For Lac de Tanay : No gale warning.
The reliability of the situation is assessed at 90%.
Skies very cloudy to overcast in the morning, some sun but cloud building in the afternoon. No precipitation.
In the evening, good clear periods but lots of cloud, too. No precipitation. SSE force 2 in the morning temporarily E force 1 in the middle of the day. Gusts reaching 19 knots in the evening. Good visibility becoming excellent in the middle of the day.