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 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.
Fair weather with mostly clear skies. In the evening, fair weather with mostly clear skies.
SSE force 2 in the morning temporarily ESE in the middle of the day. Gusts reaching 9 knots in the middle of the day. Smooth to slight sea becoming smooth in the evening. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day then good.