For Vannes :
No gale warning.
For the night from Sunday to Monday NE force 3 in the early part of the night becoming force 2. Gusts reaching 15 knots at the end of the night.
Smooth to slight sea. Low, short swell from S then from N at the end of the night. Excellent visibility becoming good in the middle of the night then good. Daytime of Monday 19 october : The weather will become more uncertain during the day.
Skies changeable becoming very cloudy in the afternoon. The risk of seeing rain will remain low. In the evening, cloudy spells, sometimes dense.
Risk of showers in the early hours. NE force 2 turning NW in the middle of the day then WNW force 1. Gusts reaching 15 knots all day. Smooth to slight sea. Low from N then from S in the middle of the day then from S. Good visibility becoming excellent in the middle of the day then excellent.