Datums for 8414721, Fort Point ME


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8414721, Fort Point, ME
Status: Superseded (Apr 17 2003) (Accepted Aug 11 1999)
Units: Feet
Control Station: 8418150 Portland, ME
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW11.19Mean Higher-High Water
MHW10.78Mean High Water
MTL5.58Mean Tide Level
MSL5.64Mean Sea Level
DTL5.59Mean Diurnal Tide Level
MLW0.37Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-19.00Station Datum
GT11.19Great Diurnal Range
MN10.41Mean Range of Tide
DHQ0.40Mean Diurnal High Water Inequality
DLQ0.37Mean Diurnal Low Water Inequality
HWI3.43Greenwich High Water Interval (in hours)
LWI9.59Greenwich 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
HAT13.59Highest Astronomical Tide
HAT Date & Time11/16/2016 16:36HAT Date and Time
LAT-2.30Lowest Astronomical Tide
LAT Date & Time11/27/2034 22:42LAT Date and Time
Tidal Datum Analysis Periods
05/01/1999 - 07/31/1999




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