A northerly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and very variable.
For Trez Hir :
No gale warning.
We are 85% 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, skies with few clouds.
ESE force 2 turning SW in the middle of the day then N force 3. Gusts reaching 11 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day. Low, fairly long swell from S. Good visibility becoming excellent in the middle of the day.