Low 995 hPa centered on the South of the Irish Sea moving at 19 knots to the East to be centered on the East of England.
For Saint-Brevin-Les-Pins :
Warning moderate gale offshore.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
For the night from Tuesday to Wednesday S force 5 turning W in the middle of the night then WNW. Gusts reaching 38 knots in the middle of the night.
Slight sea. Low, short swell from W. Excellent visibility. Daytime of Wednesday 21 october : The atmosphere will remain unstable.
Bright spells increasing during the morning, cloud and sun in the afternoon. Light showers all day. In the evening, very cloudy.
Light showers progressively becoming less frequent. WNW wind force 5 continuing all day. Gusts reaching 38 knots in the morning. Slight sea. Low, fairly long swell from SW. Excellent visibility.