Datum | Value | Description |
---|---|---|
MHHW | 6.35 | Mean Higher-High Water |
MHW | 4.97 | Mean High Water |
MTL | 2.77 | Mean Tide Level |
MSL | 2.81 | Mean Sea Level |
DTL | 3.18 | Mean Diurnal Tide Level |
MLW | 0.57 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -20.36 | Station Datum |
GT | 6.35 | Great Diurnal Range |
MN | 4.40 | Mean Range of Tide |
DHQ | 1.38 | Mean Diurnal High Water Inequality |
DLQ | 0.57 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | Greenwich Low Water Interval (in hours) | |
Max Tide | Highest Observed Tide | |
Max Tide Date & Time | Highest Observed Tide Date & Time | |
Min Tide | Lowest Observed Tide | |
Min Tide Date & Time | Lowest Observed Tide Date & Time | |
HAT | 8.99 | Highest Astronomical Tide |
HAT Date & Time | 12/07/2025 05:18 | HAT Date and Time |
LAT | -1.37 | Lowest Astronomical Tide |
LAT Date & Time | 12/23/2007 18:30 | LAT Date and Time |
Tidal Datum Analysis Periods |
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08/01/2019 - 08/31/2019 |