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Weather Forecast Office Philadelphia/Mount Holly, NJ Middle Atlantic River Forecast Center
Hydrograph River at a Glance Download
Great Egg Harbor River at Folsom Stage (ft)Flow (kcfs)Highest Observation: 4.59 ft at 4:45PM Jun 16, 2013Highest Observation: 4.59 ft at 5:00PM Jun 16, 2013Highest Observation: 4.59 ft at 5:15PM Jun 16, 2013Highest Observation: 4.59 ft at 5:30PM Jun 16, 2013Observed: 4.58 ft at 5:45PM Jun 16, 2013Observed: 4.58 ft at 6:00PM Jun 16, 2013Observed: 4.58 ft at 6:15PM Jun 16, 2013Observed: 4.58 ft at 6:30PM Jun 16, 2013Observed: 4.57 ft at 6:45PM Jun 16, 2013Observed: 4.57 ft at 7:00PM Jun 16, 2013Observed: 4.57 ft at 7:15PM Jun 16, 2013Observed: 4.57 ft at 7:30PM Jun 16, 2013Observed: 4.57 ft at 7:45PM Jun 16, 2013Observed: 4.58 ft at 8:00PM Jun 16, 2013Observed: 4.58 ft at 8:15PM Jun 16, 2013Observed: 4.57 ft at 8:30PM Jun 16, 2013Observed: 4.57 ft at 8:45PM Jun 16, 2013Observed: 4.57 ft at 9:00PM Jun 16, 2013Observed: 4.57 ft at 9:15PM Jun 16, 2013Observed: 4.57 ft at 9:30PM Jun 16, 2013Observed: 4.56 ft at 9:45PM Jun 16, 2013Observed: 4.56 ft at 10:00PM Jun 16, 2013Observed: 4.56 ft at 10:15PM Jun 16, 2013Observed: 4.56 ft at 10:30PM Jun 16, 2013Observed: 4.55 ft at 10:45PM Jun 16, 2013Observed: 4.55 ft at 11:00PM Jun 16, 2013Observed: 4.55 ft at 11:15PM Jun 16, 2013Observed: 4.55 ft at 11:30PM Jun 16, 2013Observed: 4.55 ft at 11:45PM Jun 16, 2013Observed: 4.55 ft at 12:00AM Jun 17, 2013Observed: 4.54 ft at 12:15AM Jun 17, 2013Observed: 4.54 ft at 12:30AM Jun 17, 2013Observed: 4.54 ft at 12:45AM Jun 17, 2013Observed: 4.54 ft at 1:00AM Jun 17, 2013Observed: 4.54 ft at 1:15AM Jun 17, 2013Observed: 4.53 ft at 1:30AM Jun 17, 2013Observed: 4.53 ft at 1:45AM Jun 17, 2013Observed: 4.53 ft at 2:00AM Jun 17, 2013Observed: 4.53 ft at 2:15AM Jun 17, 2013Observed: 4.53 ft at 2:30AM Jun 17, 2013Observed: 4.53 ft at 2:45AM Jun 17, 2013Observed: 4.53 ft at 3:00AM Jun 17, 2013Observed: 4.52 ft at 3:15AM Jun 17, 2013Observed: 4.52 ft at 3:30AM Jun 17, 2013Observed: 4.52 ft at 3:45AM Jun 17, 2013Observed: 4.52 ft at 4:00AM Jun 17, 2013Observed: 4.52 ft at 4:15AM Jun 17, 2013Observed: 4.51 ft at 4:30AM Jun 17, 2013Observed: 4.51 ft at 4:45AM Jun 17, 2013Observed: 4.51 ft at 5:00AM Jun 17, 2013Observed: 4.51 ft at 5:15AM Jun 17, 2013Observed: 4.51 ft at 5:30AM Jun 17, 2013Observed: 4.5 ft at 5:45AM Jun 17, 2013Observed: 4.5 ft at 6:00AM Jun 17, 2013Observed: 4.5 ft at 6:15AM Jun 17, 2013Observed: 4.5 ft at 6:30AM Jun 17, 2013Observed: 4.5 ft at 6:45AM Jun 17, 2013Observed: 4.49 ft at 7:00AM Jun 17, 2013Observed: 4.49 ft at 7:15AM Jun 17, 2013Observed: 4.49 ft at 7:30AM Jun 17, 2013Observed: 4.49 ft at 7:45AM Jun 17, 2013Observed: 4.49 ft at 8:00AM Jun 