A northwesterly, moderate and very variable flow prevails over the whole area.
For Pornichet :
No gale warning.
The reliability of the situation is assessed at 85%.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. No precipitation in the morning, light showers dying away progressively in the afternoon. In the evening, cloudy spells, sometimes dense.
No precipitation. WNW force 4 in the morning turning N in the evening. Gusts reaching 24 knots in the evening. Slight sea. Low, fairly long swell from WSW. Excellent visibility.