For Sesimbra :
No gale warning.
We are 70% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.
Changeable skies with risk of storms. Light showers progressively becoming less frequent. In the evening, changeable skies becoming less cloudy.
Possibility of showers SSE force 3 in the middle of the day turning NNE force 2 in the evening. Gusts reaching 18 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Excellent visibility.