Low 1002 hPa centered at 140 nautical miles in the West of Ouessant moving at 15 knots to the North-North-East to be centered on the North of the Irish Sea.
For Penn al Lann :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloud and sun in the morning, increasing sunny spells in the afternoon. The risk of seeing rain will remain low. In the evening, lots of good clear periods.
No precipitation. SW force 3 becoming WSW force 4 in the middle of the day then SW. Gusts reaching 24 knots in the middle of the day. Smooth sea. Low, fairly long swell from NNW. Poor visibility becoming excellent in the middle of the day.