A westerly, weak and particularly variable flow prevails over the whole area.
For Fécamp :
No gale warning.
For the night from Wednesday to Thursday NNE force 2 in the early part of the night becoming force 1. Gusts reaching 15 knots in the early part of the night.
Smooth to slight sea. Low, short swell from NNE. Good visibility temporarily in the middle of the night. Daytime of Thursday 20 august : The sky will remain changeable.
Cloud and long sunny periods. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, cloudy spells, sometimes dense.
Chance of light rain. NNE force 2 in the morning becoming N force 3 in the middle of the day. Gusts reaching 16 knots in the evening. Smooth to slight sea. Low, short swell from NNE. Good visibility becoming excellent in the middle of the day.