Datum | Value | Description |
---|---|---|
MHHW | 7.24 | Mean Higher-High Water |
MHW | 6.53 | Mean High Water |
MTL | 3.93 | Mean Tide Level |
MSL | 3.88 | Mean Sea Level |
DTL | 3.62 | Mean Diurnal Tide Level |
MLW | 1.34 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -30.51 | Station Datum |
GT | 7.23 | Great Diurnal Range |
MN | 5.19 | Mean Range of Tide |
DHQ | 0.71 | Mean Diurnal High Water Inequality |
DLQ | 1.33 | Mean Diurnal Low Water Inequality |
HWI | 11.22 | Greenwich High Water Interval (in hours) |
LWI | 4.94 | Greenwich Low Water Interval (in hours) |
Max Tide | 11.86 | Highest Observed Tide |
Max Tide Date & Time | 12/23/2022 02:36 | Highest Observed Tide Date & Time |
Min Tide | -3.81 | Lowest Observed Tide |
Min Tide Date & Time | 12/13/2008 05:24 | Lowest Observed Tide Date & Time |
HAT | 9.60 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 22:36 | HAT Date and Time |
LAT | -2.91 | Lowest Astronomical Tide |
LAT Date & Time | 06/15/2022 18:06 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |