Low 999 hPa centered at 280 nautical miles in the South-West of Fastnet Rock (South-West Ireland) moving at 17 knots to the North-East and rising to 1002 hPa to be centered on the Celtic Sea.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is fairly good.
For the night from Wednesday to Thursday SSW wind force 2 continuing all night. Gusts reaching 12 knots in the early part of the night.
Smooth to slight sea becoming slight at the end of the night. Low, short swell from SW. Poor visibility becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Thursday 27 august : The weather will deteriorate, becoming increasingly unstable.
Sun but cloud increasing in the morning, storms developing in the afternoon. No precipitation in the morning, showers with possibility of hail in the afternoon. In the evening, stormy but gradually improving.
Showers. S force 2 turning SW in the middle of the day then W. Gusts reaching 12 knots from the middle of the day. Slight sea. Low, short swell from WSW. Visibility reduced by mist temporarily in the middle of the day.