Cotidal line

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. "Cotidal line" . A Dictionary of Plant Sciences (2 ed.). Oxford University Press. 2006-01-01. doi:10.1093/acref/9780198608912.001.0001. ISBN   978-0-19-860891-2.
2. Zavatarelli, Marco. "Dynamic theory of tides" (PDF).