A southwesterly, moderate and mostly variable flow prevails over the whole area.
For Saint-Nazaire :
No gale warning.
We are 85% sure of the situation, because the strength of the precipitation is difficult to assess for this type of disturbance.
Overcast with reduced visibility in the morning, very cloudy skies to overcast in the afternoon. The risk of seeing rain will remain low. In the evening, very cloudy skies to overcast.
No precipitation. SSE force 3 in the morning temporarily SSW in the middle of the day. Gusts reaching 13 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, fairly long swell from WSW. Visibility reduced by mist becoming good in the middle of the day then good.