17, 2013Observed: 4.48 ft at 8:15AM Jun 17, 2013Observed: 4.48 ft at 8:30AM Jun 17, 2013Observed: 4.48 ft at 8:45AM Jun 17, 2013Observed: 4.47 ft at 9:00AM Jun 17, 2013Observed: 4.47 ft at 9:15AM Jun 17, 2013Observed: 4.47 ft at 9:30AM Jun 17, 2013Observed: 4.47 ft at 9:45AM Jun 17, 2013Observed: 4.47 ft at 10:00AM Jun 17, 2013Observed: 4.46 ft at 10:15AM Jun 17, 2013Observed: 4.46 ft at 10:30AM Jun 17, 2013Observed: 4.46 ft at 10:45AM Jun 17, 2013Observed: 4.45 ft at 11:00AM Jun 17, 2013Observed: 4.45 ft at 11:15AM Jun 17, 2013Observed: 4.45 ft at 11:30AM Jun 17, 2013Observed: 4.45 ft at 11:45AM Jun 17, 2013Observed: 4.44 ft at 12:00PM Jun 17, 2013Observed: 4.44 ft at 12:15PM Jun 17, 2013Observed: 4.44 ft at 12:30PM Jun 17, 2013Observed: 4.43 ft at 12:45PM Jun 17, 2013Observed: 4.43 ft at 1:00PM Jun 17, 2013Observed: 4.43 ft at 1:15PM Jun 17, 2013Observed: 4.43 ft at 1:30PM Jun 17, 2013Observed: 4.42 ft at 1:45PM Jun 17, 2013Observed: 4.42 ft at 2:00PM Jun 17, 2013Observed: 4.42 ft at 2:15PM Jun 17, 2013Observed: 4.41 ft at 2:30PM Jun 17, 2013Observed: 4.41 ft at 2:45PM Jun 17, 2013Observed: 4.41 ft at 3:00PM Jun 17, 2013Observed: 4.4 ft at 3:15PM Jun 17, 2013Observed: 4.4 ft at 3:30PM Jun 17, 2013Observed: 4.4 ft at 3:45PM Jun 17, 2013Observed: 4.39 ft at 4:00PM Jun 17, 2013Observed: 4.39 ft at 4:15PM Jun 17, 2013Observed: 4.39 ft at 4:30PM Jun 17, 2013Observed: 4.38 ft at 4:45PM Jun 17, 2013Observed: 4.38 ft at 5:00PM Jun 17, 2013Observed: 4.37 ft at 5:15PM Jun 17, 2013Observed: 4.37 ft at 5:30PM Jun 17, 2013Observed: 4.37 ft at 5:45PM Jun 17, 2013Observed: 4.37 ft at 6:00PM Jun 17, 2013Observed: 4.36 ft at 6:15PM Jun 17, 2013Observed: 4.36 ft at 6:30PM Jun 17, 2013Observed: 4.35 ft at 6:45PM Jun 17, 2013Observed: 4.35 ft at 7:00PM Jun 17, 2013Observed: 4.35 ft at 7:15PM Jun 17, 2013Observed: 4.35 ft at 7:30PM Jun 17, 2013Observed: 4.35 ft at 7:45PM Jun 17, 2013Observed: 4.34 ft at 8:00PM Jun 17, 2013Observed: 4.34 ft at 8:15PM Jun 17, 2013Observed: 4.34 ft at 8:30PM Jun 17, 2013Observed: 4.33 ft at 8:45PM Jun 17, 2013Observed: 4.33 ft at 9:00PM Jun 17, 2013Observed: 4.33 ft at 9:15PM Jun 17, 2013Observed: 4.32 ft at 9:30PM Jun 17, 2013Observed: 4.32 ft at 9:45PM Jun 17, 2013Observed: 4.32 ft at 10:00PM Jun 17, 2013Observed: 4.31 ft at 10:15PM Jun 17, 2013Observed: 4.31 ft at 10:30PM Jun 17, 2013Observed: 4.3 ft at 10:45PM Jun 17, 2013Observed: 4.3 ft at 11:00PM Jun 17, 2013Observed: 4.29 ft at 11:15PM Jun 17, 2013Observed: 4.29 ft at 11:30PM Jun 17, 2013Observed: 4.29 ft at 11:45PM Jun 17, 2013Observed: 4.29 ft at 12:00AM Jun 18, 2013Observed: 4.28 ft at 12:15AM Jun 18, 2013Observed: 4.28 ft at 12:30AM Jun 18, 2013Observed: 4.28 ft at 12:45AM Jun 18, 2013Observed: 4.27 ft at 1:00AM Jun 18, 2013Observed: 