Datum | Value | Description |
---|---|---|
MHHW | 1.04 | Mean Higher-High Water |
MHW | 1.01 | Mean High Water |
MTL | 0.57 | Mean Tide Level |
MSL | 0.65 | Mean Sea Level |
DTL | 0.52 | Mean Diurnal Tide Level |
MLW | 0.12 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 0.15 | North American Vertical Datum of 1988 |
STND | -4.61 | Station Datum |
GT | 1.04 | Great Diurnal Range |
MN | 0.89 | Mean Range of Tide |
DHQ | 0.03 | Mean Diurnal High Water Inequality |
DLQ | 0.12 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | Greenwich Low Water Interval (in hours) | |
Max Tide | 6.23 | Highest Observed Tide |
Max Tide Date & Time | 08/26/2017 02:18 | Highest Observed Tide Date & Time |
Min Tide | -1.34 | Lowest Observed Tide |
Min Tide Date & Time | 01/01/2003 13:42 | Lowest Observed Tide Date & Time |
HAT | 1.80 | Highest Astronomical Tide |
HAT Date & Time | 10/12/2025 05:54 | HAT Date and Time |
LAT | -1.00 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 14:36 | LAT Date and Time |
Tidal Datum Analysis Periods |
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09/01/2016 - 08/31/2019 |