High 1023 hPa centered on the Celtic Sea moving at 22 knots to the East-North-East to be centered on the center of England.
For Tréguier : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloud and long sunny periods.No precipitation.In the evening, skies with few clouds. N wind force 3 from the middle of the day. Gusts reaching 16 knots in the middle of the day. Smooth to slight sea. Low, short swell from NW. Excellent visibility becoming good in the evening.