. Moderate sea. Low, fairly long swell from SSW. Excellent visibility.