Datum | Value | Description |
---|---|---|
MHHW | 1.48 | Mean Higher-High Water |
MHW | 1.31 | Mean High Water |
MTL | 0.80 | Mean Tide Level |
MSL | 0.80 | Mean Sea Level |
DTL | 0.74 | Mean Diurnal Tide Level |
MLW | 0.29 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -3.55 | Station Datum |
GT | 1.48 | Great Diurnal Range |
MN | 1.02 | Mean Range of Tide |
DHQ | 0.16 | Mean Diurnal High Water Inequality |
DLQ | 0.29 | Mean Diurnal Low Water Inequality |
HWI | 1.41 | Greenwich High Water Interval (in hours) |
LWI | 7.66 | Greenwich Low Water Interval (in hours) |
Max Tide | 9.97 | Highest Observed Tide |
Max Tide Date & Time | 10/19/2004 17:42 | Highest Observed Tide Date & Time |
Min Tide | -6.55 | Lowest Observed Tide |
Min Tide Date & Time | 11/11/2005 02:54 | Lowest Observed Tide Date & Time |
HAT | 2.14 | Highest Astronomical Tide |
HAT Date & Time | 07/19/2014 19:30 | HAT Date and Time |
LAT | -0.73 | Lowest Astronomical Tide |
LAT Date & Time | 05/01/2025 09:54 | LAT Date and Time |
Tidal Datum Analysis Periods |
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12/01/1997 - 11/01/1999 |