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Datums for 8555889, Brandywine Shoal Light DE


Elevations on Station Datum

Station: 8555889, Brandywine Shoal Light, DE
Status: Accepted (Apr 5 2013)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW24.49Mean Higher-High Water
MHW24.05Mean High Water
MTL21.60Mean Tide Level
MSL21.60Mean Sea Level
DTL21.74Mean Diurnal Tide Level
MLW19.15Mean Low Water
MLLW18.99Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT5.50Great Diurnal Range
MN4.90Mean Range of Tide
DHQ0.44Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI1.32Greenwich High Water Interval (in hours)
LWI7.42Greenwich Low Water Interval (in hours)
Maximum27.65Highest Observed Water Level
Max Date & Time08/27/2011 23:54Highest Observed Water Level Date and Time
Minimum16.65Lowest Observed Water Level
Min Date & Time03/09/2005 19:30Lowest Observed Water Level Date and Time
HAT25.97Highest Astronomical Tide
HAT Date & Time05/26/1994 02:06HAT Date and Time
LAT17.68Lowest Astronomical Tide
LAT Date & Time02/09/1997 21:12LAT Date and Time
Tidal Datum Analysis Periods
08/01/2002 - 07/31/2011




Products available at 8555889 Brandywine Shoal Light, DE

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services