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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
01305575 GREAT SOUTH BAY AT WATCH HILL ON FIRE ISLAND, NY
LOCATION - Lat 40°41'29.0", long 72°59'22.9" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, at National Park Service Watch Hill Marina, on Fire Island.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 2016 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929.
REMARKS - Satellite and telephone elevation telemeters at station. Gaps in record caused by equipment malfunctions are filled with estimated data from nearby gage 01306402 Great South Bay at West Sayville NY.
EXTREMES OUTSIDE PERIOD OF RECORD - Storm tide of Oct. 30, 2012, reached an elevation of 6.7 ft, from high-water mark at site 3.7 mi northwest.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 5.18 ft above NGVD of 1929, Jan. 10, 2024; minimum elevation, -1.38 ft above NGVD of 1929, Jan. 6, 2018.
