Low 1013 hPa centered on the North of Ireland moving at 32 knots to the East-South-East to be centered on East Channel.
For Trévignon :
No gale warning.
The reliability of the situation is assessed at 95%.
Clear skies. In the evening, clear periods developing.
No precipitation. SSE force 3 in the middle of the day turning WSW in the evening. Gusts reaching 12 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from SW. Good visibility becoming good in the evening.