Datum | Value | Description |
---|---|---|
MHHW | 1.86 | Mean Higher-High Water |
MHW | 1.40 | Mean High Water |
MTL | 0.81 | Mean Tide Level |
MSL | 0.85 | Mean Sea Level |
DTL | 0.93 | Mean Diurnal Tide Level |
MLW | 0.22 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
Ortho | ||
STND | -2.18 | Station Datum |
GT | 1.86 | Great Diurnal Range |
MN | 1.18 | Mean Range of Tide |
DHQ | 0.46 | Mean Diurnal High Water Inequality |
DLQ | 0.22 | Mean Diurnal Low Water Inequality |
HWI | 1.67 | Greenwich High Water Interval (in hours) |
LWI | 7.96 | Greenwich Low Water Interval (in hours) |
Max Tide | 5.09 | Highest Observed Tide |
Max Tide Date & Time | 09/11/1992 15:30 | Highest Observed Tide Date & Time |
Min Tide | -0.98 | Lowest Observed Tide |
Min Tide Date & Time | 05/24/1967 00:00 | Lowest Observed Tide Date & Time |
HAT | 2.65 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 14:18 | HAT Date and Time |
LAT | -0.50 | Lowest Astronomical Tide |
LAT Date & Time | 01/21/2023 06:06 | LAT Date and Time |
Tidal Datum Analysis Periods |
---|
01/01/1960 - 12/31/1964 |
01/01/1976 - 12/31/1980 |