beach coast daybreak early movement ocean sand satin sea slow sun sunrise surf water waves yellow angry boisterous coastline natural nature Pembrokeshire rocks rough shine shore wales welsh boat choppy concept danger folded origami paper storm stormy vulnerable white atlantic islands islets lane marker norway Sea lane sign tower warning bird breakers fly flying gull seabird seagull swoop swooping wind windy beauty Hawaii island palm tree paradise relax sunset tropic vacation warm bay blue channel horizon Maddalena mediterranean Sardinia tiny tourism wave concrete harbour haven Jetty Lee protection shelter steps stone wall abstract background black foam light reflect reflection texture