High 1027 hPa centered to the South-West of Ireland moving at 23 knots to the East to be centered on Wales.
For Barmouth :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloudy spells, sometimes dense. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. WNW force 4 in the middle of the day turning SW force 3 in the evening. Gusts reaching 20 knots in the middle of the day. Smooth to slight sea. Low, short swell from WSW. Excellent visibility.