Datums for 9495832, DREW POINT, SMITH BAY AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9495832, DREW POINT, SMITH BAY, AK
Status: Accepted (Apr 06 2026)
Units: Feet
Control Station: 9497645 Prudhoe Bay, AK
T.M.: 150
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.79Mean Higher-High Water
MHW0.58Mean High Water
MTL0.33Mean Tide Level
MSL0.36Mean Sea Level
DTL0.40Mean Diurnal Tide Level
MLW0.08Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-2.49North American Vertical Datum of 1988
STND-22.08Station Datum
GT0.79Great Diurnal Range
MN0.50Mean Range of Tide
DHQ0.21Mean Diurnal High Water Inequality
DLQ0.08Mean 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
08/01/2025 - 08/31/2025




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