For Etang de Cergy : No gale warning.
We are 90% sure of the situation, because, given the current situation, the size of the cloud cover is difficult to assess.
Skies changeable to very cloudy. No precipitation.
In the evening, skies with few clouds. SW force 2 in the morning turning S in the evening. Gusts reaching 11 knots in the middle of the day. Visibility reduced by mist becoming excellent in the middle of the day.