4.27 ft at 1:15AM Jun 18, 2013Observed: 4.27 ft at 1:30AM Jun 18, 2013Observed: 4.27 ft at 1:45AM Jun 18, 2013Observed: 4.26 ft at 2:00AM Jun 18, 2013Observed: 4.26 ft at 2:15AM Jun 18, 2013Observed: 4.26 ft at 2:30AM Jun 18, 2013Observed: 4.25 ft at 2:45AM Jun 18, 2013Observed: 4.25 ft at 3:00AM Jun 18, 2013Observed: 4.25 ft at 3:15AM Jun 18, 2013Observed: 4.25 ft at 3:30AM Jun 18, 2013Observed: 4.24 ft at 3:45AM Jun 18, 2013Observed: 4.24 ft at 4:00AM Jun 18, 2013Observed: 4.24 ft at 4:15AM Jun 18, 2013Observed: 4.23 ft at 4:30AM Jun 18, 2013Observed: 4.23 ft at 4:45AM Jun 18, 2013Observed: 4.23 ft at 5:00AM Jun 18, 2013Observed: 4.22 ft at 5:15AM Jun 18, 2013Observed: 4.22 ft at 5:30AM Jun 18, 2013Observed: 4.21 ft at 5:45AM Jun 18, 2013Observed: 4.21 ft at 6:00AM Jun 18, 2013Observed: 4.21 ft at 6:15AM Jun 18, 2013Observed: 4.2 ft at 6:30AM Jun 18, 2013Observed: 4.2 ft at 6:45AM Jun 18, 2013Observed: 4.2 ft at 7:00AM Jun 18, 2013Observed: 4.19 ft at 7:15AM Jun 18, 2013Observed: 4.19 ft at 7:30AM Jun 18, 2013Observed: 4.19 ft at 7:45AM Jun 18, 2013Observed: 4.18 ft at 8:00AM Jun 18, 2013Observed: 4.18 ft at 8:15AM Jun 18, 2013Observed: 4.18 ft at 8:30AM Jun 18, 2013Observed: 4.17 ft at 8:45AM Jun 18, 2013Observed: 4.17 ft at 9:00AM Jun 18, 2013Observed: 4.17 ft at 9:15AM Jun 18, 2013Observed: 4.17 ft at 9:30AM Jun 18, 2013Observed: 4.16 ft at 9:45AM Jun 18, 2013Observed: 4.16 ft at 10:00AM Jun 18, 2013Observed: 4.16 ft at 10:15AM Jun 18, 2013Observed: 4.15 ft at 10:30AM Jun 18, 2013Observed: 4.15 ft at 10:45AM Jun 18, 2013Observed: 4.15 ft at 11:00AM Jun 18, 2013Observed: 4.14 ft at 11:15AM Jun 18, 2013Observed: 4.14 ft at 11:30AM Jun 18, 2013Observed: 4.14 ft at 11:45AM Jun 18, 2013Observed: 4.14 ft at 12:00PM Jun 18, 2013Observed: 4.13 ft at 12:15PM Jun 18, 2013Observed: 4.13 ft at 12:30PM Jun 18, 2013Observed: 4.13 ft at 12:45PM Jun 18, 2013Observed: 4.13 ft at 1:00PM Jun 18, 2013Observed: 4.12 ft at 1:15PM Jun 18, 2013Observed: 4.12 ft at 1:30PM Jun 18, 2013Observed: 4.12 ft at 1:45PM Jun 18, 2013Observed: 4.12 ft at 2:00PM Jun 18, 2013Observed: 4.13 ft at 2:15PM Jun 18, 2013Observed: 4.14 ft at 2:30PM Jun 18, 2013Observed: 4.14 ft at 2:45PM Jun 18, 2013Observed: 4.15 ft at 3:00PM Jun 18, 2013Observed: 4.17 ft at 3:15PM Jun 18, 2013Observed: 4.18 ft at 3:30PM Jun 18, 2013Observed: 4.18 ft at 3:45PM Jun 18, 2013Observed: 4.19 ft at 4:00PM Jun 18, 2013Observed: 4.19 ft at 4:15PM Jun 18, 2013Observed: 4.19 ft at 4:30PM Jun 18, 2013Observed: 4.19 ft at 4:45PM Jun 18, 2013Observed: 4.2 ft at 5:00PM Jun 18, 2013Observed: 4.2 ft at 5:15PM Jun 18, 2013Observed: 4.19 ft at 5:30PM Jun 18, 2013Observed: 4.19 ft at 5:45PM Jun 18, 2013Observed: 4.19 ft at 6:00PM Jun 18, 2013Observed: 4.18 ft at 6:15PM Jun 18, 