A westerly and strong flow prevails over the whole area.
For Le-Pouliguen :
No gale warning.
For the night from Friday to Saturday W force 3 in the early part of the night turning NW force 2. Gusts reaching 13 knots in the middle of the night.
Slight sea. Low, fairly long swell from W. Excellent visibility becoming generally reduced by mist at the end of the night. Daytime of Saturday 20 august : Warning:reduced visibility early in the day.
Sunny after slow dispersal of fog in the morning, changeable skies clouding over completely in the afternoon. No precipitation. In the evening, skies clearing but remaining hazy after improving.
No precipitation. NW force 2 freshening WSW force 4 in the middle of the day then becoming W. Gusts reaching 22 knots in the evening. Slight sea. Low, fairly long swell from W. Visibility generally reduced by mist becoming excellent in the middle of the day.