A northeasterly, strong and mostly variable flow prevails over the whole area.
For Viana do Castelo :
Warning strong breeze offshore.
The reliability of the situation is very good.
Clear skies but feeling misty. In the evening, clear skies.
W force 2 in the morning turning SSW force 1 in the evening. Gusts reaching 10 knots in the middle of the day. Slight sea. Low, short swell from NW. Visibility reduced by mist becoming excellent in the middle of the day then good.