A northeasterly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and very variable.
For Penfoul :
No gale warning.
The reliability of the situation is fairly good.
For the night from Tuesday to Wednesday NE force 2 becoming NNE force 1 in the middle of the night then NNW.
Slight sea. Low, fairly long swell from WNW. Good visibility becoming good in the middle of the night then poor. Daytime of Wednesday 23 september : Warning:reduced visibility early in the day.
Sunny spells with possibility of mist forming in the morning, cloud and sun in the afternoon. No precipitation. In the evening, skies with few clouds.
NNW force 3 becoming N force 4 in the middle of the day then NNE force 3. Gusts reaching 19 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from WNW. Visibility reduced by mist becoming excellent in the middle of the day then poor.