Low 997 hPa centered on the South-West of the Bay of Biscay moving at 27 knots to the East-North-East to be centered on the center of France.
For Viana do Castelo :
Warning fresh gale offshore.
The reliability of the situation is very good.
Overcast skies. Showers. In the evening, very cloudy skies to overcast.
Heavy showers. WNW wind force 5 from the middle of the day. Gusts reaching 38 knots in the evening. Rough to very rough sea. Low, fairly long swell from WNW. Excellent visibility becoming good in the evening.