Datum | Value | Description |
---|---|---|
MHHW | 9.71 | Mean Higher-High Water |
MHW | 7.16 | Mean High Water |
MTL | 3.77 | Mean Tide Level |
MSL | 3.87 | Mean Sea Level |
DTL | 4.86 | Mean Diurnal Tide Level |
MLW | 0.38 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.24 | North American Vertical Datum of 1988 |
STND | -6.57 | Station Datum |
GT | 9.71 | Great Diurnal Range |
MN | 6.78 | Mean Range of Tide |
DHQ | 2.55 | Mean Diurnal High Water Inequality |
DLQ | 0.37 | Mean Diurnal Low Water Inequality |
HWI | 6.29 | Greenwich High Water Interval (in hours) |
LWI | 1.11 | 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 | 12.45 | Highest Astronomical Tide |
HAT Date & Time | 12/07/2025 07:42 | HAT Date and Time |
LAT | -1.37 | Lowest Astronomical Tide |
LAT Date & Time | 06/12/2035 06:12 | LAT Date and Time |
Tidal Datum Analysis Periods |
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08/01/2022 - 08/31/2022 |