For Billiers :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Warm sun all day. In the evening, clear skies.
NE force 2 turning WSW force 3 in the middle of the day then WNW. Gusts reaching 17 knots from the middle of the day. Smooth sea. Low, fairly long swell from SW. Excellent visibility.