A northwesterly, weak and particularly variable flow prevails over the East of the basin. Over the West, it is southwesterly, moderate and particularly variable.
For Penfoul :
No gale warning.
For the night from Wednesday to Thursday N wind force 2 continuing all night. Gusts reaching 12 knots in the early part of the night.
Slight sea. Low, fairly long swell from WNW. Poor visibility becoming poor at the end of the night. Daytime of Thursday 17 september : The sky will remain changeable.
Skies changeable to very cloudy. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
Chance of light rain. N force 2 becoming NNW force 3 in the middle of the day then N. Gusts reaching 15 knots in the evening. Slight sea. Low, fairly long swell from WNW. Poor visibility temporarily in the middle of the day.