For Sesimbra :
No gale warning.
We are 70% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Good clear periods alternating with cloudy spells, sometimes dense. Light showers all day. In the evening, lots of good clear periods.
Chance of light rain. SW wind force 3 continuing all day. Gusts reaching 24 knots in the middle of the day. Slight sea. Low, short swell from SW. Good visibility becoming excellent in the middle of the day then poor.