A northeasterly, moderate and mostly variable flow prevails over the West and the North of the basin. Over the South-East, it is southwesterly, moderate and variable.
For Saint-Denis-d"Oléron :
No gale warning.
The reliability of the situation is assessed at 95%.
For the night from Saturday to Sunday NW wind force 2 continuing all night. Gusts reaching 9 knots in the early part of the night.
Smooth to slight sea. Low, fairly long swell from W. Visibility reduced by mist becoming reduced by mist in the middle of the night. Daytime of Sunday 4 may : Improving during the day:the sky will clear.
Skies very cloudy, becoming totally overcast during the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, cloudy spells, sometimes dense.
Possibility of showers NNW force 2 freshening WNW force 4 in the middle of the day then NNE force 5. Gusts reaching 25 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, fairly long swell from WNW. Visibility reduced by mist becoming good in the middle of the day then excellent.