Mean high water

{
  "id": "MLC-T-MET-007157",
  "term": "Mean high water",
  "field": "Meteorology and atmospheric science",
  "definition": "The average height of all high tides observed over a specific period, typically 19 years, which constitutes a full tidal epoch. This tidal datum is used for charting and for defining the boundary between land and water in coastal areas. It represents a long-term average, smoothing out daily and seasonal variations.",
  "see_also": [
    "mean sea level"
  ],
  "url": "https://mlchart.com/terminology/meteorology/mean-high-water/"
}