A westerly, strong and mostly variable flow prevails over the whole area.
For Porto de Sines :
Warning fresh gale offshore.
The reliability of the situation is assessed at 80%.
Skies very cloudy, becoming totally overcast during the morning, increasing sunny spells in the afternoon. Heavy showers weakening in the afternoon. In the evening, relatively clear skies becoming changeable.
Chance of light rain. SSW force 7 weakening W force 5 in the middle of the day then force 4. Gusts reaching 42 knots in the middle of the day. Rough sea. Moderate, fairly long swell from W. Excellent visibility.