A southwesterly, strong and very variable flow prevails over the whole area.
For Porto de Sesimbra :
Warning strong breeze offshore.
We are 80% sure of the situation, because there is a doubt about strength of the wind.
Very cloudy skies with short clear spells. Showers all day. In the evening, very cloudy.
Showers. SW force 5 in the morning temporarily force 6 in the middle of the day. Gusts reaching 38 knots in the middle of the day. Rough sea. Moderate, fairly long swell from WSW. Excellent visibility.