An easterly and variable flow prevails over the East of the basin. Over the West, it is southerly, moderate and very variable.
For Castro Urdiales :
No gale warning.
The reliability of the situation is fairly good.
For the night from Tuesday to Wednesday SW wind force 1 continuing all night. Gusts reaching 5 knots in the early part of the night.
Smooth to slight sea. Low, fairly long swell from NNW. Poor visibility becoming reduced by mist in the middle of the night. Daytime of Wednesday 12 august : Warning:reduced visibility early in the day.
Fog giving way to sun in early morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
S force 2 turning NNE force 3 in the middle of the day then WNW. Gusts reaching 12 knots in the evening. Smooth to slight sea. Low, short swell from NNW. Visibility reduced by mist becoming poor in the middle of the day then poor.