High 1033 hPa centered on the Celtic Sea moving at 17 knots to the North-East to be centered on Wales.
For Île de Houat :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies. In the evening, clear skies.
S force 2 in the middle of the day freshening NNW force 4 in the evening. Smooth to slight sea. Low, fairly long swell from WNW. Excellent visibility becoming good in the evening.