For Le Tréport :
No gale warning.
For the night from Saturday to Sunday W wind force 2 continuing all night. Gusts reaching 16 knots until the middle of the night.
Slight sea. Low from N then from WNW at the end of the night. Excellent visibility becoming good in the middle of the night then good. Daytime of Sunday 23 august : The atmosphere will remain unstable.
Skies changeable to very cloudy. Light showers all day. In the evening, cloudy spells, sometimes dense.
Light showers. WSW force 3 in the morning turning WNW in the middle of the day. Gusts reaching 17 knots in the evening. Slight sea. Low, short swell from WNW then from N in the middle of the day. Good visibility becoming excellent in the middle of the day.