For Saint-Quay-Portrieux :
No gale warning.
For the night from Saturday to Sunday NW force 3 becoming WNW force 2 in the middle of the night then NW. Gusts reaching 17 knots until the middle of the night.
Slight sea. Low, short swell from NE. Excellent visibility becoming poor in the middle of the night then poor. Daytime of Sunday 23 august : The unsettled weather will become more unpredictable in the second half of the day.
Good clear periods alternating with cloudy spells, sometimes dense. Some showers from late morning. In the evening, cloudy spells, sometimes dense.
Light showers progressively becoming less frequent. WNW force 3 in the morning turning NNW in the middle of the day. Gusts reaching 16 knots. Slight sea. Low, short swell from NE then fairly long from NW in the evening. Poor visibility becoming excellent in the middle of the day.