Datum | Value | Description |
---|---|---|
MHHW | 9.94 | Mean Higher-High Water |
MHW | 9.16 | Mean High Water |
MTL | 5.31 | Mean Tide Level |
MSL | 5.29 | Mean Sea Level |
DTL | 4.97 | Mean Diurnal Tide Level |
MLW | 1.46 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -4.52 | Station Datum |
GT | 9.94 | Great Diurnal Range |
MN | 7.70 | Mean Range of Tide |
DHQ | 0.78 | Mean Diurnal High Water Inequality |
DLQ | 1.46 | Mean Diurnal Low Water Inequality |
HWI | 9.52 | Greenwich High Water Interval (in hours) |
LWI | 3.25 | Greenwich Low Water Interval (in hours) |
Max Tide | 14.88 | Highest Observed Tide |
Max Tide Date & Time | 11/02/1948 22:48 | Highest Observed Tide Date & Time |
Min Tide | -4.10 | Lowest Observed Tide |
Min Tide Date & Time | 12/14/2008 04:24 | Lowest Observed Tide Date & Time |
HAT | 12.81 | Highest Astronomical Tide |
HAT Date & Time | 12/16/2039 21:30 | HAT Date and Time |
LAT | -3.29 | Lowest Astronomical Tide |
LAT Date & Time | 06/16/2026 16:36 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |