A southeasterly, strong and variable flow prevails over the whole area.
For Grande plage de Sion :
Warning strong breeze offshore.
We are 90% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Very cloudy. But clear spells will become more and more widespread. Light rain followed by showers in the morning, no precipitation in the afternoon. In the evening, good clear periods but cloud building.
No precipitation. SE force 5 in the morning temporarily ESE force 4 in the middle of the day. Gusts reaching 28 knots in the evening. Slight sea. Low, fairly long swell from SSW. Excellent visibility.