Datums for 9450192, HIDDEN INLET ENTRANCE, PEARSE INLET AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9450192, HIDDEN INLET ENTRANCE, PEARSE INLET, AK
Status: Accepted (Mar 23 2026)
Units: Feet
Control Station: 9450460 Ketchikan, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW15.86Mean Higher-High Water
MHW14.97Mean High Water
MTL8.28Mean Tide Level
MSL8.28Mean Sea Level
DTL7.93Mean Diurnal Tide Level
MLW1.59Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-17.03Station Datum
GT15.85Great Diurnal Range
MN13.38Mean Range of Tide
DHQ0.89Mean Diurnal High Water Inequality
DLQ1.59Mean Diurnal Low Water Inequality
HWI9.37Greenwich High Water Interval (in hours)
LWI3.10Greenwich 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
06/01/2025 - 08/31/2025




Products available at 9450192 HIDDEN INLET ENTRANCE, PEARSE INLET, AK