A southwesterly, strong and very variable flow prevails over the North-West of the basin. Over the South and the East, it is northwesterly, moderate and very variable.
For Surtainville :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable becoming cloudier in late morning. No precipitation. In the evening, clear periods developing.
No precipitation. NNW force 3 in the morning temporarily WNW in the middle of the day. Gusts reaching 16 knots from the middle of the day. Slight sea. Low, long swell from W. Poor visibility becoming excellent in the middle of the day then reduced by mist.