A westerly, moderate and mostly variable flow prevails over the whole area.
For Matosinhos :
No gale warning.
The reliability of the situation is very good.
Changeable skies becoming fairly cloud-free in the morning, sunny in the afternoon. No precipitation. In the evening, clear skies.
N force 3 in the morning temporarily NW in the middle of the day. Gusts reaching 21 knots from the middle of the day. Slight sea. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day then good.