Ocean water is moved by three different forces: waves, currents and tides. These forces cause ocean water to move around the vast area that the ocean covers.
Currents are defined as the large movement of water in the same direction. Currents exist in both temporary and long-lasting states. Currents are found at the surface of the water or in the deeper levels of the ocean. Currents affect the global climate patterns because of the heat that the currents move.
Waves move energy and ocean water from one place to another. Tides are large waves and cause the level of the ocean to rise and fall along the coast.