Mean High Water
"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
- ↑ "Tidal Datums". tidesandcurrents.noaa.gov.