Low 1008 hPa centered on the North of the Bay of Biscay moving at 10 knots to the West to be centered at 170 nautical miles in the West of the Île de Sein.
For La Teste de Buch :
No gale warning.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Fog developing into low cloud during the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, cloudy spells, sometimes dense.
Chance of light rain. E force 1 in the morning freshening NNW force 3 in the middle of the day. Gusts reaching 14 knots in the middle of the day. Smooth sea. Low, fairly long swell from WNW. Visibility reduced by mist becoming excellent in the middle of the day then good.