A northeasterly, moderate and mostly variable flow prevails over the South of the basin. Over the North, it is southwesterly, very strong and variable.
For Tréguier :
No gale warning.
The reliability of the situation is assessed at 90%.
Little cloud in the morning, skies becoming progressively hazier during the afternoon. No precipitation. In the evening, skies with few clouds.
NE force 2 becoming NNE force 3 in the middle of the day then NNW. Gusts reaching 15 knots in the middle of the day. Smooth to slight sea. Low, short swell from NW. Excellent visibility becoming excellent in the middle of the day then good.