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Datums for 9751639, Charlotte Amalie VI


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9751639, Charlotte Amalie, VI
Status: Accepted (Sep 7 2017)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.79Mean Higher-High Water
MHW0.75Mean High Water
MTL0.40Mean Tide Level
MSL0.38Mean Sea Level
DTL0.40Mean Diurnal Tide Level
MLW0.05Mean Low Water
MLLW0.00Mean Lower-Low Water
VIVD090.38Virgin Islands Vertical Datum of 2009
STND-5.25Station Datum
GT0.79Great Diurnal Range
MN0.70Mean Range of Tide
DHQ0.04Mean Diurnal High Water Inequality
DLQ0.05Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide3.72Highest Observed Tide
Max Tide Date & Time09/16/1995 05:00Highest Observed Tide Date & Time
Min Tide-1.47Lowest Observed Tide
Min Tide Date & Time02/06/1985 02:00Lowest Observed Tide Date & Time
HAT1.20Highest Astronomical Tide
HAT Date & Time10/17/1989 15:36HAT Date and Time
LAT-0.50Lowest Astronomical Tide
LAT Date & Time01/28/1987 04:06LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001




Products available at 9751639 Charlotte Amalie, VI

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services