| Datum | Value | Description |
|---|---|---|
| MHHW | 1.70 | Mean Higher-High Water |
| MHW | 1.40 | Mean High Water |
| MTL | 0.89 | Mean Tide Level |
| MSL | 0.87 | Mean Sea Level |
| DTL | 0.85 | Mean Diurnal Tide Level |
| MLW | 0.39 | Mean Low Water |
| MLLW | 0.00 | Mean Lower-Low Water |
| NAVD88 | 1.59 | North American Vertical Datum of 1988 |
| STND | -2.42 | Station Datum |
| GT | 1.70 | Great Diurnal Range |
| MN | 1.02 | Mean Range of Tide |
| DHQ | 0.29 | Mean Diurnal High Water Inequality |
| DLQ | 0.38 | Mean Diurnal Low Water Inequality |
| HWI | 6.28 | Greenwich High Water Interval (in hours) |
| LWI | 12.36 | Greenwich Low Water Interval (in hours) |
| Max Tide | Highest Observed Tide | |
| Max Tide Date & Time | Highest Observed Tide Date & Time | |
| Min Tide | Lowest Observed Tide | |
| Min Tide Date & Time | Lowest Observed Tide Date & Time | |
| HAT | Highest Astronomical Tide | |
| HAT Date & Time | HAT Date and Time | |
| LAT | Lowest Astronomical Tide | |
| LAT Date & Time | LAT Date and Time |
| Tidal Datum Analysis Periods |
|---|
| 07/01/1977 - 07/31/1977 |
| 09/01/1977 - 10/31/1977 |