Seignosse,étang noir 15 17.8 16.6 19.3 21.5 22.8 25.3 30.1 32.8 31.6 27.9 27.9 30.6 32 32.5 32.6 32.6 32 31 32.4 33.6 33.1 32.8 32.9 36.5 41 42 42.4 42.9 43.3 43.5 44.8 42 39.8 40.6 38 36.2 36.2 35.9 34.5 33.3 31.2 29.7 29.4 30 34.1 35.1 32 30 27.9 33.4 31.1 34.4 31.8 32 32.8 29.4 26.4 28.3 30.8 30 29.3 27.7 27.1 26.3 26 28.2 27.2 26 25.5 26.1 26.3 21.4 22 24.2 21.8 23.4 27.4 25.2 21 18.1 18 17.7 19.9 22.5 21 20.3 20.4 20.3 20 21.7 23 24.6 26.9 28.3 30.3 31.7 31.9 30.8 29.3 28.8 28.3 26.8 25.5 26.1 24.7 24.2 26 25.4 21 21.9 17.8 17 16 16.1 16.2 16.6 17.8 18.4 19.3 19.8 21.2 22.1 24.2 25.9 24.8 24 22.2 22 21.5 18.3 17 16.2 14.2 15.8 15.1 16.1 15.7 16.2 15.6 15.3 15