Mad River Slough Tide Gage

Northern Hydrology installed this tide gage. Data collected from this gage are presented on this page, as well as a map and photos of the gage location.

This page contains information related to the Tide Gages installed at the Trinidad Pier. There are two tide gages at the Trinidad Pier (a Central and Northern California Ocean Observing System (CENCOOS) gage and an HBV gage).


  • Here are some photos that show the locations of the tide gage and other key survey locations.

  • Here is a map showing the general layout of the level survey.

  • Informational Photos


  • Here are some results from data collected at this tide gage: Here
  • Station Home Page
  • Data
  • Photos

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