Datum | Value | Description |
---|---|---|
MHHW | 1.84 | Mean Higher-High Water |
MHW | 1.72 | Mean High Water |
MTL | 0.92 | Mean Tide Level |
MSL | 0.93 | Mean Sea Level |
DTL | 0.92 | Mean Diurnal Tide Level |
MLW | 0.12 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -1.48 | Station Datum |
GT | 1.84 | Great Diurnal Range |
MN | 1.60 | Mean Range of Tide |
DHQ | 0.12 | Mean Diurnal High Water Inequality |
DLQ | 0.12 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | Greenwich Low Water Interval (in hours) | |
Max Tide | 5.97 | Highest Observed Tide |
Max Tide Date & Time | 07/11/1979 06:00 | Highest Observed Tide Date & Time |
Min Tide | -2.71 | Lowest Observed Tide |
Min Tide Date & Time | 03/02/1980 16:42 | Lowest Observed Tide Date & Time |
HAT | 2.60 | Highest Astronomical Tide |
HAT Date & Time | 10/11/2025 05:54 | HAT Date and Time |
LAT | -1.20 | Lowest Astronomical Tide |
LAT Date & Time | 01/10/2005 14:06 | LAT Date and Time |
Tidal Datum Analysis Periods |
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10/01/1979 - 09/30/1980 |