For Sesimbra :
No gale warning.
We are 70% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Skies changeable becoming cloudier in late morning. No precipitation in the morning, possibility of showers in late afternoon. In the evening, cloud and long sunny periods.
Possibility of showers SW force 3 in the morning turning WNW in the evening. Gusts reaching 22 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Poor visibility becoming excellent in the middle of the day then reduced by mist.