Datum | Value | Description |
---|---|---|
MHHW | 1.55 | Mean Higher-High Water |
MHW | 1.45 | Mean High Water |
MTL | 0.78 | Mean Tide Level |
MSL | 0.76 | Mean Sea Level |
DTL | 0.78 | Mean Diurnal Tide Level |
MLW | 0.09 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -21.63 | Station Datum |
GT | 1.54 | Great Diurnal Range |
MN | 1.37 | Mean Range of Tide |
DHQ | 0.09 | Mean Diurnal High Water Inequality |
DLQ | 0.09 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | Greenwich Low Water Interval (in hours) | |
Max Tide | 7.67 | Highest Observed Tide |
Max Tide Date & Time | 10/08/2017 06:06 | Highest Observed Tide Date & Time |
Min Tide | -1.83 | Lowest Observed Tide |
Min Tide Date & Time | 02/05/2009 10:36 | Lowest Observed Tide Date & Time |
HAT | 2.44 | Highest Astronomical Tide |
HAT Date & Time | 10/11/2025 04:54 | HAT Date and Time |
LAT | -1.28 | Lowest Astronomical Tide |
LAT Date & Time | 01/20/2023 12:18 | LAT Date and Time |
Tidal Datum Analysis Periods |
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05/01/2008 - 04/30/2017 |