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Datums for 9455869, North Foreland AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9455869, North Foreland, AK
Status: Accepted (Aug 2 2018)
Units: Feet
Control Station: 9455760 Nikiski, AK
T.M.: 135
Epoch: 2012-2016
Datum: MLLW
DatumValueDescription
MHHW20.95Mean Higher-High Water
MHW20.27Mean High Water
MTL11.21Mean Tide Level
MSL11.50Mean Sea Level
DTL10.47Mean Diurnal Tide Level
MLW2.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-9.51Station Datum
GT20.95Great Diurnal Range
MN18.11Mean Range of Tide
DHQ0.69Mean Diurnal High Water Inequality
DLQ2.16Mean Diurnal Low Water Inequality
HWI2.56Greenwich High Water Interval (in hours)
LWI8.91Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
06/01/1999 - 08/31/1999




Products available at 9455869 North Foreland, AK

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services