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Datums for 1612340, Honolulu HI

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 1612340, Honolulu, HI
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
MHHW1.90Mean Higher-High Water
MHW1.44Mean High Water
MTL0.80Mean Tide Level
MSL0.82Mean Sea Level
DTL0.95Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
STND-3.81Station Datum
GT1.90Great Diurnal Range
MN1.28Mean Range of Tide
DHQ0.46Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI2.09Greenwich High Water Interval (in hours)
LWI8.34Greenwich Low Water Interval (in hours)
Max Tide3.39Highest Observed Tide
Max Tide Date & Time02/14/1967 06:54Highest Observed Tide Date & Time
Min Tide-1.41Lowest Observed Tide
Min Tide Date & Time04/30/1911 10:00Lowest Observed Tide Date & Time
HAT2.78Highest Astronomical Tide
HAT Date & Time12/02/1990 14:06HAT Date and Time
LAT-0.51Lowest Astronomical Tide
LAT Date & Time05/24/1990 18:54LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.

Products available at 1612340 Honolulu, HI

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