For Rennes : No gale warning.
We are 80% sure of the situation, because flows might be far more disturbed than forecast.
Changeable skies completely clouding over during the morning, overcast skies in the afternoon. No precipitation in the morning, drizzle in late afternoon.
In the evening, overcast skies. Light, intermittent drizzle. SSE force 3 in the morning temporarily S force 4 in the middle of the day. Gusts reaching 23 knots in the middle of the day. Visibility reduced by mist becoming excellent in the middle of the day then poor.