A northwesterly and variable flow prevails over the South and the West of the basin. Over the North-East, it is southerly, weak and particularly variable.
For Saint-Quay-Portrieux :
No gale warning.
The reliability of the situation is poor.
For the night from Thursday to Friday WNW wind force 3 continuing all night. Gusts reaching 16 knots in the early part of the night.
Smooth sea. Low, short swell from NW. Excellent visibility becoming poor in the middle of the night then reduced by mist. Daytime of Friday 14 august : Warning:reduced visibility early in the day.
Sunny spells with possibility of mist forming in the morning, cloud and sun in the afternoon. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. NW force 3 becoming NNW force 4 in the middle of the day then NW. Gusts reaching 18 knots from the middle of the day. Smooth to slight sea. Low, short swell from WNW. Visibility reduced by mist becoming excellent in the middle of the day then poor.