A westerly, strong and mostly variable flow prevails over the whole area.
For Ploudalmézeau :
No gale warning.
We are 90% sure of the situation, because the atmosphere might not be as stable as forecast.
Good clear periods but cloud building. No precipitation. In the evening, very cloudy.
Chance of light rain. WSW force 4 in the middle of the day becoming W force 3 in the evening. Gusts reaching 18 knots in the middle of the day. Slight sea. Low, fairly long swell from WNW. Excellent visibility becoming poor in the evening.