A northwesterly and very variable flow prevails over the whole area.
For Lancieux - Port de l"Islet :
No gale warning.
The reliability of the situation is poor.
For the night from Wednesday to Thursday NW wind force 2 continuing all night. Gusts reaching 11 knots in the early part of the night.
Slight sea. Low, short swell from WNW. Poor visibility. Daytime of Thursday 20 august : The weather will become more uncertain during the day.
Cloud and long sunny periods. The risk of seeing rain will remain low. In the evening, lots of good clear periods.
No precipitation. NW force 2 in the morning becoming NNW force 3 in the middle of the day. Gusts reaching 17 knots in the evening. Slight sea. Low, short swell from NW. Poor visibility becoming excellent in the middle of the day then good.