Low 1007 hPa centered on the North of the Bay of Biscay moving at 7 knots to the West to be centered on the South-West of the Bay of Biscay.
For Arromanches :
No gale warning.
We are 90% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Skies changeable becoming cloudier in late morning. No precipitation in the morning, possibility of showers in the afternoon. In the evening, skies clearing but continuing risk of storms.
Possibility of showers SSE wind force 3 continuing all day. Gusts reaching 17 knots in the middle of the day. Smooth sea becoming smooth to slight in the evening. Low, short swell from NNE. Visibility reduced by mist becoming excellent in the middle of the day then good.