Datum | Value | Description |
---|---|---|
MHHW | 5.11 | Mean Higher-High Water |
MHW | 4.21 | Mean High Water |
MTL | 2.37 | Mean Tide Level |
MSL | 2.48 | Mean Sea Level |
DTL | 2.56 | Mean Diurnal Tide Level |
MLW | 0.53 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | -1.73 | North American Vertical Datum of 1988 |
STND | -22.93 | Station Datum |
GT | 5.11 | Great Diurnal Range |
MN | 3.67 | Mean Range of Tide |
DHQ | 0.90 | Mean Diurnal High Water Inequality |
DLQ | 0.52 | Mean Diurnal Low Water Inequality |
HWI | 9.69 | Greenwich High Water Interval (in hours) |
LWI | 4.58 | 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 | 6.51 | Highest Astronomical Tide |
HAT Date & Time | 12/07/2025 11:42 | HAT Date and Time |
LAT | -0.79 | Lowest Astronomical Tide |
LAT Date & Time | 12/25/2007 03:54 | LAT Date and Time |
Tidal Datum Analysis Periods |
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07/01/2021 - 09/30/2021 |