High 1021 hPa centered at 100 nautical miles in the South-West of the Île de Sein moving at 25 knots to the East to be centered on Switzerland.
For Pourville :
No gale warning.
We are 85% sure of the situation, because the atmosphere might not be as stable as forecast.
Overcast with reduced visibility in the morning, very cloudy in the afternoon. The risk of seeing rain will remain low. In the evening, very cloudy.
No precipitation. WSW force 3 turning WNW in the middle of the day then NW force 2. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea. Low, short swell from WNW. Visibility reduced by fog becoming good in the middle of the day then reduced by mist.