Datum | Value | Description |
---|---|---|
MHHW | 0.90 | Mean Higher-High Water |
MHW | 0.90 | Mean High Water |
MTL | 0.45 | Mean Tide Level |
MSL | 0.46 | Mean Sea Level |
DTL | 0.45 | Mean Diurnal Tide Level |
MLW | 0.01 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -3.25 | Station Datum |
GT | 0.90 | Great Diurnal Range |
MN | 0.89 | Mean Range of Tide |
DHQ | 0.01 | Mean Diurnal High Water Inequality |
DLQ | 0.01 | Mean Diurnal Low Water Inequality |
HWI | Greenwich High Water Interval (in hours) | |
LWI | 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 | 1.53 | Highest Astronomical Tide |
HAT Date & Time | 10/12/2025 08:00 | HAT Date and Time |
LAT | -0.81 | Lowest Astronomical Tide |
LAT Date & Time | 01/21/2023 16:30 | LAT Date and Time |
Tidal Datum Analysis Periods |
---|
11/01/1986 - 09/30/1987 |