Datum | Value | Description |
---|---|---|
MHHW | 6.66 | Mean Higher-High Water |
MHW | 6.19 | Mean High Water |
MTL | 3.59 | Mean Tide Level |
MSL | 3.73 | Mean Sea Level |
DTL | 3.33 | Mean Diurnal Tide Level |
MLW | 0.98 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.31 | North American Vertical Datum of 1988 |
STND | -1.70 | Station Datum |
GT | 6.65 | Great Diurnal Range |
MN | 5.21 | Mean Range of Tide |
DHQ | 0.46 | Mean Diurnal High Water Inequality |
DLQ | 0.98 | Mean Diurnal Low Water Inequality |
HWI | 9.58 | Greenwich High Water Interval (in hours) |
LWI | 3.65 | 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 | 8.73 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 21:00 | HAT Date and Time |
LAT | -2.11 | Lowest Astronomical Tide |
LAT Date & Time | 06/04/2008 16:18 | LAT Date and Time |
Tidal Datum Analysis Periods |
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07/01/2014 - 10/31/2014 |