USGS 01309225 GREAT SOUTH BAY AT LINDENHURST NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 40°40'09", long 73°21'22" referenced to North American Datum of 1927, Suffolk County, NY, Hydrologic Unit 02030202, at Village of Lindenhurst Charles J. Cowan Marina, in Lindenhurst.
PERIOD OF RECORD.--July 2002 to current year.
REVISIONS HISTORY.--WDR-US-2007.
GAGE.--Water-stage recorder. Datum of gage is NGVD of 1929.
REMARKS.--ELEVATION WY 2013: Records good, except those for Oct. 3-24, Jan. 26-31, Feb. 2-16, Feb. 23 to Mar. 14, 16-22, 25-27, Aug. 30 to Sept. 30, which are fair, and Oct. 1-2, Jan 25, Feb. 1, 17-22, Mar. 15, 23-24, Mar. 28 to Aug. 29, which are poor. Periods of missing record were estimated with MISTE using a linear regression with 01310521 and 01310740. Satellite and telephone elevation telemeters at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 7.74 ft, Oct. 29, 2012; minimum elevation, -1.78 ft, Mar. 6, 2007.
EXTREMES OUTSIDE PERIOD OF RECORD.--Storm tide of Dec. 11, 1992, reached an elevation of 6.0 ft, from high-water mark at site 3.2 mi west.
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Peak Flow and Stage Information

NAVD 1988 Datum Conversion Information


Elevation observations and tidal predictions for this station are reported to NGVD 1929. To convert data to NAVD 1988 subtract 1.20 ft. To convert data to MHHW datum subtract 1.87 ft. To convert data to MLLW datum subtract 0.38 ft. These corrections vary from site to site.

NGVD 1929 is the National Geodetic Vertical Datum of 1929, formerly called "mean sea level" or "Sea Level Datum of 1929." NGVD 1929 was a general adjustment of the first-order level nets fit to mean sea level at 26 tide gages in the US and Canada.
NAVD 1988 is the North American Vertical Datum of 1988, which is a geodetic datum derived from a general adjustment of the first-order level nets fit to 1 tide gage in eastern Canada.
MHHW is mean higher high water, which is a site-specific datum determined by averaging the highest of the 2 high tides that occur each day over a 19-year tidal epoch. For tide gages with less than 19 years of record, this datum is estimated by correlation with long-term tide gages.
MLLW is mean lower low water, which is a site-specific datum determined by averaging the lowest of the 2 low tides that occur each day over a 19-year tidal epoch. For tide gages with less than 19 years of record, this datum is estimated by correlation with long-term tide gages.


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Water elevation, astronomical-tide elevation, and residual water level

Water elevation, astronomical-tide elevation, and residual water level Graph updated every 15 minutes

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This station managed by the NY Water Science Center Coram.

Available Parameters Available Period
  
2007-10-01  2024-03-28
2007-10-01  2024-03-28







 (7)
 

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Summary of all available data for this site
Instantaneous-data availability statement


Estuary or ocean water surface elevation above NGVD 1929, feet

Most recent instantaneous value: 1.71 03-28-2024   08:00 EST
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Estuary or ocean water surface elevation above NAVD 1988, feet, NAVD88

Most recent instantaneous value: 0.51 03-28-2024   08:00 EST
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