A southerly, moderate and very variable flow prevails over the whole area.
For Le-Pouliguen :
No gale warning.
The reliability of the situation is poor.
For the night from Wednesday to Thursday WNW force 1 turning NNE in the middle of the night then ENE force 3. Gusts reaching 11 knots at the end of the night.
Slight sea. Low, fairly long swell from W. Poor visibility becoming reduced by mist in the middle of the night then poor. Daytime of Thursday 21 may : Warning:reduced visibility early in the day.
Sunny spells with possibility of mist forming in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
E force 3 turning SE force 2 in the middle of the day then NE. Gusts reaching 12 knots in the morning. Slight sea. Low, fairly long swell from W. Visibility reduced by mist becoming good in the middle of the day then excellent.