For Stêr-Ouen :
Warning strong breeze.
The reliability of the situation is assessed at 80%.
Very cloudy. Light showers. In the evening, good clear periods but lots of cloud, too.
Possibility of showers S force 6 in the middle of the day becoming SSW force 5 in the evening. Gusts reaching 45 knots in the middle of the day. Rough to very rough sea becoming rough in the evening. Moderate, fairly long swell from WSW. Excellent visibility.