Datum | Value | Description |
---|---|---|
MHHW | 20.64 | Mean Higher-High Water |
MHW | 18.89 | Mean High Water |
MTL | 10.61 | Mean Tide Level |
MSL | 10.84 | Mean Sea Level |
DTL | 10.33 | Mean Diurnal Tide Level |
MLW | 2.32 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -40.74 | Station Datum |
GT | 20.64 | Great Diurnal Range |
MN | 16.58 | Mean Range of Tide |
DHQ | 1.75 | Mean Diurnal High Water Inequality |
DLQ | 2.31 | Mean Diurnal Low Water Inequality |
HWI | 0.00 | Greenwich High Water Interval (in hours) |
LWI | 7.16 | 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 | 24.36 | Highest Astronomical Tide |
HAT Date & Time | 12/08/2021 03:30 | HAT Date and Time |
LAT | -3.22 | Lowest Astronomical Tide |
LAT Date & Time | 12/06/2025 19:24 | LAT Date and Time |
Tidal Datum Analysis Periods |
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06/01/2012 - 07/31/2012 |