A westerly and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is assessed at 80%.
For the night from Tuesday to Wednesday WNW wind force 3 continuing all night. Gusts reaching 15 knots in the middle of the night.
Smooth sea becoming smooth to slight at the end of the night. Low, short swell from W. Good visibility becoming excellent in the middle of the night then poor. Daytime of Wednesday 19 august : The atmosphere will remain unstable.
Very cloudy skies with short clear spells. Light showers all day. In the evening, light cloudy spells.
WSW force 3 turning WNW in the middle of the day then becoming force 4. Gusts reaching 20 knots in the evening. Slight sea becoming smooth to slight in the middle of the day. Low, short swell from W. Poor visibility becoming good in the middle of the day then excellent.