For São Martinho do Porto :
No gale warning.
The reliability of the situation is good.
Very cloudy skies with short clear spells. No precipitation. In the evening, good clear periods but lots of cloud, too.
No precipitation. N force 3 in the morning temporarily NNW force 4 in the middle of the day. Gusts reaching 21 knots from the middle of the day. Slight sea. Low, fairly long swell from NW. Excellent visibility becoming excellent in the middle of the day.