Datums for 8775270, PORT ARANSAS, H. CALDWELL PIER TX

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8775270, PORT ARANSAS, H. CALDWELL PIER, TX
Status: Superseded (Apr 17 2003) (Accepted Feb 4 1994)
Units: Feet
Control Station:
T.M.: 90
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW1.81Mean Higher-High Water
MHWMean High Water
MTLMean Tide Level
MSL0.98Mean Sea Level
DTL0.90Mean Diurnal Tide Level
MLWMean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.16Station Datum
GT1.81Great Diurnal Range
MNMean Range of Tide
DHQMean Diurnal High Water Inequality
DLQMean 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
HAT3.14Highest Astronomical Tide
HAT Date & Time10/28/2007 00:06HAT Date and Time
LAT-1.58Lowest Astronomical Tide
LAT Date & Time01/21/2023 14:06LAT Date and Time
Tidal Datum Analysis Periods


Products available at 8775270 PORT ARANSAS, H. CALDWELL PIER, TX
  • Meteorological/Other
  • Meteorological Observations
  • Water Temp/Conductivity
  • PORTS®
  • This station is not a member of PORTS®