Datum | Value | Description |
---|---|---|
MHHW | 5.22 | Mean Higher-High Water |
MHW | 4.51 | Mean High Water |
MTL | 2.52 | Mean Tide Level |
MSL | 2.49 | Mean Sea Level |
DTL | 2.61 | Mean Diurnal Tide Level |
MLW | 0.52 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -15.04 | Station Datum |
GT | 5.22 | Great Diurnal Range |
MN | 3.98 | Mean Range of Tide |
DHQ | 0.71 | Mean Diurnal High Water Inequality |
DLQ | 0.52 | Mean Diurnal Low Water Inequality |
HWI | 10.11 | Greenwich High Water Interval (in hours) |
LWI | 4.55 | 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 | 6.67 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 22:06 | HAT Date and Time |
LAT | -1.28 | Lowest Astronomical Tide |
LAT Date & Time | 12/06/2021 06:18 | LAT Date and Time |
Tidal Datum Analysis Periods |
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07/01/2017 - 09/30/2017 |