Summary

"The large tides in the Bay of Fundy result from tidal resonance. Tidal resonance occurs when the amount of time it takes a large wave to travel from the mouth of a bay to the far shore and back to the mouth is the same, or nearly the same, as the time between the high and low tides. This coincidence means that the general sloshing of the water around the bay can become synchronized with the lunar tides, amplifying their effect. When other factors come into play, such as storm surges, the tides in the Bay of Fundy have exceeded 20 meters."

Licensing

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."