A westerly and particularly variable flow prevails over the whole area.
Für Saint-Briac-sur-Mer :
No gale warning.
For the night from Sunday to Monday NW force 2 turning WSW force 1 in the middle of the night then SW. Gusts reaching 10 knots at the end of the night.
Slight sea. Low, long swell from NW then short from N in the middle of the night. Good visibility becoming reduced by mist in the middle of the night. Daytime of Monday 18 may : Warning:reduced visibility early in the day.
Cloudy with risk of fog in the morning, good clear periods with lots of cloud in the afternoon. Light showers all day. In the evening, cloudy spells, sometimes dense.
Light showers. SSW force 2 turning W force 3 in the middle of the day then WNW. Gusts reaching 17 knots in the evening. Slight sea. Low from N. Visibility reduced by mist becoming excellent in the middle of the day then poor.