Datum | Value | Description |
---|---|---|
MHHW | 1.36 | Mean Higher-High Water |
MHW | 1.29 | Mean High Water |
MTL | 0.73 | Mean Tide Level |
MSL | 0.80 | Mean Sea Level |
DTL | 0.68 | Mean Diurnal Tide Level |
MLW | 0.18 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.90 | North American Vertical Datum of 1988 |
STND | -29.62 | Station Datum |
GT | 1.36 | Great Diurnal Range |
MN | 1.11 | Mean Range of Tide |
DHQ | 0.08 | Mean Diurnal High Water Inequality |
DLQ | 0.18 | 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 | 2.23 | Highest Astronomical Tide |
HAT Date & Time | 10/12/2025 05:48 | HAT Date and Time |
LAT | -1.00 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 15:36 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/2020 - 05/31/2020 |