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Datums for 9462948, NEUMANS COVE AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9462948, NEUMANS COVE, AK
Status: Accepted (Dec 12 2014)
Units: Feet
Control Station: 9462620 Unalaska, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.30Mean Higher-High Water
MHW4.05Mean High Water
MTL2.61Mean Tide Level
MSL2.58Mean Sea Level
DTL2.15Mean Diurnal Tide Level
MLW1.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-0.30Station Datum
GT4.30Great Diurnal Range
MN2.88Mean Range of Tide
DHQ0.25Mean Diurnal High Water Inequality
DLQ1.16Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
HAT5.91Highest Astronomical Tide
HAT Date & Time12/30/1986 23:12HAT Date and Time
LAT-2.25Lowest Astronomical Tide
LAT Date & Time07/10/1987 19:36LAT Date and Time
Tidal Datum Analysis Periods
06/01/2014 - 08/31/2014




Products available at 9462948 NEUMANS COVE, AK

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