A northeasterly, moderate and variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and very variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is fairly good.
For the night from Tuesday to Wednesday WNW force 3 becoming W force 2 in the middle of the night then WNW. Gusts reaching 17 knots in the early part of the night.
Slight sea becoming smooth to slight in the middle of the night. Low, short swell from W. Excellent visibility becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Wednesday 19 august : The unsettled weather will become more unpredictable in the second half of the day.
Very cloudy. But clear spells will become more and more widespread. Some showers from late morning. In the evening, lots of good clear periods.
No precipitation. WNW force 3 in the morning becoming W force 4 in the middle of the day. Gusts reaching 19 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from W. Visibility reduced by mist becoming good in the middle of the day then excellent.