Datums for 8768772, Gum Cove, ICWW

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8768772, Gum Cove, ICWW
Status: Accepted (Jul 9 2021)
Units: Feet
Control Station: 8770520 Rainbow Bridge, TX
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
MHHW0.91Mean Higher-High Water
MHW0.85Mean High Water
MTL0.47Mean Tide Level
MSL0.51Mean Sea Level
DTL0.45Mean Diurnal Tide Level
MLW0.10Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.41North American Vertical Datum of 1988
STND-27.46Station Datum
GT0.90Great Diurnal Range
MN0.75Mean Range of Tide
DHQ0.06Mean Diurnal High Water Inequality
DLQ0.09Mean 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
HAT1.45Highest Astronomical Tide
HAT Date & Time10/12/2025 10:00HAT Date and Time
LAT-1.00Lowest Astronomical Tide
LAT Date & Time01/21/2023 20:06LAT Date and Time
Tidal Datum Analysis Periods
12/01/2019 - 05/31/2020

Products available at 8768772 Gum Cove, ICWW,