Delaware Bay at Ship John Shoal Lighthouse NJ

All data collection at this site will be discontinued on October 1, 2025, due to safety concerns. Although historical data will remain available, no new data will be collected. If there are questions concerning the operation of this site, please contact Chuck Walker (cwwalker@usgs.gov).

Important Legacy real-time page

Location details and information

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Site identification number	01412350	_n/a
Site name	Delaware Bay at Ship John Shoal Lighthouse NJ	_n/a
Site type	Stream	ST
DMS latitude	391819.5	_n/a
DMS longitude	0752235.6	_n/a
Decimal latitude	39.30541667	_n/a
Decimal longitude	-75.3765556	_n/a
Latitude-longitude method	Interpolated from Digital MAP.	N
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
Latitude-longitude datum	North American Datum of 1983	NAD83
Decimal Latitude-longitude datum	North American Datum of 1983	NAD83
District	Maryland	24
State	New Jersey	34
County	Cumberland County	011
Country	US	_n/a
Land net location description		_n/a
Name of location map	BOMBAY HOOK ISLAND,	_n/a
Scale of location map	24000	_n/a
Altitude of Gage/land surface	0 feet	_n/a
Method altitude determined	Interpolated from Digital Elevation Model	N
Altitude accuracy	1.6 feet	_n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Delaware Bay	02040204
Drainage basin		_n/a
Topographic setting		_n/a
Flags for instruments at site	YNNNYNNNNNNNNNNNYNNNNNNNNNNNNN	_n/a
Date of first construction	19851223	_n/a
Date site established or inventoried	19851224	_n/a
Drainage area		_n/a
Contributing drainage area		_n/a
Time Zone abbreviation	EST	_n/a
Site honors Daylight Saving Time	Y	_n/a
Data reliability	Data have been checked by the reporting agency.	C
Data-other GW files	NNNNNNNN	_n/a
National aquifer		_n/a
Local aquifer		_n/a
Local aquifer type		_n/a
Well depth		_n/a
Hole depth		_n/a
Source of depth data		_n/a
Project number		_n/a

Operated in cooperation with:

USGS - Observing Systems Division