USGS Water-Year Summary 2021
01311145 EAST ROCKAWAY INLET AT ATLANTIC BEACH, NY
LOCATION - Lat 40°35'35", long 73°44'16" referenced to North American Datum of 1927, Nassau County, NY, Hydrologic Unit 02030202, at Nassau County Bridge Authority Atlantic Beach Bridge, in Atlantic Beach.
PERIOD OF RECORD - August 2002 to current year. November 1972 to October 1998, in files of Town of Hempstead Department of Conservation & Waterways.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929. November 1972 to September 1989, water-stage recorder at site 900 ft west. October 1990 to October 1998, water-stage recorder at site 300 ft south.
EXTREMES OUTSIDE PERIOD OF RECORD - Storm tides of Oct. 31, 1991, and Dec. 11, 1992, reached elevations of 6.7 and 7.7 ft, respectively, from information provided by Town of Hempstead Department of Conservation & Waterways. Minimum elevation recorded, -5.0 ft, Jan. 10, 1978, from information provided by Town of Hempstead Department of Conservation & Waterways.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 10.80 ft, Oct. 29, 2012; minimum elevation, -4.77 ft, Mar. 9, 2005.