abstract appearance backdrop background blended change changing currents dips dusk early evening ebb and flow foam foaming froth light movement ocean pull reflection reflections salt water seaside shades shore sunlight surf surface texture textures tide troughs vast vibrancy vibrant wallpaper water wavelets waves surfer swimmer surf board beach coast coastline color colors colour colours distance distant ebb-and-flow expanse Indian-ocean peaceful powerful ripples rippling salt-water sand scene seashore sunshine view views western australia clouds dark footprints frothing horizon seaweed sky tracks Western-Australia