A northerly flow prevails over the whole area.
For Mesquer :
No gale warning.
We are 80% sure of the situation, because storms may be more local.
Very cloudy in the morning, storms developing in the afternoon. No precipitation in the morning, showers late in the day. In the evening, storms as night falls.
Showers. S force 3 turning WNW in the middle of the day then NW. Gusts reaching 22 knots in the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from WSW. Visibility reduced by mist becoming good in the middle of the day then good.