Datum | Value | Description |
---|---|---|
MHHW | 1.98 | Mean Higher-High Water |
MHW | 1.80 | Mean High Water |
MTL | 1.03 | Mean Tide Level |
MSL | 1.03 | Mean Sea Level |
DTL | 0.99 | Mean Diurnal Tide Level |
MLW | 0.26 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 1.28 | North American Vertical Datum of 1988 |
STND | -2.49 | Station Datum |
GT | 1.99 | Great Diurnal Range |
MN | 1.54 | Mean Range of Tide |
DHQ | 0.19 | Mean Diurnal High Water Inequality |
DLQ | 0.26 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | 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 | 2.65 | Highest Astronomical Tide |
HAT Date & Time | 12/06/2025 07:18 | HAT Date and Time |
LAT | -0.79 | Lowest Astronomical Tide |
LAT Date & Time | 12/05/2025 15:00 | LAT Date and Time |
Tidal Datum Analysis Periods |
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12/01/1978 - 03/31/1979 |