Datum | Value | Description |
---|---|---|
MHHW | 1.96 | Mean Higher-High Water |
MHW | 1.48 | Mean High Water |
MTL | 0.82 | Mean Tide Level |
MSL | 0.86 | Mean Sea Level |
DTL | 0.98 | Mean Diurnal Tide Level |
MLW | 0.16 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
Ortho | ||
STND | -1.98 | Station Datum |
GT | 1.97 | Great Diurnal Range |
MN | 1.33 | Mean Range of Tide |
DHQ | 0.48 | Mean Diurnal High Water Inequality |
DLQ | 0.16 | Mean Diurnal Low Water Inequality |
HWI | 2.24 | Greenwich High Water Interval (in hours) |
LWI | 8.45 | 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 | 2.76 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 14:36 | HAT Date and Time |
LAT | -0.35 | Lowest Astronomical Tide |
LAT Date & Time | 05/26/2025 18:36 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/30/1987 - 03/22/1987 |