A westerly, moderate and mostly variable flow prevails over the whole area.
Für Pornichet :
No gale warning.
We are 90% sure of the situation, because the strength of the precipitation is difficult to assess for this type of disturbance.
Dark, overcast skies with cloud and bad weather. Light showers followed by rain in the morning, rain in the afternoon. In the evening, clear periods developing.
No precipitation. E force 2 turning N force 3 in the middle of the day then WNW. Gusts reaching 14 knots in the evening. Smooth to slight sea. Low, short swell from SW. Poor visibility becoming reduced by mist in the middle of the day then poor.