For Saint-Valery-en-Caux :
No gale warning.
For the night from Friday to Saturday NNW force 2 turning NE force 1 in the middle of the night then ENE. Gusts reaching 11 knots in the early part of the night.
Smooth to slight sea. Low from N. Excellent visibility. Daytime of Saturday 22 august : The weather will become more uncertain during the day.
Sunny, changeable at times in the afternoon. The risk of seeing rain will remain low. In the evening, cloudy spells, sometimes dense.
Chance of light rain. E force 1 turning N force 2 in the middle of the day then becoming force 3. Gusts reaching 15 knots in the evening. Smooth to slight sea becoming smooth in the middle of the day. Low from N. Excellent visibility.