A northeasterly, moderate and variable flow prevails over the whole area.
For Cascais :
No gale warning.
The reliability of the situation is assessed at 80%.
Cloud and sun in the morning, skies clouding over with storms forming in the afternoon. No precipitation in the morning, showers late in the day. In the evening, fair weather with mostly clear skies.
ESE force 3 turning WSW force 2 in the middle of the day then NNW. Gusts reaching 20 knots in the middle of the day. Slight sea. Low, fairly long swell from WNW. Excellent visibility becoming excellent in the middle of the day then excellent.