For Sesimbra :
No gale warning.
We are 75% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Sun but cloud increasing in the morning, very cloudy skies to overcast in the afternoon. Showers all day. In the evening, good clear periods but lots of cloud, too.
Light showers. SSE wind force 4 continuing all day. Gusts reaching 33 knots in the evening. Moderate sea. Low, fairly long swell from W then moderate in the evening. Excellent visibility becoming good in the evening.