Low 993 hPa centered on the Celtic Sea moving at 5 knots to the East-South-East and rising to 996 hPa to be centered on West Channel.
For Saint-Brevin-Les-Pins :
Warning moderate gale offshore.
The reliability of the situation is limited.
For the night from Sunday to Monday SW force 5 in the early part of the night turning W force 4. Gusts reaching 32 knots in the early part of the night.
Slight sea becoming moderate at the end of the night. Low, fairly long swell from SSW then moderate from WSW at the end of the night. Excellent visibility. Daytime of Monday 21 july : The atmosphere will remain unstable.
Very cloudy with risk of thunderstorms in the morning, skies clearing but storms likely in the afternoon. Light showers all day. In the evening, changeable skies becoming less cloudy.
Chance of light rain. W wind force 5 continuing all day. Gusts reaching 32 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from WSW then low in the middle of the day then from WSW. Excellent visibility.