Datum | Value | Description |
---|---|---|
MHHW | 5.42 | Mean Higher-High Water |
MHW | 4.72 | Mean High Water |
MTL | 2.91 | Mean Tide Level |
MSL | 2.88 | Mean Sea Level |
DTL | 2.71 | Mean Diurnal Tide Level |
MLW | 1.11 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -3.14 | Station Datum |
GT | 5.42 | Great Diurnal Range |
MN | 3.61 | Mean Range of Tide |
DHQ | 0.70 | Mean Diurnal High Water Inequality |
DLQ | 1.11 | Mean Diurnal Low Water Inequality |
HWI | 6.41 | Greenwich High Water Interval (in hours) |
LWI | 0.05 | Greenwich Low Water Interval (in hours) |
Max Tide | 8.12 | Highest Observed Tide |
Max Tide Date & Time | 01/27/1983 16:12 | Highest Observed Tide Date & Time |
Min Tide | -2.15 | Lowest Observed Tide |
Min Tide Date & Time | 01/11/2009 00:18 | Lowest Observed Tide Date & Time |
HAT | 7.12 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 17:30 | HAT Date and Time |
LAT | -1.89 | Lowest Astronomical Tide |
LAT Date & Time | 06/04/2008 13:00 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1974 - 12/31/1984 |