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Datums for 9462711, Surf Bay, Akutan Bay AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9462711, Surf Bay, Akutan Bay, AK
Status: Accepted (Dec 20 2011)
Units: Feet
Control Station: 9462620 Unalaska, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.76Mean Higher-High Water
MHW3.47Mean High Water
MTL2.23Mean Tide Level
MSL2.19Mean Sea Level
DTL1.88Mean Diurnal Tide Level
MLW1.00Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-56.81Station Datum
GT3.76Great Diurnal Range
MN2.47Mean Range of Tide
DHQ0.29Mean Diurnal High Water Inequality
DLQ1.00Mean 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
08/01/2011 - 08/31/2011




Products available at 9462711 Surf Bay, Akutan Bay, AK

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