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Datums for 9465374, Snag Point, Dillingham AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9465374, Snag Point, Dillingham, AK
Status: Accepted (Apr 29 2013)
Units: Feet
Control Station:
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW20.64Mean Higher-High Water
MHW18.89Mean High Water
MTL10.61Mean Tide Level
MSL10.84Mean Sea Level
DTL10.33Mean Diurnal Tide Level
MLW2.32Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-40.74Station Datum
GT20.64Great Diurnal Range
MN16.58Mean Range of Tide
DHQ1.75Mean Diurnal High Water Inequality
DLQ2.31Mean Diurnal Low Water Inequality
HWI0.00Greenwich High Water Interval (in hours)
LWI7.16Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT24.24Highest Astronomical Tide
HAT Date & Time11/27/1999 03:24HAT Date and Time
LAT-3.23Lowest Astronomical Tide
LAT Date & Time12/13/1985 19:30LAT Date and Time
Tidal Datum Analysis Periods
06/01/2012 - 07/31/2012




Products available at 9465374 Snag Point, Dillingham, AK

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