For Douro : No gale warning.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Skies changeable to very cloudy. Risk of showers in the morning, light showers dying away progressively in the afternoon.
In the evening, good clear periods but cloud building. Risk of showers in the early hours. W force 2 in the morning freshening force 4 in the middle of the day. Gusts reaching 33 knots in the middle of the day. Poor visibility becoming good in the middle of the day then excellent.