Datum | Value | Description |
---|---|---|
MHHW | 1.56 | Mean Higher-High Water |
MHW | 1.33 | Mean High Water |
MTL | 0.86 | Mean Tide Level |
MSL | 0.87 | Mean Sea Level |
DTL | 0.78 | Mean Diurnal Tide Level |
MLW | 0.39 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -1.82 | Station Datum |
GT | 1.56 | Great Diurnal Range |
MN | 0.93 | Mean Range of Tide |
DHQ | 0.23 | Mean Diurnal High Water Inequality |
DLQ | 0.39 | Mean Diurnal Low Water Inequality |
HWI | 6.19 | Greenwich High Water Interval (in hours) |
LWI | 11.30 | 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 | 2.35 | Highest Astronomical Tide |
HAT Date & Time | 11/07/2025 04:42 | HAT Date and Time |
LAT | -0.87 | Lowest Astronomical Tide |
LAT Date & Time | 01/21/2023 11:54 | LAT Date and Time |
Tidal Datum Analysis Periods |
---|
10/01/1977 - 05/31/1978 |