Datums for 9453443, Moraine Bay


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9453443, Moraine Bay
Status: Superseded (Apr 17 2003) (Accepted Mar 10 2003)
Units: Feet
Control Station: 9453220 Yakutat, Yakutat Bay, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW9.72Mean Higher-High Water
MHW8.90Mean High Water
MTL5.13Mean Tide Level
MSL5.13Mean Sea Level
DTL4.86Mean Diurnal Tide Level
MLW1.35Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.96Station Datum
GT9.71Great Diurnal Range
MN7.56Mean Range of Tide
DHQ0.81Mean Diurnal High Water Inequality
DLQ1.34Mean Diurnal Low Water Inequality
HWI9.90Greenwich High Water Interval (in hours)
LWI3.54Greenwich 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
HAT12.73Highest Astronomical Tide
HAT Date & Time12/05/2025 21:24HAT Date and Time
LAT-3.29Lowest Astronomical Tide
LAT Date & Time05/27/2021 16:36LAT Date and Time
Tidal Datum Analysis Periods
06/01/2002 - 06/30/2002




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