This tidal gauge is ready to be installed underwater in a marina. The water enters the device by the bottom pipe (far end of the tube), and electronic sensors measure its height and record it to a tiny computer.

A tide gauge is a device for measuring sea level. Image File history File linksMetadata Download high resolution version (900x1604, 323 KB) A tidal gauge, ready to be installed in a harbor hardware: IPGP Copyright © 2004 David Monniaux File links The following pages link to this file: Tide gauge Metadata This file contains additional information, probably added from the digital... Image File history File linksMetadata Download high resolution version (900x1604, 323 KB) A tidal gauge, ready to be installed in a harbor hardware: IPGP Copyright © 2004 David Monniaux File links The following pages link to this file: Tide gauge Metadata This file contains additional information, probably added from the digital... For other uses of this word, see Marina (disambiguation). ... For considerations of sea level change, in particular rise associated with possible global warming, see sea level rise. ...

Tide gauges are used to measure tides and quantify the size of tsunamis. This article is about tides in the ocean. ... The tsunami that struck Malé in the Maldives on December 26, 2004. ...

Observed sea level rise from a composite of 23 long-term tide gauge records at geologically stable sites.