For Merk - saint lievin: No gale warning.
We are 70% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Cloud and sun in the morning, very cloudy in the afternoon. Showers all day.
In the evening, good clear periods but lots of cloud, too. Showers. SSE force 3 turning NNE force 4 in the middle of the day then N force 3. Gusts reaching 23 knots in the middle of the day. Good visibility becoming excellent in the middle of the day then poor.