Datum | Value | Description |
---|---|---|
MHHW | 1.12 | Mean Higher-High Water |
MHW | 1.08 | Mean High Water |
MTL | 0.57 | Mean Tide Level |
MSL | 0.61 | Mean Sea Level |
DTL | 0.56 | Mean Diurnal Tide Level |
MLW | 0.06 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -4.27 | Station Datum |
GT | 1.12 | Great Diurnal Range |
MN | 1.02 | Mean Range of Tide |
DHQ | 0.04 | Mean Diurnal High Water Inequality |
DLQ | 0.06 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | Greenwich Low Water Interval (in hours) | |
Max Tide | 11.82 | Highest Observed Tide |
Max Tide Date & Time | 09/13/2008 06:24 | Highest Observed Tide Date & Time |
Min Tide | -3.92 | Lowest Observed Tide |
Min Tide Date & Time | 12/29/1997 19:48 | Lowest Observed Tide Date & Time |
HAT | 1.78 | Highest Astronomical Tide |
HAT Date & Time | 10/12/2025 10:00 | HAT Date and Time |
LAT | -1.05 | Lowest Astronomical Tide |
LAT Date & Time | 01/21/2023 18:30 | LAT Date and Time |
Tidal Datum Analysis Periods |
---|
09/01/1994 - 08/31/2008 |
02/01/2010 - 01/31/2014 |
01/01/2015 - 12/31/2018 |