Datums for 9449679, Blaine, Drayton Harbor WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9449679, Blaine, Drayton Harbor, WA
Status: Accepted (Nov 20 2003)
Units: Feet
Control Station: 9449424 Cherry Point, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW9.53Mean Higher-High Water
MHW8.67Mean High Water
MTL5.67Mean Tide Level
MSL5.48Mean Sea Level
DTL4.77Mean Diurnal Tide Level
MLW2.66Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.02North American Vertical Datum of 1988
STND-1.86Station Datum
GT9.53Great Diurnal Range
MN6.01Mean Range of Tide
DHQ0.86Mean Diurnal High Water Inequality
DLQ2.66Mean Diurnal Low Water Inequality
HWI0.81Greenwich High Water Interval (in hours)
LWI7.12Greenwich Low Water Interval (in hours)
Max Tide12.33Highest Observed Tide
Max Tide Date & Time01/15/1974 00:00Highest Observed Tide Date & Time
Min Tide-3.58Lowest Observed Tide
Min Tide Date & Time12/31/1974 00:00Lowest Observed Tide Date & Time
HAT11.13Highest Astronomical Tide
HAT Date & Time01/04/2022 15:48HAT Date and Time
LAT-3.90Lowest Astronomical Tide
LAT Date & Time06/15/2026 19:06LAT Date and Time
Tidal Datum Analysis Periods
05/01/1974 - 04/30/1975




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