For Berthaume :
No gale warning.
The reliability of the situation is assessed at 95%.
Lots of good clear periods. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. WSW wind force 3 from the middle of the day. Gusts reaching 14 knots in the middle of the day. Slight sea. Low, short swell from SW. Good visibility becoming reduced by mist in the evening.