A northeasterly, strong and variable flow prevails over the North of the basin. Over the South, it is southerly, moderate and very variable.
For Rochevilaine :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Lots of good clear periods. No precipitation. In the evening, cloudy and humid with a risk of fog.
No precipitation. SSE force 2 in the middle of the day turning ENE in the evening. Gusts reaching 9 knots in the evening. Smooth to slight sea. Low, fairly long swell from SW. Poor visibility becoming reduced by mist in the evening.