panorama of harbour, salt marsh and mud flat at low tide of waddensea on west frisian island schiermonnikoog, netherlands

boats coast coastal coastline dutch ebb europe european flat flats friesland frisian harbor harbour holland horizon island landscape low marina marsh marshes marshland mud mudflat mudflats nature netherlands panorama salt saltmarsh sand sandflat sandflats schiermonnikoog sea seaside tidal tide vast wadden waddensea water west wetland wetlands