A northeasterly and variable flow prevails over the South of the basin. Over the North-West, it is southwesterly, moderate and variable. Over the North-East, it is northwesterly, moderate and very variable.
For Viana do Castelo :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. No precipitation. In the evening, skies with few clouds.
ENE force 1 freshening NW force 3 in the middle of the day then NNW force 2. Gusts reaching 17 knots in the middle of the day. Moderate sea. Moderate, long swell from WNW. Good visibility becoming excellent in the middle of the day then poor.