blue break coast coastline crash crashing foam rock rocks rocky sea shore tide water wave waves white whitewater breaker breakers crest highlands ocean scotland spray storm swell wind windy abstract background changing choppy color colors colour colours cruise-liner cruise-ship currents dark deep deep-blue distance distant ebb-and-flow expanse foaming froth horizon Indian-ocean light motion movement powerful reflections ripples rippling salt-water sunlight surf surface texture textures troughs vast vibrancy vibrant view wake wallpaper wash coastal fishmonk flow flowing long exposure power