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A new USGS gauge is being installed on the new Route 213 Bridge near Langhorne.  During the gage checkout period, continue to click here for forecast hydrograph, click here to access temporary USGS observations from a gage 0.55 miles downstream located at Brownsville Rd.

Hydrograph River at a Glance Download
Delaware River at Tocks Island Stage (ft)Flow (kcfs)Observed: 5.95 ft at 7:45PM Jun 19, 2017Observed: 5.95 ft at 8:00PM Jun 19, 2017Observed: 5.99 ft at 8:15PM Jun 19, 2017Observed: 6 ft at 8:30PM Jun 19, 2017Observed: 6.03 ft at 8:45PM Jun 19, 2017Observed: 6.06 ft at 9:00PM Jun 19, 2017Observed: 6.07 ft at 9:15PM Jun 19, 2017Observed: 6.09 ft at 9:30PM Jun 19, 2017Observed: 6.09 ft at 9:45PM Jun 19, 2017Observed: 6.12 ft at 10:00PM Jun 19, 2017Observed: 6.13 ft at 10:15PM Jun 19, 2017Observed: 6.13 ft at 10:30PM Jun 19, 2017Observed: 6.17 ft at 10:45PM Jun 19, 2017Observed: 6.17 ft at 11:00PM Jun 19, 2017Observed: 6.19 ft at 11:15PM Jun 19, 2017Observed: 6.17 ft at 11:30PM Jun 19, 2017Observed: 6.2 ft at 11:45PM Jun 19, 2017Observed: 6.2 ft at 12:00AM Jun 20, 2017Observed: 6.2 ft at 12:15AM Jun 20, 2017Observed: 6.21 ft at 12:30AM Jun 20, 2017Observed: 6.21 ft at 12:45AM Jun 20, 2017Observed: 6.21 ft at 1:00AM Jun 20, 2017Observed: 6.25 ft at 1:15AM Jun 20, 2017Observed: 6.24 ft at 1:30AM Jun 20, 2017Observed: 6.26 ft at 1:45AM Jun 20, 2017Observed: 6.26 ft at 2:00AM Jun 20, 2017Observed: 6.28 ft at 2:15AM Jun 20, 2017Observed: 6.28 ft at 2:30AM Jun 20, 2017Observed: 6.32 ft at 2:45AM Jun 20, 2017Observed: 6.33 ft at 3:00AM Jun 20, 2017Observed: 6.35 ft at 3:15AM Jun 20, 2017Observed: 6.36 ft at 3:30AM Jun 20, 2017Observed: 6.39 ft at 3:45AM Jun 20, 2017Observed: 6.41 ft at 4:00AM Jun 20, 2017Observed: 6.44 ft at 4:15AM Jun 20, 2017Observed: 6.46 ft at 4:30AM Jun 20, 2017Observed: 6.48 ft at 4:45AM Jun 20, 2017Observed: 6.5 ft at 5:00AM Jun 20, 2017Observed: 6.53 ft at 5:15AM Jun 20, 2017Observed: 6.56 ft at 5:30AM Jun 20, 2017Observed: 6.58 ft at 5:45AM Jun 20, 2017Observed: 6.6 ft at 6:00AM Jun 20, 2017Observed: 6.62 ft at 6:15AM Jun 20, 2017Observed: 6.63 ft at 6:30AM Jun 20, 2017Observed: 6.65 ft at 6:45AM Jun 20, 2017Observed: 6.66 ft at 7:00AM Jun 20, 2017Observed: 6.66 ft at 7:15AM Jun 20, 2017Observed: 6.67 ft at 7:30AM Jun 20, 2017Observed: 6.68 ft at 7:45AM Jun 20, 2017Observed: 6.68 ft at 8:00AM Jun 20, 2017Observed: 6.68 ft at 8:15AM Jun 20, 2017Observed: 6.69 ft at 8:30AM Jun 20, 2017Observed: 6.67 ft at 8:45AM Jun 20, 2017Observed: 6.69 ft at 9:00AM Jun 20, 2017Observed: 6.69 ft at 9:15AM Jun 20, 2017Observed: 6.67 ft at 9:30AM Jun 20, 2017Observed: 6.68 ft at 9:45AM Jun 20, 2017Observed: 6.68 ft at 10:00AM Jun 20, 2017Observed: 6.67 ft at 10:15AM Jun 20, 2017Observed: 6.67 ft at 10:30AM Jun 20, 2017Observed: 6.65 ft at 10:45AM Jun 20, 2017Observed: 6.65 ft at 11:00AM Jun 20, 2017Observed: 6.65 ft at 11:15AM Jun 20, 2017Observed: 6.64 ft at 11:30AM Jun 20, 2017Observed: 6.63 ft at 11:45AM Jun 20, 2017Observed: 6.62 ft at 12:00PM Jun 20, 2017Observed: 6.62 ft at 12:15PM Jun 20, 2017Observed: 6.6 ft at 12:30PM Jun 20, 2017Observed: 6.59 ft at 12:45PM Jun 20, 2017Observed: 6.61 ft at 1:00PM Jun 20, 2017Observed: 6.6 ft at 1:15PM