For Saint-Briac-sur-Mer :
No gale warning.
For the night from Wednesday to Thursday W wind force 3 continuing all night. Gusts reaching 17 knots in the early part of the night.
Slight sea. Low from N. Excellent visibility becoming poor in the middle of the night then poor. Daytime of Thursday 27 august : The atmosphere will remain unstable.
Skies changeable to very cloudy. Light showers all day. In the evening, clear periods developing.
Light showers. WSW force 3 in the morning turning WNW in the evening. Gusts reaching 16 knots. Slight sea. Low from N then fairly long from NW in the middle of the day then from NW. Poor visibility becoming excellent in the middle of the day.