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Datums for 8416921, Wiscasset ME


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8416921, Wiscasset, ME
Status: Accepted (Jan 13 2016)
Units: Feet
Control Station: 8418150 Portland, ME
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW10.23Mean Higher-High Water
MHW9.81Mean High Water
MTL5.07Mean Tide Level
MSL5.06Mean Sea Level
DTL5.12Mean Diurnal Tide Level
MLW0.32Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-20.18Station Datum
GT10.23Great Diurnal Range
MN9.48Mean Range of Tide
DHQ0.43Mean Diurnal High Water Inequality
DLQ0.32Mean Diurnal Low Water Inequality
HWI3.80Greenwich High Water Interval (in hours)
LWI9.77Greenwich 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
HAT12.59Highest Astronomical Tide
HAT Date & Time11/05/1998 16:30HAT Date and Time
LAT-2.36Lowest Astronomical Tide
LAT Date & Time11/05/1998 22:42LAT Date and Time
Tidal Datum Analysis Periods
05/01/2015 - 08/31/2015




Products available at 8416921 Wiscasset, ME

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