NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Current Datum Value: 10.24

Datums for 8577004, Long Beach MD


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8577004, Long Beach, MD
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8577330 Solomons Island, MD
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.34Mean Higher-High Water
MHW1.18Mean High Water
MTL0.67Mean Tide Level
MSL0.68Mean Sea Level
DTL0.67Mean Diurnal Tide Level
MLW0.17Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-10.24Station Datum
GT1.34Great Diurnal Range
MN1.01Mean Range of Tide
DHQ0.16Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWI7.75Greenwich High Water Interval (in hours)
LWI1.63Greenwich Low Water Interval (in hours)
Max Tide3.33Highest Observed Tide
Max Tide Date & Time02/06/1998 16:12Highest Observed Tide Date & Time
Min Tide-2.07Lowest Observed Tide
Min Tide Date & Time01/01/1998 15:06Lowest 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
11/01/1997 - 10/31/1998
05/01/1999 - 04/30/2000




Products available at 8577004 Long Beach, MD

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