A southwesterly, strong and very variable flow prevails over the whole area.
For Plage de Lost-Marc"h :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Lots of cloud dispersing during the morning, skies clearing but remaining hazy in the afternoon. Light rain in late morning, light showers dying away progressively in the afternoon. In the evening, skies with few clouds.
SW force 5 weakening WNW force 3 in the middle of the day then force 2. Gusts reaching 26 knots in the morning. Moderate sea. Low, fairly long swell from W then moderate in the middle of the day then from W. Excellent visibility becoming good in the evening.