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Datums for 8723962, Key Colony Beach FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8723962, Key Colony Beach, FL
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8724580 Key West, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.07Mean Higher-High Water
MHW1.85Mean High Water
MTL1.02Mean Tide Level
MSL1.05Mean Sea Level
DTL1.04Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.04North American Vertical Datum of 1988
STND-3.45Station Datum
GT2.07Great Diurnal Range
MN1.66Mean Range of Tide
DHQ0.22Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWI1.48Greenwich High Water Interval (in hours)
LWI7.51Greenwich Low Water Interval (in hours)
Max Tide3.23Highest Observed Tide
Max Tide Date & Time10/10/1990 00:36Highest Observed Tide Date & Time
Min Tide-1.87Lowest Observed Tide
Min Tide Date & Time04/07/1985 00:00Lowest Observed Tide Date & Time
HAT2.99Highest Astronomical Tide
HAT Date & Time10/17/1993 02:06HAT Date and Time
LAT-0.88Lowest Astronomical Tide
LAT Date & Time05/24/1986 20:24LAT Date and Time
Tidal Datum Analysis Periods
04/01/1977 - 03/31/1989
12/01/1989 - 11/30/1991
04/01/1993 - 03/31/1995
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8723962 Key Colony Beach, FL

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services