A southwesterly, very strong and variable flow prevails over the whole area.
For Cascais :
No gale warning.
We are 90% sure of the situation, because flows might be far more disturbed than forecast.
Very cloudy skies with short clear spells. The risk of seeing rain will remain low. In the evening, good clear periods but lots of cloud, too.
No precipitation. ESE force 2 turning W force 3 in the middle of the day then becoming force 4. Gusts reaching 18 knots in the evening. Slight sea. Low, fairly long swell from WNW. Good visibility becoming excellent in the middle of the day.