Datum | Value | Description |
---|---|---|
MHHW | 6.60 | Mean Higher-High Water |
MHW | 5.94 | Mean High Water |
MTL | 3.65 | Mean Tide Level |
MSL | 3.60 | Mean Sea Level |
DTL | 3.30 | Mean Diurnal Tide Level |
MLW | 1.36 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -25.62 | Station Datum |
GT | 6.59 | Great Diurnal Range |
MN | 4.57 | Mean Range of Tide |
DHQ | 0.66 | Mean Diurnal High Water Inequality |
DLQ | 1.36 | Mean Diurnal Low Water Inequality |
HWI | 11.59 | Greenwich High Water Interval (in hours) |
LWI | 5.18 | 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 | 8.73 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 22:48 | HAT Date and Time |
LAT | -2.68 | Lowest Astronomical Tide |
LAT Date & Time | 06/04/2008 18:06 | LAT Date and Time |
Tidal Datum Analysis Periods |
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06/01/2014 - 08/31/2014 |