Datum | Value | Description |
---|---|---|
MHHW | 2.14 | Mean Higher-High Water |
MHW | 1.78 | Mean High Water |
MTL | 1.07 | Mean Tide Level |
MSL | 1.07 | Mean Sea Level |
DTL | 1.07 | Mean Diurnal Tide Level |
MLW | 0.36 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
Ortho | ||
STND | -2.80 | Station Datum |
GT | 2.14 | Great Diurnal Range |
MN | 1.42 | Mean Range of Tide |
DHQ | 0.36 | Mean Diurnal High Water Inequality |
DLQ | 0.36 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | Greenwich Low Water Interval (in hours) | |
Max Tide | 3.86 | Highest Observed Tide |
Max Tide Date & Time | 12/26/2019 18:30 | Highest Observed Tide Date & Time |
Min Tide | -1.30 | Lowest Observed Tide |
Min Tide Date & Time | 06/10/1968 07:24 | Lowest Observed Tide Date & Time |
HAT | 2.94 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 13:36 | HAT Date and Time |
LAT | -0.80 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 05:36 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1958 - 12/31/1975 |