![]() These tides can occur twice, that is, one high tide and one low tide, in some places. These are tides that are caused by the gravitational pull of the moon, the sun, and the earth. Tidal range refers to the difference in the maximum height of the tide, referred to as high tide, and its minimum height, referred to as low tide. During ebb tide, the seashore is visible as the water flows from it. EbbtideĮbbtide occurs when the tide is falling and flowing towards the sea. Floodtideįloodtide occurs when the tide is rising and following inland, covering the seashore. This is the minimum height of the water as the current moves. This is the minimum height of the tide as the water current moves Low tide Understanding these concepts will help you to properly understand how tides work. There are some essential concepts and terms you should know when it comes to the tide. This is called slack tide and it usually lasts for 45 minutes or, in some places, up to one hour. At some point in the water current, there is little to no movement of the current at all. After high tide, the water recedes and it gets to a point where it attains its minimum height which is referred to as low tide or trough. It rises to a point where it attains its maximum height which is referred to as high tide or crest. When water waves occur, the water rises and falls. When these tide cycles combine, the result is a mixed tide which has two unequal high tides and two unequal low tides occurring within a lunar day. Where the diurnal tide cycle consists of a high tide and a low tide on a lunar day, the semi-diurnal tide has two high tides and two low tides. There are three types of these tides: diurnal tide, semi-diurnal tide, and mixed tide. The kinds of tides that are influenced by this force of gravity are referred to as astronomical tides. This movement is caused by the gravitational pull of the moon, sun, and earth. Tide is the movement of the water current.
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