Datum | Value | Description |
---|---|---|
MHHW | 7.72 | Mean Higher-High Water |
MHW | 7.09 | Mean High Water |
MTL | 4.14 | Mean Tide Level |
MSL | 4.11 | Mean Sea Level |
DTL | 3.86 | Mean Diurnal Tide Level |
MLW | 1.19 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -14.71 | Station Datum |
GT | 7.72 | Great Diurnal Range |
MN | 5.90 | Mean Range of Tide |
DHQ | 0.63 | Mean Diurnal High Water Inequality |
DLQ | 1.18 | Mean Diurnal Low Water Inequality |
HWI | 8.26 | Greenwich High Water Interval (in hours) |
LWI | 2.03 | Greenwich Low Water Interval (in hours) |
Max Tide | 10.71 | Highest Observed Tide |
Max Tide Date & Time | 01/27/1983 00:00 | Highest Observed Tide Date & Time |
Min Tide | -2.89 | Lowest Observed Tide |
Min Tide Date & Time | 01/19/1988 19:12 | Lowest Observed Tide Date & Time |
HAT | 9.17 | Highest Astronomical Tide |
HAT Date & Time | 12/23/2003 19:24 | HAT Date and Time |
LAT | -2.16 | Lowest Astronomical Tide |
LAT Date & Time | 06/16/2026 15:36 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1981 - 12/31/1987 |