057_Honolulu, Hawaii_United States of America (the)
DatumValueDescription
Status14-Nov-2022Processing Date
Epoch01-Jan-1983 to 31-Dec-2001Tidal Datum Analysis Period
MHHW5.65Mean Higher-High Water (ft)
MHW5.18Mean High Water (ft)
MTL4.60Mean Tide Level (ft)
MSL4.63Mean Sea Level (ft)
DTL4.74Mean Diurnal Tide Level (ft)
MLW4.01Mean Low Water (ft)
MLLW3.83Mean Lower-Low Water (ft)
STND0.00Station Datum (ft)
GT1.82Great Diurnal Range (ft)
MN1.18Mean Range of Tide (ft)
DHQ0.47Mean Diurnal High Water Inequality (ft)
DLQ0.17Mean Diurnal Low Water Inequality (ft)
HWIUnavailableGreenwich High Water Interval (in hours)
LWIUnavailableGreenwich Low Water Interval (in hours)
Maximum7.15Highest Observed Water Level (ft)
Max Date & Time15-Dec-2020 15Highest Observed Water Level Date and Hour (LST)
Minimum1.50Lowest Observed Water Level (ft)
Min Date & Time23-May-1960 16Lowest Observed Water Level Date and Hour (LST)
HAT6.50Highest Astronomical Tide (ft)
HAT Date & Time02-Dec-1990 13HAT Date and Hour (LST)
LAT3.36Lowest Astronomical Tide (ft)
LAT Date & Time23-May-1986 19LAT Date and Hour (LST)
LEVUnavailableSwitch 1 (ft)
LEVBUnavailableSwitch 2 (ft)