Low 981 hPa centered on the Celtic Sea moving at 13 knots to the East-North-East and rising to 988 hPa to be centered on the South-West of England.
For Pen Bron :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, clear spells, risk of mist forming.
No precipitation. S wind force 2. Gusts reaching 10 knots in the evening. Moderate sea. Moderate, fairly long swell from W. Visibility reduced by mist.