For Porto :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fairly clear skies progressively clouding over in the morning, cloud and sun in the afternoon. No precipitation. In the evening, clear spells, risk of mist forming.
No precipitation. ESE force 1 in the morning temporarily W force 2 in the middle of the day. Gusts reaching 9 knots in the middle of the day. Smooth sea becoming rippled in the evening. Low, short swell from NW. Excellent visibility becoming good in the middle of the day then reduced by mist.