Datums for 8774652, BAYSIDE, COPANO BAY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8774652, BAYSIDE, COPANO BAY
Status: Accepted (Jul 8 2020)
Units: Feet
Control Station: 8774770 Rockport, TX
T.M.: 0
Epoch: 2002-2006
Datum: MLLW
DatumValueDescription
MHHW0.42Mean Higher-High Water
MHW0.41Mean High Water
MTL0.21Mean Tide Level
MSL0.23Mean Sea Level
DTL0.21Mean Diurnal Tide Level
MLW0.02Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-0.57North American Vertical Datum of 1988
STND-22.27Station Datum
GT0.41Great Diurnal Range
MN0.39Mean Range of Tide
DHQ0.00Mean Diurnal High Water Inequality
DLQ0.02Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
HAT0.54Highest Astronomical Tide
HAT Date & Time12/06/2025 09:54HAT Date and Time
LAT-0.16Lowest Astronomical Tide
LAT Date & Time12/05/2025 20:36LAT Date and Time
Tidal Datum Analysis Periods
12/01/2019 - 02/29/2020




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