Datum | Value | Description |
---|---|---|
MHHW | 8.52 | Mean Higher-High Water |
MHW | 7.84 | Mean High Water |
MTL | 5.17 | Mean Tide Level |
MSL | 5.00 | Mean Sea Level |
DTL | 4.26 | Mean Diurnal Tide Level |
MLW | 2.50 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -3.36 | Station Datum |
GT | 8.52 | Great Diurnal Range |
MN | 5.34 | Mean Range of Tide |
DHQ | 0.68 | Mean Diurnal High Water Inequality |
DLQ | 2.49 | Mean Diurnal Low Water Inequality |
HWI | 12.34 | Greenwich High Water Interval (in hours) |
LWI | 5.67 | Greenwich Low Water Interval (in hours) |
Max Tide | 11.73 | Highest Observed Tide |
Max Tide Date & Time | 12/10/1993 20:06 | Highest Observed Tide Date & Time |
Min Tide | -4.22 | Lowest Observed Tide |
Min Tide Date & Time | 12/12/1985 22:06 | Lowest Observed Tide Date & Time |
HAT | 9.99 | Highest Astronomical Tide |
HAT Date & Time | 12/25/2003 15:00 | HAT Date and Time |
LAT | -3.97 | Lowest Astronomical Tide |
LAT Date & Time | 06/15/2026 17:36 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |