A southeasterly, very strong and mostly variable flow prevails over the North-West of the basin. Over the South and the East, it is southwesterly, very strong and variable.
For Plage du Châtelet :
Warning moderate gale offshore.
We are 90% sure of the situation, because the atmosphere might not be as stable as forecast.
Fog developing into low cloud during the morning, very cloudy skies to overcast in the afternoon. The risk of seeing rain will remain low. In the evening, very cloudy skies to overcast.
Risk of showers in the early hours. SSE force 4 in the morning turning SW force 5 in the middle of the day. Gusts reaching 33 knots in the evening. Smooth to slight sea. Low, fairly long swell from S. Visibility reduced by fog becoming excellent in the middle of the day.