A northerly and very variable flow prevails over the South-West and the North-East of the basin. Over the North-West and the South-East, it is southwesterly, moderate and very variable.
For Gujan mestras :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, clear spells, risk of mist forming.
No precipitation. W wind force 3 from the middle of the day. Gusts reaching 20 knots in the evening. Smooth sea. Low, short swell from NW. Excellent visibility becoming good in the evening.