A northerly, moderate and variable flow prevails over the whole area.
For Cascais :
No gale warning.
The reliability of the situation is assessed at 90%.
Fairly cloudless skies becoming changeable during the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, lots of good clear periods.
No precipitation. NNW force 3 in the morning becoming force 4 in the middle of the day. Gusts reaching 23 knots from the middle of the day. Slight sea. Low, long swell from WNW. Excellent visibility.