NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Current Datum Value: 28.94

Datums for 8774230, Aransas Wildlife Refuge TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8774230, Aransas Wildlife Refuge, TX
Status: Accepted (Apr 30 2018)
Units: Feet
Control Station: 8774770 Rockport, TX
T.M.: 0
Epoch: 2002-2006
Datum: MLLW
DatumValueDescription
MHHW0.31Mean Higher-High Water
MHW0.31Mean High Water
MTL0.15Mean Tide Level
MSL0.15Mean Sea Level
DTL0.15Mean Diurnal Tide Level
MLW-0.01Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-28.94Station Datum
GT0.31Great Diurnal Range
MN0.31Mean Range of Tide
DHQ0.01Mean Diurnal High Water Inequality
DLQ0.00Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide5.15Highest Observed Tide
Max Tide Date & Time08/26/2017 02:36Highest Observed Tide Date & Time
Min Tide-1.09Lowest Observed Tide
Min Tide Date & Time02/11/2016 18:12Lowest Observed Tide Date & Time
HAT0.85Highest Astronomical Tide
HAT Date & Time10/11/1987 14:30HAT Date and Time
LAT-0.52Lowest Astronomical Tide
LAT Date & Time01/27/1986 01:12LAT Date and Time
Tidal Datum Analysis Periods
01/01/2016 - 12/31/2016




Products available at 8774230 Aransas Wildlife Refuge, TX

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