Datums for 9451634, HERRING BAY, FREDERICK SOUND


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9451634, HERRING BAY, FREDERICK SOUND
Status: Superseded (Apr 17 2003) (Accepted Aug 20 1996)
Units: Feet
Control Station: 9450460 Ketchikan, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW13.70Mean Higher-High Water
MHW12.88Mean High Water
MTL7.16Mean Tide Level
MSL7.21Mean Sea Level
DTL6.85Mean Diurnal Tide Level
MLW1.44Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-0.43Station Datum
GT13.70Great Diurnal Range
MN11.44Mean Range of Tide
DHQ0.81Mean Diurnal High Water Inequality
DLQ1.44Mean Diurnal Low Water Inequality
HWI9.74Greenwich High Water Interval (in hours)
LWI3.45Greenwich 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
04/10/1996 - 04/30/1996




Products available at 9451634 HERRING BAY, FREDERICK SOUND,