Notice: On Sunday, January 26, 2025, beginning around 2:00 pm EST through Monday, January 27, 2025, IT system maintenance will be performed that may impact the https://TidesAndCurrents.noaa.gov website. There may be periods of time where the website will be running with limited capabilities.
Datum | Value | Description |
---|---|---|
MHHW | 10.33 | Mean Higher-High Water |
MHW | 9.89 | Mean High Water |
MTL | 5.11 | Mean Tide Level |
MSL | 5.24 | Mean Sea Level |
DTL | 5.16 | Mean Diurnal Tide Level |
MLW | 0.33 | Mean Low Water |
MLLW | 0.00 | Mean Lower-Low Water |
NAVD88 | ||
STND | -4.03 | Station Datum |
GT | 10.34 | Great Diurnal Range |
MN | 9.56 | Mean Range of Tide |
DHQ | 0.44 | Mean Diurnal High Water Inequality |
DLQ | 0.34 | Mean Diurnal Low Water Inequality |
HWI | 3.75 | Greenwich High Water Interval (in hours) |
LWI | 9.96 | 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 | 12.49 | Highest Astronomical Tide |
HAT Date & Time | 11/16/2016 17:06 | HAT Date and Time |
LAT | -2.15 | Lowest Astronomical Tide |
LAT Date & Time | 11/27/2034 23:12 | LAT Date and Time |
Tidal Datum Analysis Periods |
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09/01/1994 - 09/30/1994 |