Für Thonon les Bains : No gale warning.
For the night from Thursday to Friday SSE wind force 1 continuing all night. Gusts reaching 8 knots in the early part of the night. Visibility reduced by mist becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Friday 22 may : The atmosphere will remain unstable. Very cloudy. But clear spells will become more and more widespread. Showers all day.
In the evening, good clear periods but lots of cloud, too. Showers. S force 1 turning WNW in the middle of the day then W. Gusts reaching 10 knots in the middle of the day. Visibility reduced by mist becoming excellent in the middle of the day then poor.