A northeasterly and weak flow prevails over the South-West of the basin. Over the North and the East, it is westerly, weak and mostly variable.
For Principina a mare :
No gale warning.
The reliability of the situation is very good.
Fair weather with mostly clear skies. In the evening, clear skies.
WSW force 2 in the morning temporarily force 3 in the middle of the day. Gusts reaching 15 knots in the middle of the day. Rippled sea temporarily smooth in the middle of the day. Low, short swell from SW. Excellent visibility becoming good in the evening.