A westerly and particularly 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 Tuesday to Wednesday NW wind force 2 continuing all night. Gusts reaching 11 knots until the middle of the night.
Smooth to slight sea. Low, short swell from WNW. Visibility reduced by fog becoming reduced by mist in the middle of the night then reduced by fog. Daytime of Wednesday 19 august : Warning:reduced visibility early in the day.
Fog developing into low cloud during the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, cloudy spells, sometimes dense.
Chance of light rain. WNW force 2 in the morning turning NNW force 3 in the middle of the day. Gusts reaching 15 knots in the evening. Slight sea. Low, short swell from WNW. Visibility reduced by fog becoming excellent in the middle of the day then reduced by mist.