2013Observed: 4.18 ft at 6:30PM Jun 18, 2013Observed: 4.18 ft at 6:45PM Jun 18, 2013Observed: 4.17 ft at 7:00PM Jun 18, 2013Observed: 4.17 ft at 7:15PM Jun 18, 2013Observed: 4.17 ft at 7:30PM Jun 18, 2013Observed: 4.17 ft at 7:45PM Jun 18, 2013Observed: 4.17 ft at 8:00PM Jun 18, 2013Observed: 4.17 ft at 8:15PM Jun 18, 2013Observed: 4.19 ft at 8:30PM Jun 18, 2013Observed: 4.18 ft at 8:45PM Jun 18, 2013Observed: 4.19 ft at 9:00PM Jun 18, 2013Observed: 4.17 ft at 9:15PM Jun 18, 2013Observed: 4.16 ft at 9:30PM Jun 18, 2013Observed: 4.16 ft at 9:45PM Jun 18, 2013Observed: 4.16 ft at 10:00PM Jun 18, 2013Observed: 4.16 ft at 10:15PM Jun 18, 2013Observed: 4.16 ft at 10:30PM Jun 18, 2013Observed: 4.16 ft at 10:45PM Jun 18, 2013Observed: 4.15 ft at 11:00PM Jun 18, 2013Observed: 4.15 ft at 11:15PM Jun 18, 2013Observed: 4.15 ft at 11:30PM Jun 18, 2013Observed: 4.15 ft at 11:45PM Jun 18, 2013Observed: 4.15 ft at 12:00AM Jun 19, 2013Observed: 4.15 ft at 12:15AM Jun 19, 2013Observed: 4.15 ft at 12:30AM Jun 19, 2013Observed: 4.15 ft at 12:45AM Jun 19, 2013Observed: 4.15 ft at 1:00AM Jun 19, 2013Observed: 4.15 ft at 1:15AM Jun 19, 2013Observed: 4.15 ft at 1:30AM Jun 19, 2013Observed: 4.15 ft at 1:45AM Jun 19, 2013Observed: 4.16 ft at 2:00AM Jun 19, 2013Observed: 4.16 ft at 2:15AM Jun 19, 2013Observed: 4.16 ft at 2:30AM Jun 19, 2013Observed: 4.16 ft at 2:45AM Jun 19, 2013Observed: 4.16 ft at 3:00AM Jun 19, 2013Observed: 4.16 ft at 3:15AM Jun 19, 2013Observed: 4.16 ft at 3:30AM Jun 19, 2013Observed: 4.16 ft at 3:45AM Jun 19, 2013Observed: 4.17 ft at 4:00AM Jun 19, 2013Observed: 4.17 ft at 4:15AM Jun 19, 2013Observed: 4.17 ft at 4:30AM Jun 19, 2013Observed: 4.17 ft at 4:45AM Jun 19, 2013Observed: 4.17 ft at 5:00AM Jun 19, 2013Observed: 4.17 ft at 5:15AM Jun 19, 2013Observed: 4.17 ft at 5:30AM Jun 19, 2013Observed: 4.17 ft at 5:45AM Jun 19, 2013Observed: 4.18 ft at 6:00AM Jun 19, 2013Observed: 4.18 ft at 6:15AM Jun 19, 2013Observed: 4.18 ft at 6:30AM Jun 19, 2013Observed: 4.18 ft at 6:45AM Jun 19, 2013Observed: 4.19 ft at 7:00AM Jun 19, 2013Observed: 4.19 ft at 7:15AM Jun 19, 2013Observed: 4.19 ft at 7:30AM Jun 19, 2013Observed: 4.19 ft at 7:45AM Jun 19, 2013Observed: 4.19 ft at 8:00AM Jun 19, 2013Observed: 4.2 ft at 8:15AM Jun 19, 2013Observed: 4.2 ft at 8:30AM Jun 19, 2013Observed: 4.2 ft at 8:45AM Jun 19, 2013Observed: 4.21 ft at 9:00AM Jun 19, 2013Observed: 4.21 ft at 9:15AM Jun 19, 2013Observed: 4.21 ft at 9:30AM Jun 19, 2013Observed: 4.21 ft at 9:45AM Jun 19, 2013Observed: 4.22 ft at 10:00AM Jun 19, 2013Observed: 4.22 ft at 10:15AM Jun 19, 2013Observed: 4.23 ft at 10:30AM Jun 19, 2013Observed: 4.23 ft at 10:45AM Jun 19, 2013Observed: 4.23 ft at 11:00AM Jun 19, 2013Observed: 4.24 ft at 11:15AM Jun 19, 2013Observed: 4.24 ft at 