| Datum | Value | Description |
|---|---|---|
| MHHW | 8.20 | Mean Higher-High Water |
| MHW | 7.57 | Mean High Water |
| MTL | 4.38 | Mean Tide Level |
| MSL | 4.40 | Mean Sea Level |
| DTL | 4.10 | Mean Diurnal Tide Level |
| MLW | 1.20 | Mean Low Water |
| MLLW | 0.00 | Mean Lower-Low Water |
| NAVD88 | 1.18 | North American Vertical Datum of 1988 |
| STND | -6.74 | Station Datum |
| GT | 8.20 | Great Diurnal Range |
| MN | 6.37 | Mean Range of Tide |
| DHQ | 0.63 | Mean Diurnal High Water Inequality |
| DLQ | 1.20 | Mean Diurnal Low Water Inequality |
| HWI | 8.32 | Greenwich High Water Interval (in hours) |
| LWI | 2.10 | Greenwich Low Water Interval (in hours) |
| Max Tide | 10.79 | Highest Observed Tide |
| Max Tide Date & Time | 12/03/1983 19:42 | Highest Observed Tide Date & Time |
| Min Tide | -2.78 | Lowest Observed Tide |
| Min Tide Date & Time | 01/11/2009 02:36 | Lowest Observed Tide Date & Time |
| HAT | 9.71 | Highest Astronomical Tide |
| HAT Date & Time | 12/04/2025 18:48 | HAT Date and Time |
| LAT | -2.11 | Lowest Astronomical Tide |
| LAT Date & Time | 01/11/2005 02:54 | LAT Date and Time |
| Tidal Datum Analysis Periods |
|---|
| 10/01/1997 - 09/30/2018 |