Datum | Value | Description |
---|---|---|
MHHW | 1.38 | Mean Higher-High Water |
MHW | 1.22 | Mean High Water |
MTL | 0.66 | Mean Tide Level |
MSL | 0.66 | Mean Sea Level |
DTL | 0.69 | Mean Diurnal Tide Level |
MLW | 0.11 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -3.90 | Station Datum |
GT | 1.37 | Great Diurnal Range |
MN | 1.11 | Mean Range of Tide |
DHQ | 0.16 | Mean Diurnal High Water Inequality |
DLQ | 0.10 | Mean Diurnal Low Water Inequality |
HWI | 3.52 | Greenwich High Water Interval (in hours) |
LWI | 10.19 | Greenwich Low Water Interval (in hours) |
Max Tide | 2.96 | Highest Observed Tide |
Max Tide Date & Time | 11/16/1989 14:00 | Highest Observed Tide Date & Time |
Min Tide | -1.30 | Lowest Observed Tide |
Min Tide Date & Time | 02/21/1990 01:24 | Lowest Observed Tide Date & Time |
HAT | 1.55 | Highest Astronomical Tide |
HAT Date & Time | 05/27/2025 03:24 | HAT Date and Time |
LAT | -0.09 | Lowest Astronomical Tide |
LAT Date & Time | 12/14/2016 09:42 | LAT Date and Time |
Tidal Datum Analysis Periods |
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10/01/1989 - 09/30/1990 |