Datum | Value | Description |
---|---|---|
MHHW | 3.23 | Mean Higher-High Water |
MHW | 3.00 | Mean High Water |
MTL | 1.79 | Mean Tide Level |
MSL | 1.75 | Mean Sea Level |
DTL | 1.61 | Mean Diurnal Tide Level |
MLW | 0.58 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | 1.69 | North American Vertical Datum of 1988 |
STND | -1.66 | Station Datum |
GT | 3.22 | Great Diurnal Range |
MN | 2.42 | Mean Range of Tide |
DHQ | 0.22 | Mean Diurnal High Water Inequality |
DLQ | 0.58 | Mean Diurnal Low Water Inequality |
HWI | 7.46 | Greenwich High Water Interval (in hours) |
LWI | 1.48 | 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 | 3.82 | Highest Astronomical Tide |
HAT Date & Time | 12/06/2025 07:30 | HAT Date and Time |
LAT | -1.07 | Lowest Astronomical Tide |
LAT Date & Time | 12/05/2025 14:06 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/2023 - 04/30/2023 |