Cotidal line explained

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]}

Notes and References

1. Encyclopedia: Cotidal line. A Dictionary of Plant Sciences . 2006-01-01 . Oxford University Press . 978-0-19-860891-2 . 2 . en . 10.1093/acref/9780198608912.001.0001.
2. Web site: Zavatarelli . Marco . Dynamic theory of tides .