For Arcouest :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fog developing into low cloud during the morning, very cloudy in the afternoon. No precipitation. In the evening, very cloudy.
No precipitation. NW wind force 4 continuing all day. Gusts reaching 22 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from NNE. Visibility reduced by mist becoming excellent in the middle of the day.