A northerly and mostly variable flow prevails over the South-West of the basin. Over the North and the East, it is southwesterly, strong and very variable.
For Tréguier :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy skies to overcast. No precipitation. In the evening, clear periods developing.
No precipitation. NW wind force 3 from the middle of the day. Gusts reaching 17 knots in the evening. Slight sea. Low, long swell from WNW. Excellent visibility becoming poor in the evening.