For Saint-Denis-D"Oleron :
No gale warning.
For the night from Saturday to Sunday NW force 3 in the early part of the night becoming force 2. Gusts reaching 15 knots in the early part of the night.
Smooth to slight sea becoming slight in the middle of the night. Low from N. Excellent visibility becoming excellent at the end of the night. Daytime of Sunday 23 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. Risk of some spots of rain in the morning, possibility of showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers NW force 3 becoming WNW force 4 in the middle of the day then NW. Gusts reaching 17 knots in the evening. Slight sea. Low from N. Excellent visibility becoming excellent in the middle of the day.