Spring High Water
The average height of the high waters of the spring tides is called spring high water or mean high water springs (MHWS) (https://tidesandcurrents.noaa.gov/publications/tidal_datums_and_their_applications.pdf)
The average height of the high waters of the spring tides is called spring high water or mean high water springs (MHWS) (https://tidesandcurrents.noaa.gov/publications/tidal_datums_and_their_applications.pdf)