Mean High Water

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"MHW" redirects here. For other uses, see MHW (disambiguation).

Mean High Water (MHW) is the average of all the high water heights observed over a period of several years. For example, in the USA this period spans 19 years and is referred to as the National Tidal Datum Epoch.[1]

References

  1. ↑ "Tidal Datums". tidesandcurrents.noaa.gov. 


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