Datum | Value | Description |
---|---|---|
MHHW | 3.16 | Mean Higher-High Water |
MHW | 2.78 | Mean High Water |
MTL | 1.62 | Mean Tide Level |
MSL | 1.58 | Mean Sea Level |
DTL | 1.58 | Mean Diurnal Tide Level |
MLW | 0.45 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 1.84 | North American Vertical Datum of 1988 |
STND | -1.63 | Station Datum |
GT | 3.16 | Great Diurnal Range |
MN | 2.33 | Mean Range of Tide |
DHQ | 0.38 | Mean Diurnal High Water Inequality |
DLQ | 0.45 | Mean Diurnal Low Water Inequality |
HWI | 6.47 | Greenwich High Water Interval (in hours) |
LWI | 1.04 | 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 | 4.10 | Highest Astronomical Tide |
HAT Date & Time | 10/10/2025 08:06 | HAT Date and Time |
LAT | -1.17 | Lowest Astronomical Tide |
LAT Date & Time | 12/16/2039 14:00 | LAT Date and Time |
Tidal Datum Analysis Periods |
---|
12/01/1978 - 03/31/1979 |