A southwesterly and very variable flow prevails over the whole area.
For Saint-Cast-le-Guildo :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fog giving way to sun in early morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
SSE force 2 in the morning turning SSW force 3 in the evening. Gusts reaching 11 knots all day. Smooth sea. Low, long swell from WNW. Visibility reduced by fog becoming good in the middle of the day then poor.