A westerly, moderate and mostly variable flow prevails over the whole area.
For Sesimbra :
No gale warning.
The reliability of the situation is very good.
Skies very cloudy, becoming totally overcast during the morning, good clear periods with lots of cloud in the afternoon. No precipitation. In the evening, cloudy spells, sometimes dense.
No precipitation. SSE force 2 in the morning turning NNW force 3 in the evening. Gusts reaching 14 knots in the evening. Slight sea. Low, fairly long swell from W. Poor visibility becoming excellent in the middle of the day then good.