For Etang de Cergy : No gale warning.
We are 80% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Overcast skies. Light rain.
In the evening, overcast skies. Rain. SW force 4 in the middle of the day turning S in the evening. Gusts reaching 28 knots in the evening. Excellent visibility.