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

Notice: We are experiencing a wide spread communication outage affecting the availability of water level and meteorological data for some of our stations, as well as several critical bridge clearance measurements. We are diligently working to resolve this data outage. Please direct all questions to tide.predictions@noaa.gov or call (301) 713-2815.

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
HAT11.19Highest Astronomical Tide
HAT Date & Time01/01/1987 15:30HAT Date and Time
LAT-3.89Lowest Astronomical Tide
LAT Date & Time06/22/1986 19:12LAT Date and Time
Tidal Datum Analysis Periods
05/01/1974 - 04/30/1975
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9449679 Blaine, Drayton Harbor, WA

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