Datum | Value | Description |
---|---|---|
MHHW | 7.06 | Mean Higher-High Water |
MHW | 6.51 | Mean High Water |
MTL | 4.21 | Mean Tide Level |
MSL | 4.24 | Mean Sea Level |
DTL | 3.53 | Mean Diurnal Tide Level |
MLW | 1.92 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.42 | North American Vertical Datum of 1988 |
STND | -30.32 | Station Datum |
GT | 7.06 | Great Diurnal Range |
MN | 4.60 | Mean Range of Tide |
DHQ | 0.55 | Mean Diurnal High Water Inequality |
DLQ | 1.92 | Mean Diurnal Low Water Inequality |
HWI | 10.56 | Greenwich High Water Interval (in hours) |
LWI | 4.43 | Greenwich Low Water Interval (in hours) |
Max Tide | 10.51 | Highest Observed Tide |
Max Tide Date & Time | 01/02/2003 19:54 | Highest Observed Tide Date & Time |
Min Tide | -4.57 | Lowest Observed Tide |
Min Tide Date & Time | 05/06/2008 20:48 | Lowest Observed Tide Date & Time |
HAT | 9.16 | Highest Astronomical Tide |
HAT Date & Time | 12/23/2026 20:00 | HAT Date and Time |
LAT | -3.66 | Lowest Astronomical Tide |
LAT Date & Time | 06/15/2026 16:48 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |