Datums for 8410864, Gravelly Point, Whiting Bay ME


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8410864, Gravelly Point, Whiting Bay, ME
Status: Accepted (Nov 18 2010)
Units: Feet
Control Station: 8410140 Eastport, ME
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW18.70Mean Higher-High Water
MHW18.22Mean High Water
MTL9.27Mean Tide Level
MSL9.27Mean Sea Level
DTL9.35Mean Diurnal Tide Level
MLW0.32Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-8.64Station Datum
GT18.71Great Diurnal Range
MN17.90Mean Range of Tide
DHQ0.48Mean Diurnal High Water Inequality
DLQ0.32Mean Diurnal Low Water Inequality
HWI4.41Greenwich High Water Interval (in hours)
LWI10.98Greenwich 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
HAT21.06Highest Astronomical Tide
HAT Date & Time11/15/2016 17:00HAT Date and Time
LAT-2.17Lowest Astronomical Tide
LAT Date & Time02/21/2015 00:30LAT Date and Time
Tidal Datum Analysis Periods
05/01/2010 - 10/31/2010




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