Datum | Value | Description |
---|---|---|
MHHW | 0.47 | Mean Higher-High Water |
MHW | 0.47 | Mean High Water |
MTL | 0.24 | Mean Tide Level |
MSL | 0.27 | Mean Sea Level |
DTL | 0.23 | Mean Diurnal Tide Level |
MLW | 0.01 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | -0.55 | North American Vertical Datum of 1988 |
STND | -30.85 | Station Datum |
GT | 0.47 | Great Diurnal Range |
MN | 0.46 | Mean Range of Tide |
DHQ | 0.00 | 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 | 3.90 | Highest Observed Tide |
Max Tide Date & Time | 09/22/2020 04:30 | Highest Observed Tide Date & Time |
Min Tide | -1.24 | Lowest Observed Tide |
Min Tide Date & Time | 01/16/2022 22:48 | Lowest Observed Tide Date & Time |
HAT | 1.12 | Highest Astronomical Tide |
HAT Date & Time | 10/12/2025 09:18 | HAT Date and Time |
LAT | -0.71 | Lowest Astronomical Tide |
LAT Date & Time | 01/18/2026 17:30 | LAT Date and Time |
Tidal Datum Analysis Periods |
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10/01/2016 - 09/30/2019 |