Datum | Value | Description |
---|---|---|
MHHW | 3.15 | Mean Higher-High Water |
MHW | 3.07 | Mean High Water |
MTL | 1.55 | Mean Tide Level |
MSL | 1.58 | Mean Sea Level |
DTL | 1.57 | Mean Diurnal Tide Level |
MLW | 0.03 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | -2.15 | North American Vertical Datum of 1988 |
STND | -22.73 | Station Datum |
GT | 3.16 | Great Diurnal Range |
MN | 3.04 | Mean Range of Tide |
DHQ | 0.08 | Mean Diurnal High Water Inequality |
DLQ | 0.04 | 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 | 4.80 | Highest Astronomical Tide |
HAT Date & Time | 07/14/2026 20:24 | HAT Date and Time |
LAT | -1.35 | Lowest Astronomical Tide |
LAT Date & Time | 11/27/2007 21:00 | LAT Date and Time |
Tidal Datum Analysis Periods |
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07/01/2023 - 09/30/2023 |