For Saint-Denis-D"Oleron :
No gale warning.
For the night from Monday to Tuesday WNW force 3 in the early part of the night becoming force 2. Gusts reaching 14 knots until the middle of the night.
Smooth to slight sea. Low from N. Excellent visibility becoming excellent in the middle of the night then good. Daytime of Tuesday 25 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers NW force 2 becoming WNW force 3 in the middle of the day then NW force 4. Gusts reaching 16 knots in the evening. Smooth to slight sea. Low from N then fairly long from W in the evening. Good visibility becoming good in the middle of the day then excellent.