For Sesimbra :
No gale warning.
The reliability of the situation is assessed at 80%.
Clear skies. In the evening, fair weather with mostly clear skies.
NW force 3 in the middle of the day turning N in the evening. Gusts reaching 18 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, fairly long swell from WNW. Excellent visibility.