A northerly, moderate and variable flow prevails over the West of the basin. Over the North-East, it is southeasterly, moderate and very variable. Over the South-East, it is southwesterly, weak and variable.
For Porsay :
No gale warning.
The reliability of the situation is very good.
In the evening, very cloudy.
Possibility of showers S wind force 2. Smooth sea. Low, short swell from NNE. Visibility reduced by mist.