For Sesimbra :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny, changeable at times in the afternoon. No precipitation. In the evening, relatively clear skies becoming changeable.
NNW force 2 turning WSW force 3 in the middle of the day then W. Gusts reaching 20 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Good visibility becoming excellent in the middle of the day then poor.