A northerly, weak and very variable flow prevails over the whole area.
For Saint-Quay-Portrieux :
No gale warning.
For the night from Sunday to Monday NNE wind force 2 continuing all night. Gusts reaching 16 knots in the early part of the night.
Slight sea. Low, short swell from NNW. Poor visibility becoming poor in the middle of the night. Daytime of Monday 17 august : The sky will remain changeable.
Skies changeable to very cloudy. Risk of showers in the morning, showers late in the day. In the evening, cloud and long sunny periods.
Light showers progressively becoming less frequent. NE force 3 becoming NNE force 4 in the middle of the day then N force 3. Gusts reaching 17 knots from the middle of the day. Slight sea. Low, short swell from NNW. Poor visibility becoming excellent in the middle of the day then good.