Datum | Value | Description |
---|---|---|
MHHW | 7.76 | Mean Higher-High Water |
MHW | 7.11 | Mean High Water |
MTL | 4.70 | Mean Tide Level |
MSL | 4.55 | Mean Sea Level |
DTL | 3.88 | Mean Diurnal Tide Level |
MLW | 2.29 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -3.85 | Station Datum |
GT | 7.76 | Great Diurnal Range |
MN | 4.82 | Mean Range of Tide |
DHQ | 0.65 | Mean Diurnal High Water Inequality |
DLQ | 2.29 | Mean Diurnal Low Water Inequality |
HWI | 0.46 | Greenwich High Water Interval (in hours) |
LWI | 6.51 | Greenwich Low Water Interval (in hours) |
Max Tide | 11.15 | Highest Observed Tide |
Max Tide Date & Time | 12/16/1982 07:00 | Highest Observed Tide Date & Time |
Min Tide | -4.15 | Lowest Observed Tide |
Min Tide Date & Time | 01/07/1947 22:54 | Lowest Observed Tide Date & Time |
HAT | 9.38 | Highest Astronomical Tide |
HAT Date & Time | 12/16/2024 15:24 | HAT Date and Time |
LAT | -3.68 | Lowest Astronomical Tide |
LAT Date & Time | 06/15/2026 18:30 | LAT Date and Time |
Tidal Datum Analysis Periods |
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01/01/1983 - 12/31/2001 |