tidal wave

tidal wave

tidal wave, term properly applied to the crest of a tide as it moves around the earth. The wavelike upstream rush of water caused by the incoming tide in some locations is known as a tidal bore. In popular usage the term tidal wave also is often applied to any destructive wave or to high water not related to tidal phenomena. These latter waves are of two types: tsunamis, which are waves caused by earthquakes, and storm surges (see under storm).
The term tidal wave can refer to:

  • A tidal bore, a large movement of water formed by the funneling of the incoming tide into a river or narrow bay
  • A rogue wave of up to 100 feet high, often in the middle of the ocean and against prevailing current and wave direction
  • The crest (physics) of a tide as it moves around the Earth.
  • Tsunami are often referred to popularly as tidal waves. This term is inaccurate because tsunamis are not related to tides and its use is discouraged by geologists and oceanographers.

Other uses include:

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