Rip Tide 4
Rip Tide 4 : The rip tide is not a tide, it is a current. When waves hit the beach they hit at an angle and push water ahead of them. This water forms a current that flows parallel to the shore, called the longshore current. When the shape of the beach changes, or its direction (as in from North-South to Northeast-Southwest) the speed of the current changes. Locally this can cause more water to flow into an area than can flow out, and water will pile up. This is much like a traffic jam for the currents. However, the water, which is trapped next to the shore, cannot get out because of the longshore current. Eventually, so much water will pile up that it can break through the longshore current in a small area. The large amount of water rushing through a small break causes a strong current in a small area that flows perpendicular (away) from the shore. This is what is called the rip tide
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