Cotidal line

Source: Wikipedia, the free encyclopedia.
Cotidal lines on an ocean map

Cotidal lines are the set of places where

high tide
occurs at the same time.

They sometimes all meet at a particular point called the amphidromic point, where the amplitude of the tide is almost null.[1][2]

References

  1. .
  2. ^ Zavatarelli, Marco. "Dynamic theory of tides" (PDF).