The ocean is always on the move, sometimes rolling in gentle swells and at other times slamming with tremendous force into the shoreline. The ocean uses energy that it has received from the forces acting upon it to stay on the move.
Currents cause water to move continuously in a circular path deep beneath and at the surface of the ocean. The rotation of the Earth causes this movement. In the Northern Hemisphere, the area north of the equator, currents travel from west to east, then back again in a big circle. This is called a clockwise direction. In the Southern Hemisphere, currents travel from east to west, then back again in a counter clockwise direction...read more
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