Datum | Value | Description |
---|---|---|
MHHW | 2.40 | Mean Higher-High Water |
MHW | 1.97 | Mean High Water |
MTL | 1.14 | Mean Tide Level |
MSL | 1.15 | Mean Sea Level |
DTL | 1.20 | Mean Diurnal Tide Level |
MLW | 0.30 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
Ortho | ||
STND | -3.92 | Station Datum |
GT | 2.40 | Great Diurnal Range |
MN | 1.67 | Mean Range of Tide |
DHQ | 0.43 | Mean Diurnal High Water Inequality |
DLQ | 0.30 | Mean Diurnal Low Water Inequality |
HWI | 1.01 | Greenwich High Water Interval (in hours) |
LWI | 7.34 | Greenwich Low Water Interval (in hours) |
Max Tide | 4.15 | Highest Observed Tide |
Max Tide Date & Time | 01/12/2020 14:42 | Highest Observed Tide Date & Time |
Min Tide | -1.62 | Lowest Observed Tide |
Min Tide Date & Time | 06/20/1955 16:00 | Lowest Observed Tide Date & Time |
HAT | 3.31 | Highest Astronomical Tide |
HAT Date & Time | 12/05/2025 13:42 | HAT Date and Time |
LAT | -0.74 | Lowest Astronomical Tide |
LAT Date & Time | 06/03/2008 18:12 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |