| Datum | Value | Description |
|---|---|---|
| MHHW | 1.22 | Mean Higher-High Water |
| MHW | 1.20 | Mean High Water |
| MTL | 0.61 | Mean Tide Level |
| MSL | 0.57 | Mean Sea Level |
| DTL | 0.61 | Mean Diurnal Tide Level |
| MLW | 0.02 | Mean Low Water |
| MLLW | 0.00 | Mean Lower-Low Water |
| NAVD88 | 0.52 | North American Vertical Datum of 1988 |
| STND | -2.87 | Station Datum |
| GT | 1.22 | Great Diurnal Range |
| MN | 1.18 | Mean Range of Tide |
| DHQ | 0.02 | Mean Diurnal High Water Inequality |
| DLQ | 0.01 | Mean Diurnal Low Water Inequality |
| HWI | Greenwich High Water Interval (in hours) | |
| LWI | Greenwich Low Water Interval (in hours) | |
| Max Tide | 7.15 | Highest Observed Tide |
| Max Tide Date & Time | 09/16/2004 04:06 | Highest Observed Tide Date & Time |
| Min Tide | -2.07 | Lowest Observed Tide |
| Min Tide Date & Time | 01/19/1977 06:00 | Lowest Observed Tide Date & Time |
| HAT | 2.01 | Highest Astronomical Tide |
| HAT Date & Time | 10/12/2025 07:12 | HAT Date and Time |
| LAT | -1.06 | Lowest Astronomical Tide |
| LAT Date & Time | 01/10/2005 15:06 | LAT Date and Time |
| Tidal Datum Analysis Periods |
|---|
| 01/01/1983 - 12/31/1997 |
| 10/01/2001 - 09/30/2003 |
| 02/01/2005 - 01/31/2012 |
| 09/01/2013 - 08/31/2018 |