For Billiers :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear periods developing. No precipitation. In the evening, clear spells, risk of mist forming.
No precipitation. WSW wind force 3 from the middle of the day. Gusts reaching 19 knots in the middle of the day. Smooth sea. Low, short swell from SW. Excellent visibility becoming poor in the evening.