Datum | Value | Description |
---|---|---|
MHHW | 5.72 | Mean Higher-High Water |
MHW | 4.99 | Mean High Water |
MTL | 2.96 | Mean Tide Level |
MSL | 2.94 | Mean Sea Level |
DTL | 2.86 | Mean Diurnal Tide Level |
MLW | 0.94 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.43 | North American Vertical Datum of 1988 |
STND | -3.79 | Station Datum |
GT | 5.72 | Great Diurnal Range |
MN | 4.05 | Mean Range of Tide |
DHQ | 0.74 | Mean Diurnal High Water Inequality |
DLQ | 0.94 | Mean Diurnal Low Water Inequality |
HWI | 5.01 | Greenwich High Water Interval (in hours) |
LWI | 11.13 | Greenwich Low Water Interval (in hours) |
Max Tide | 8.24 | Highest Observed Tide |
Max Tide Date & Time | 11/25/2015 15:48 | Highest Observed Tide Date & Time |
Min Tide | -3.09 | Lowest Observed Tide |
Min Tide Date & Time | 12/17/1937 16:06 | Lowest Observed Tide Date & Time |
HAT | 7.62 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 16:24 | HAT Date and Time |
LAT | -2.06 | Lowest Astronomical Tide |
LAT Date & Time | 01/21/2023 23:24 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |