Datum | Value | Description |
---|---|---|
MHHW | 3.22 | Mean Higher-High Water |
MHW | 2.36 | Mean High Water |
MTL | 1.27 | Mean Tide Level |
MSL | 1.17 | Mean Sea Level |
DTL | 1.61 | Mean Diurnal Tide Level |
MLW | 0.18 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | -3.05 | North American Vertical Datum of 1988 |
STND | -27.86 | Station Datum |
GT | 3.22 | Great Diurnal Range |
MN | 2.18 | Mean Range of Tide |
DHQ | 0.87 | Mean Diurnal High Water Inequality |
DLQ | 0.17 | 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 | 4.90 | Highest Astronomical Tide |
HAT Date & Time | 07/14/2022 18:06 | HAT Date and Time |
LAT | -1.40 | Lowest Astronomical Tide |
LAT Date & Time | 11/09/2025 17:00 | LAT Date and Time |
Tidal Datum Analysis Periods |
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08/01/2020 - 09/30/2020 |