11:30AM Jun 19, 2013Observed: 4.25 ft at 11:45AM Jun 19, 2013Observed: 4.25 ft at 12:00PM Jun 19, 2013Observed: 4.25 ft at 12:15PM Jun 19, 2013Observed: 4.25 ft at 12:30PM Jun 19, 2013Observed: 4.26 ft at 12:45PM Jun 19, 2013Observed: 4.26 ft at 1:00PM Jun 19, 2013Observed: 4.26 ft at 1:15PM Jun 19, 2013Observed: 4.27 ft at 1:30PM Jun 19, 2013Observed: 4.27 ft at 1:45PM Jun 19, 2013Observed: 4.28 ft at 2:00PM Jun 19, 2013Observed: 4.28 ft at 2:15PM Jun 19, 2013Observed: 4.28 ft at 2:30PM Jun 19, 2013Observed: 4.29 ft at 2:45PM Jun 19, 2013Observed: 4.29 ft at 3:00PM Jun 19, 2013Observed: 4.3 ft at 3:15PM Jun 19, 2013Observed: 4.3 ft at 3:30PM Jun 19, 2013Observed: 4.31 ft at 3:45PM Jun 19, 2013Observed: 4.31 ft at 4:00PM Jun 19, 2013USGS--Water Resources of the United StatesGEHN4(plotting HGIRG) Graph Created (4:43PM Jun 19, 2013)ObservedLatest observed value: 4.31 ft at 4:00 PM EDT 19-Jun-2013. Flood Stage is 6 ft
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About this graph
Tabular Data
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Great Egg Harbor River at Folsom. Only observed stages are available for this point.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage:8
Moderate Flood Stage:7
Flood Stage:6
Action Stage:5.5

Historical Crests
(1) 9.09 ft on 09/03/1940
(2) 8.27 ft on 08/29/2011
(3) 8.18 ft on 08/16/2011
(4) 8.03 ft on 04/17/2007
(5) 8.03 ft on 04/17/2007
Show More Historical Crests

Low Water Records
Currently none available.
Legend
Gauge Location
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
8.5 Route 322 is closed. The Lake Lenape earthern embankment at Lenape Avenue and CR 559 overtops. If heavy rain is also falling over Mays Landing and not just to the west, Harding Lakes can also flood and impact US 40 between US 50 and CR 606.
8.19 Route 322 at the Great Egg Harbor River is impacted. The Lake Lenape earthern dam is overtopped at Lenape Avenue.
8 Major flooding begins. All homes in the Weymouth Forge area are impacted.
7.8 Homes begin to flood in the Indian Branch Park area.
7.2 CR 561, at Great Egg Harbor River is flooded. Water overtops the 8th Street bridge.
6.5 Water begins surrounding homes in Weymouth Forge, Hamilton Township.
6 Minor flooding begins. Water levels begin to exceed banks.
About This Location Collapse

Latitude: 39.595000° N, Longitude: 74.851667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 6 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 53.32 59.32 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Other Data Sources:
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
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Page last modified: 13-Mar-2013 6:28 PM 		Disclaimer
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