For Berthaume :
No gale warning.
The reliability of the situation is assessed at 95%.
Very cloudy skies becoming totally overcast during the afternoon. No precipitation. In the evening, very cloudy skies to overcast.
No precipitation. NNW force 4 weakening WSW force 2 in the middle of the day then becoming W. Slight sea. Low, fairly long swell from SSW. Poor visibility becoming excellent in the middle of the day then poor.