High 1027 hPa centered on the South of the Irish Sea remaining almost stationary.
Für Saint-Briac-sur-Mer :
No gale warning.
For the night from Tuesday to Wednesday NNE force 2 becoming force 1 in the middle of the night then NE. Gusts reaching 12 knots in the early part of the night.
Smooth sea. Low, fairly long swell from NW. Excellent visibility becoming good in the middle of the night then good. Daytime of Wednesday 23 september : The weather will be good.
Sunny despite some cloudy spells but no rain. In the evening, lots of good clear periods.
No precipitation. NE force 2 in the morning becoming NNE force 3 in the middle of the day. Gusts reaching 15 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day. Low, fairly long swell from NW then from N in the middle of the day. Good visibility becoming excellent in the middle of the day.