Datum | Value | Description |
---|---|---|
MHHW | 0.96 | Mean Higher-High Water |
MHW | 0.93 | Mean High Water |
MTL | 0.50 | Mean Tide Level |
MSL | 0.49 | Mean Sea Level |
DTL | 0.48 | Mean Diurnal Tide Level |
MLW | 0.06 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | -0.10 | North American Vertical Datum of 1988 |
STND | -27.55 | Station Datum |
GT | 0.96 | Great Diurnal Range |
MN | 0.87 | Mean Range of Tide |
DHQ | 0.02 | Mean Diurnal High Water Inequality |
DLQ | 0.07 | 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 | 1.46 | Highest Astronomical Tide |
HAT Date & Time | 10/12/2025 10:00 | HAT Date and Time |
LAT | -0.91 | Lowest Astronomical Tide |
LAT Date & Time | 01/21/2023 18:48 | LAT Date and Time |
Tidal Datum Analysis Periods |
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12/01/2019 - 02/29/2020 |