High 1027 hPa centered at 150 nautical miles in the West-South-West of the Île de Sein moving at 16 knots to the North-East and gaining strength to 1033 hPa to be centered on Wales.
For Penthièvre :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Relatively clear skies becoming changeable. In the evening, clear spells, risk of mist forming.
No precipitation. W wind force 3 from the middle of the day. Gusts reaching 15 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Excellent visibility becoming poor in the evening.