NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Datums for 9462782, Tigalda Bay, Tigalda Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9462782, Tigalda Bay, Tigalda Island, AK
Status: Accepted (Apr 6 2011)
Units: Feet
Control Station: 9462620 Unalaska, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.13Mean Higher-High Water
MHW3.02Mean High Water
MTL1.58Mean Tide Level
MSL1.62Mean Sea Level
DTL1.57Mean Diurnal Tide Level
MLW0.14Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-19.28Station Datum
GT3.13Great Diurnal Range
MN2.87Mean Range of Tide
DHQ0.12Mean Diurnal High Water Inequality
DLQ0.14Mean 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
HAT4.85Highest Astronomical Tide
HAT Date & Time12/30/1986 22:06HAT Date and Time
LAT-1.74Lowest Astronomical Tide
LAT Date & Time06/21/1986 19:00LAT Date and Time
Tidal Datum Analysis Periods
06/01/2010 - 06/30/2010




Products available at 9462782 Tigalda Bay, Tigalda Island, AK

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