Datum | Value | Description |
---|---|---|
MHHW | 5.51 | Mean Higher-High Water |
MHW | 4.79 | Mean High Water |
MTL | 2.94 | Mean Tide Level |
MSL | 2.95 | Mean Sea Level |
DTL | 2.75 | Mean Diurnal Tide Level |
MLW | 1.08 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | -0.14 | North American Vertical Datum of 1988 |
STND | -8.44 | Station Datum |
GT | 5.51 | Great Diurnal Range |
MN | 3.71 | Mean Range of Tide |
DHQ | 0.72 | Mean Diurnal High Water Inequality |
DLQ | 1.08 | Mean Diurnal Low Water Inequality |
HWI | 6.86 | Greenwich High Water Interval (in hours) |
LWI | 12.35 | 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 | 7.26 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 18:12 | HAT Date and Time |
LAT | -1.79 | Lowest Astronomical Tide |
LAT Date & Time | 06/04/2008 13:18 | LAT Date and Time |
Tidal Datum Analysis Periods |
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06/01/2008 - 09/30/2008 |