A southwesterly, strong and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is fairly good.
For the night from Tuesday to Wednesday WSW force 4 in the early part of the night becoming SW force 3. Gusts reaching 19 knots in the early part of the night.
Slight sea. Low, short swell from WSW. Excellent visibility becoming good in the middle of the night then poor. Daytime of Wednesday 20 may : Improving during the day:the sky will clear.
Cloud and long sunny periods. No precipitation. In the evening, clear spells, risk of mist forming.
No precipitation. SW force 4 in the morning becoming WSW force 3 in the evening. Gusts reaching 21 knots until the middle of the day. Slight sea. Low, fairly long swell from W. Poor visibility becoming excellent in the middle of the day then reduced by mist.