Datum | Value | Description |
---|---|---|
MHHW | 2.50 | Mean Higher-High Water |
MHW | 2.23 | Mean High Water |
MTL | 1.37 | Mean Tide Level |
MSL | 1.40 | Mean Sea Level |
DTL | 1.25 | Mean Diurnal Tide Level |
MLW | 0.52 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 1.92 | North American Vertical Datum of 1988 |
STND | 1.96 | Station Datum |
GT | 2.50 | Great Diurnal Range |
MN | 1.72 | Mean Range of Tide |
DHQ | 0.27 | Mean Diurnal High Water Inequality |
DLQ | 0.52 | Mean Diurnal Low Water Inequality |
HWI | 5.80 | Greenwich High Water Interval (in hours) |
LWI | 11.91 | Greenwich Low Water Interval (in hours) |
Max Tide | 4.06 | Highest Observed Tide |
Max Tide Date & Time | 11/06/2021 08:54 | Highest Observed Tide Date & Time |
Min Tide | -0.66 | Lowest Observed Tide |
Min Tide Date & Time | 01/30/2022 16:06 | Lowest Observed Tide Date & Time |
HAT | 3.34 | Highest Astronomical Tide |
HAT Date & Time | 08/30/2023 16:48 | HAT Date and Time |
LAT | -1.21 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 12:00 | LAT Date and Time |
Tidal Datum Analysis Periods |
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07/01/2021 - 01/31/2022 |