A southerly, strong and mostly variable flow prevails over the whole area.
For Siouville :
No gale warning.
We are 85% sure of the situation, because flows might be far more disturbed than forecast.
Overcast with reduced visibility in the morning, overcast skies in the afternoon. The risk of seeing rain will remain low. In the evening, overcast skies but some breaks developing.
Chance of light rain. SSE wind force 3 continuing all day. Gusts reaching 16 knots from the middle of the day. Slight sea. Low, fairly long swell from W. Visibility reduced by mist temporarily in the middle of the day.