Low 999 hPa centered on the North-East of Spain moving at 16 knots to the West-North-West and rising to 1003 hPa to be centered on the South-East of the Bay of Biscay.
For Plage du Petit Mousse :
Warning fresh gale offshore.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Skies very cloudy to overcast in the morning, overcast skies with storms likely in the afternoon. Showers all day. In the evening, very cloudy with risk of storms.
Heavy showers. SE force 5 becoming force 6 in the middle of the day then SW. Gusts reaching 42 knots in the evening. Moderate sea. Low, short swell from SSW. Good visibility becoming excellent in the middle of the day then excellent.