A westerly and very variable flow prevails over the whole area.
For Courseulles-sur-Mer :
No gale warning.
For the night from Wednesday to Thursday W wind force 2 continuing all night. Gusts reaching 13 knots at the end of the night.
Smooth sea becoming slight in the middle of the night. Low, short swell from SE. Good visibility becoming poor in the middle of the night then poor. Daytime of Thursday 20 august : The atmosphere will remain unstable.
Skies changeable to very cloudy. Light showers all day. In the evening, cloudy spells, sometimes dense.
Possibility of showers W force 2 in the morning turning NW force 3 in the middle of the day. Gusts reaching 13 knots in the morning. Slight sea. Low, short swell from NNE. Poor visibility becoming excellent in the middle of the day then good.