Datum | Value | Description |
---|---|---|
MHHW | 2.44 | Mean Higher-High Water |
MHW | 2.08 | Mean High Water |
MTL | 1.17 | Mean Tide Level |
MSL | 1.21 | Mean Sea Level |
DTL | 1.22 | Mean Diurnal Tide Level |
MLW | 0.25 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -6.08 | Station Datum |
GT | 2.44 | Great Diurnal Range |
MN | 1.83 | Mean Range of Tide |
DHQ | 0.36 | Mean Diurnal High Water Inequality |
DLQ | 0.25 | Mean Diurnal Low Water Inequality |
HWI | 2.49 | Greenwich High Water Interval (in hours) |
LWI | 9.25 | Greenwich Low Water Interval (in hours) |
Max Tide | 7.08 | Highest Observed Tide |
Max Tide Date & Time | 09/06/1979 07:30 | Highest Observed Tide Date & Time |
Min Tide | -3.90 | Lowest Observed Tide |
Min Tide Date & Time | 12/25/1980 18:24 | Lowest Observed Tide Date & Time |
HAT | 3.17 | Highest Astronomical Tide |
HAT Date & Time | 05/18/2026 15:18 | HAT Date and Time |
LAT | -0.54 | Lowest Astronomical Tide |
LAT Date & Time | 01/14/2032 10:12 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1979 - 12/31/1986 |