Datums for 8558814, Rosedale Beach, Indian River DE

NOTICE: Data collected from 2017 and beyond are from United States Geological Survey (USGS) water level stations that are subject to NOAA's National Ocean Service (NOS) routine quality assurance procedures on a monthly basis with data available for the previous month. For access to the real-time data at this location visit USGS at: https://nwis.waterdata.usgs.gov/nwis/uv?site_no=01484540.
NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8558814, Rosedale Beach, Indian River, DE
Status: Accepted (Aug 02 2021)
Units: Feet
Control Station: 8570283 Ocean City Inlet, MD
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.33Mean Higher-High Water
MHW3.02Mean High Water
MTL1.60Mean Tide Level
MSL1.64Mean Sea Level
DTL1.67Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND1.46Station Datum
GT3.33Great Diurnal Range
MN2.84Mean Range of Tide
DHQ0.31Mean Diurnal High Water Inequality
DLQ0.18Mean Diurnal Low Water Inequality
HWI1.83Greenwich High Water Interval (in hours)
LWI8.48Greenwich Low Water Interval (in hours)
Max Tide6.26Highest Observed Tide
Max Tide Date & Time10/30/2021 00:42Highest Observed Tide Date & Time
Min Tide-1.21Lowest Observed Tide
Min Tide Date & Time03/14/2022 09:30Lowest Observed Tide Date & Time
HAT3.93Highest Astronomical Tide
HAT Date & Time10/09/2029 15:06HAT Date and Time
LAT-0.62Lowest Astronomical Tide
LAT Date & Time01/31/2014 08:36LAT Date and Time
Tidal Datum Analysis Periods
05/01/2020 - 04/30/2021


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