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Datums for 9468039, Northeast Cape, St. Lawrence Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9468039, Northeast Cape, St. Lawrence Island, AK
Status: Accepted (Nov 23 2011)
Units: Feet
Control Station:
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.46Mean Higher-High Water
MHW2.23Mean High Water
MTL1.22Mean Tide Level
MSL1.25Mean Sea Level
DTL1.23Mean Diurnal Tide Level
MLW0.21Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-29.12Station Datum
GT2.46Great Diurnal Range
MN2.01Mean Range of Tide
DHQ0.23Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWI9.85Greenwich High Water Interval (in hours)
LWI3.69Greenwich 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
07/01/2011 - 09/30/2011




Products available at 9468039 Northeast Cape, St. Lawrence Island, AK

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