Datum | Value | Description |
---|---|---|
MHHW | 11.35 | Mean Higher-High Water |
MHW | 10.49 | Mean High Water |
MTL | 6.66 | Mean Tide Level |
MSL | 6.63 | Mean Sea Level |
DTL | 5.67 | Mean Diurnal Tide Level |
MLW | 2.83 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -7.77 | Station Datum |
GT | 11.35 | Great Diurnal Range |
MN | 7.66 | Mean Range of Tide |
DHQ | 0.86 | Mean Diurnal High Water Inequality |
DLQ | 2.83 | Mean Diurnal Low Water Inequality |
HWI | 0.42 | Greenwich High Water Interval (in hours) |
LWI | 6.65 | Greenwich Low Water Interval (in hours) |
Max Tide | 15.29 | Highest Observed Tide |
Max Tide Date & Time | 12/27/2022 16:42 | Highest Observed Tide Date & Time |
Min Tide | -4.87 | Lowest Observed Tide |
Min Tide Date & Time | 01/04/1916 00:00 | Lowest Observed Tide Date & Time |
HAT | 13.23 | Highest Astronomical Tide |
HAT Date & Time | 01/04/2014 15:24 | HAT Date and Time |
LAT | -4.31 | Lowest Astronomical Tide |
LAT Date & Time | 06/15/2026 18:36 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1960 - 12/31/1978 |