Datum | Value | Description |
---|---|---|
MHHW | 5.52 | Mean Higher-High Water |
MHW | 4.77 | Mean High Water |
MTL | 2.86 | Mean Tide Level |
MSL | 2.84 | Mean Sea Level |
DTL | 2.76 | Mean Diurnal Tide Level |
MLW | 0.95 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -3.69 | Station Datum |
GT | 5.52 | Great Diurnal Range |
MN | 3.82 | Mean Range of Tide |
DHQ | 0.75 | Mean Diurnal High Water Inequality |
DLQ | 0.95 | Mean Diurnal Low Water Inequality |
HWI | 5.16 | Greenwich High Water Interval (in hours) |
LWI | 11.17 | Greenwich Low Water Interval (in hours) |
Max Tide | 8.06 | Highest Observed Tide |
Max Tide Date & Time | 01/10/2005 16:12 | Highest Observed Tide Date & Time |
Min Tide | -2.59 | Lowest Observed Tide |
Min Tide Date & Time | 12/17/1933 08:00 | Lowest Observed Tide Date & Time |
HAT | 7.36 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 16:24 | HAT Date and Time |
LAT | -2.01 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 23:42 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1960 - 12/31/1978 |