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Current Datum Value: 2.64

Datums for 8418268, FORE RIVER, PORTLAND ME


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8418268, FORE RIVER, PORTLAND, ME
Status: Accepted (Apr 20 2004)
Units: Feet
Control Station: 8418150 Portland, ME
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW9.96Mean Higher-High Water
MHW9.51Mean High Water
MTL4.93Mean Tide Level
MSL4.95Mean Sea Level
DTL4.98Mean Diurnal Tide Level
MLW0.35Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.64Station Datum
GT9.95Great Diurnal Range
MN9.16Mean Range of Tide
DHQ0.44Mean Diurnal High Water Inequality
DLQ0.35Mean Diurnal Low Water Inequality
HWI3.62Greenwich High Water Interval (in hours)
LWI9.79Greenwich 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
09/01/1979 - 10/31/1979




Products available at 8418268 FORE RIVER, PORTLAND, ME

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