Low 977 hPa centered on the South of the Irish Sea moving at 13 knots to the South and rising to 986 hPa to be centered on the Celtic Sea.
For Plage de Tresmeur :
Warning strong breeze offshore.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies very cloudy to overcast in the morning, cloudy spells, sometimes dense, in the afternoon. Some light rain in the morning, no precipitation in the afternoon. In the evening, cloudy spells, sometimes dense.
No precipitation. SSW force 3 in the morning turning W in the middle of the day. Gusts reaching 15 knots in the evening. Moderate sea. Moderate, fairly long swell from NW. Good visibility becoming excellent in the middle of the day.