Datum | Value | Description |
---|---|---|
MHHW | 1.47 | Mean Higher-High Water |
MHW | 1.42 | Mean High Water |
MTL | 0.74 | Mean Tide Level |
MSL | 0.73 | Mean Sea Level |
DTL | 0.74 | Mean Diurnal Tide Level |
MLW | 0.07 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.65 | North American Vertical Datum of 1988 |
STND | -13.48 | Station Datum |
GT | 1.47 | Great Diurnal Range |
MN | 1.35 | Mean Range of Tide |
DHQ | 0.05 | Mean Diurnal High Water Inequality |
DLQ | 0.06 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | Greenwich Low Water Interval (in hours) | |
Max Tide | 5.31 | Highest Observed Tide |
Max Tide Date & Time | 10/08/2017 07:12 | Highest Observed Tide Date & Time |
Min Tide | -1.79 | Lowest Observed Tide |
Min Tide Date & Time | 01/17/2018 16:54 | Lowest Observed Tide Date & Time |
HAT | 2.35 | Highest Astronomical Tide |
HAT Date & Time | 10/11/2025 06:54 | HAT Date and Time |
LAT | -1.18 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 16:00 | LAT Date and Time |
Tidal Datum Analysis Periods |
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08/01/2011 - 07/31/2018 |