USGS Water-Year Summary 2021
01407770 SHARK RIVER AT BELMAR, NJ
LOCATION - Lat 40°11'08", long 74°01'34" referenced to North American Datum of 1983, Belmar Borough, Monmouth County, NJ, Hydrologic Unit 02030104, on concrete jetty in Belmar Municipal Marina next to floating fuel dock, 0.1 mi south of south end of Shark River Island, 0.3 mi southwest of bridge carrying State Route 35 over Shark River, and 1.2 mi southwest of Shark River Inlet.
PERIOD OF RECORD - Unpublished fragmentary gage-height record, August 1997 to June 2000. Continuous-record tide gage, July 2000 to January 2002, September 2004 to current year.
GAGE - Tide elevation and water temperature recorder with telemetry and tidal crest-stage gage. Datum of gage is at 0.00 ft NAVD of 1988. To determine approximate elevations to NGVD of 1929, add 1.20 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 10.9 ft (from high water mark), Oct 29, 2012; minimum elevation, estimated at -5.6 ft, Mar 9, 2008.