A southwesterly, very strong and mostly variable flow prevails over the whole area.
For Porto de Sesimbra :
No gale warning.
The reliability of the situation is assessed at 90%.
Cloudy spells, sometimes dense. No precipitation. In the evening, cloudy spells, sometimes dense.
No precipitation. SW force 3 in the middle of the day becoming SSW force 2 in the evening. Gusts reaching 11 knots in the middle of the day. Slight sea. Low, long swell from WNW. Good visibility becoming poor in the evening.