A northerly and variable flow prevails over the whole area.
For Porsay : No gale warning.
The reliability of the situation is good.
Warm sun all day.In the evening, relatively clear skies becoming changeable. SSE force 2 turning NE force 3 in the middle of the day then becoming NNE. Gusts reaching 16 knots in the middle of the day. Smooth sea. Low, short swell from NW then from NNE in the evening. Poor visibility becoming excellent in the middle of the day then reduced by mist.