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Datums for 8724979, BIG MARCO RIVER, U.S. 92 FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8724979, BIG MARCO RIVER, U.S. 92, FL
Status: Accepted (Feb 4 2004)
Units: Feet
Control Station: 8724967 MARCO ISLAND, CAXAMBAS PASS, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.35Mean Higher-High Water
MHW3.10Mean High Water
MTL1.82Mean Tide Level
MSL1.81Mean Sea Level
DTL1.68Mean Diurnal Tide Level
MLW0.54Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.43North American Vertical Datum of 1988
STND-3.28Station Datum
GT3.35Great Diurnal Range
MN2.55Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.55Mean Diurnal Low Water Inequality
HWI6.70Greenwich High Water Interval (in hours)
LWI0.72Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
03/01/1978 - 07/31/1978
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8724979 BIG MARCO RIVER, U.S. 92, FL

Revised: 08/08/2018
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Web site owner: Center for Operational Oceanographic Products and Services