A northeasterly and variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and very variable.
For Sesimbra :
No gale warning.
The reliability of the situation is assessed at 90%.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation. In the evening, clear skies.
NE force 2 turning SE in the middle of the day then WNW. Gusts reaching 9 knots in the evening. Smooth to slight sea. Low, fairly long swell from WNW. Excellent visibility.