Mean higher high water

{
  "id": "MLC-T-ENV-016791",
  "term": "Mean higher high water",
  "field": "Environment",
  "definition": "The average of the higher high water height of each tidal day observed over the national tidal datum epoch. (see national tidal datum epoch)",
  "abbreviation": "MHHW",
  "subject": "Water",
  "references": [
    "Coastal Sensitivity to Sea-level Rise Glossary and Acronyms"
  ],
  "url": "https://mlchart.com/terminology/environment/mean-higher-high-water/"
}