Datums for 9431647, Port Orford OR

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9431647, Port Orford, OR
Status: Accepted (Feb 8 2021)
Units: Feet
Control Station: 9419750 Crescent City, CA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
MHHW7.28Mean Higher-High Water
MHW6.57Mean High Water
MTL3.97Mean Tide Level
MSL3.93Mean Sea Level
DTL3.64Mean Diurnal Tide Level
MLW1.36Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.41North American Vertical Datum of 1988
STND-23.11Station Datum
GT7.28Great Diurnal Range
MN5.22Mean Range of Tide
DHQ0.70Mean Diurnal High Water Inequality
DLQ1.36Mean Diurnal Low Water Inequality
HWI7.58Greenwich High Water Interval (in hours)
LWI1.26Greenwich Low Water Interval (in hours)
Max Tide11.43Highest Observed Tide
Max Tide Date & Time02/17/1978 19:06Highest Observed Tide Date & Time
Min Tide-3.27Lowest Observed Tide
Min Tide Date & Time01/12/2009 02:18Lowest Observed Tide Date & Time
HAT9.33Highest Astronomical Tide
HAT Date & Time12/05/2025 18:54HAT Date and Time
LAT-2.70Lowest Astronomical Tide
LAT Date & Time06/16/2026 14:42LAT Date and Time
Tidal Datum Analysis Periods
01/01/1982 - 12/31/1998
01/01/2003 - 12/31/2017

Products available at 9431647 Port Orford, OR