A westerly, moderate and variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Wednesday to Thursday W force 4 becoming force 3 in the middle of the night then WSW force 2. Gusts reaching 19 knots in the early part of the night.
Slight sea. Low, fairly long swell from W. Excellent visibility becoming good in the middle of the night then poor. Daytime of Thursday 22 october : The unsettled weather will become more unpredictable in the second half of the day.
Very cloudy skies with short clear spells. Risk of showers in the morning, light showers in the afternoon. In the evening, very cloudy.
Light showers. WSW force 3 in the morning becoming SW force 4 in the middle of the day. Gusts reaching 22 knots in the evening. Slight sea. Low, short swell from W. Poor visibility becoming excellent in the middle of the day.