An easterly and very variable flow prevails over the South-East of the basin. Over the West and the North, it is southerly, moderate and very variable.
For Siouville :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny becoming changeable in the afternoon. No precipitation. In the evening, skies with few clouds.
E force 3 in the morning temporarily S in the middle of the day. Gusts reaching 14 knots in the morning. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from W. Poor visibility becoming excellent in the middle of the day then good.