Jun 20, 2017Observed: 6.6 ft at 1:30PM Jun 20, 2017Observed: 6.61 ft at 1:45PM Jun 20, 2017Observed: 6.6 ft at 2:00PM Jun 20, 2017Observed: 6.6 ft at 2:15PM Jun 20, 2017Observed: 6.62 ft at 2:30PM Jun 20, 2017Observed: 6.62 ft at 2:45PM Jun 20, 2017Observed: 6.63 ft at 3:00PM Jun 20, 2017Observed: 6.64 ft at 3:15PM Jun 20, 2017Observed: 6.64 ft at 3:30PM Jun 20, 2017Observed: 6.66 ft at 3:45PM Jun 20, 2017Observed: 6.67 ft at 4:00PM Jun 20, 2017Observed: 6.65 ft at 4:15PM Jun 20, 2017Observed: 6.7 ft at 4:30PM Jun 20, 2017Observed: 6.69 ft at 4:45PM Jun 20, 2017Observed: 6.72 ft at 5:00PM Jun 20, 2017Observed: 6.73 ft at 5:15PM Jun 20, 2017Observed: 6.74 ft at 5:30PM Jun 20, 2017Observed: 6.76 ft at 5:45PM Jun 20, 2017Observed: 6.78 ft at 6:00PM Jun 20, 2017Observed: 6.79 ft at 6:15PM Jun 20, 2017Observed: 6.81 ft at 6:30PM Jun 20, 2017Observed: 6.81 ft at 6:45PM Jun 20, 2017Observed: 6.84 ft at 7:00PM Jun 20, 2017Observed: 6.85 ft at 7:15PM Jun 20, 2017Observed: 6.84 ft at 7:30PM Jun 20, 2017Observed: 6.85 ft at 7:45PM Jun 20, 2017Observed: 6.88 ft at 8:00PM Jun 20, 2017Observed: 6.87 ft at 8:15PM Jun 20, 2017Observed: 6.89 ft at 8:30PM Jun 20, 2017Observed: 6.89 ft at 8:45PM Jun 20, 2017Observed: 6.86 ft at 9:00PM Jun 20, 2017Observed: 6.88 ft at 9:15PM Jun 20, 2017Observed: 6.89 ft at 9:30PM Jun 20, 2017Observed: 6.89 ft at 9:45PM Jun 20, 2017Observed: 6.9 ft at 10:00PM Jun 20, 2017Observed: 6.88 ft at 10:15PM Jun 20, 2017Observed: 6.88 ft at 10:30PM Jun 20, 2017Observed: 6.9 ft at 10:45PM Jun 20, 2017Observed: 6.91 ft at 11:00PM Jun 20, 2017Observed: 6.91 ft at 11:15PM Jun 20, 2017Observed: 6.91 ft at 11:30PM Jun 20, 2017Observed: 6.91 ft at 11:45PM Jun 20, 2017Observed: 6.92 ft at 12:00AM Jun 21, 2017Observed: 6.92 ft at 12:15AM Jun 21, 2017Observed: 6.92 ft at 12:30AM Jun 21, 2017Observed: 6.94 ft at 12:45AM Jun 21, 2017Observed: 6.94 ft at 1:00AM Jun 21, 2017Observed: 6.94 ft at 1:15AM Jun 21, 2017Observed: 6.96 ft at 1:30AM Jun 21, 2017Observed: 6.96 ft at 1:45AM Jun 21, 2017Observed: 6.96 ft at 2:00AM Jun 21, 2017Observed: 6.98 ft at 2:15AM Jun 21, 2017Observed: 6.97 ft at 2:30AM Jun 21, 2017Observed: 6.99 ft at 2:45AM Jun 21, 2017Observed: 6.99 ft at 3:00AM Jun 21, 2017Observed: 6.99 ft at 3:15AM Jun 21, 2017Observed: 7.01 ft at 3:30AM Jun 21, 2017Observed: 7 ft at 3:45AM Jun 21, 2017Observed: 7.03 ft at 4:00AM Jun 21, 2017Observed: 7.04 ft at 4:15AM Jun 21, 2017Observed: 7.03 ft at 4:30AM Jun 21, 2017Observed: 7.06 ft at 4:45AM Jun 21, 2017Observed: 7.05 ft at 5:00AM Jun 21, 2017Observed: 7.07 ft at 5:15AM Jun 21, 2017Observed: 7.1 ft at 5:30AM Jun 21, 2017Observed: 7.09 ft at 5:45AM Jun 21, 2017Observed: 7.12 ft at 6:00AM Jun 21, 2017Observed: 7.12 ft at 6:15AM Jun 21, 2017Observed: 7.11 ft at 6:30AM Jun 21, 2017Observed: 7.15 ft at 6:45AM Jun 21, 2017Observed: 7.16 ft at 7:00AM Jun 21, 2017Observed: 7.15 ft at 7:15AM Jun 21, 2017Observed: 7.18 ft at 7:30AM Jun 21, 2017Observed: 7.18 ft at 7:45AM Jun 21, 2017Observed: 7.2 ft at 8:00AM Jun 21, 2017Observed: 7.19 ft at 8:15AM Jun 21, 2017Observed: 7.2 ft at 8:30AM Jun 21, 2017Observed: 7.2 ft at 8:45AM Jun 21, 2017Highest Observation: 7.21 ft at 9:00AM Jun 21, 2017Observed: 7.18 ft at 9:15AM Jun 21, 2017Observed: 7.18 ft at 9:30AM Jun 21, 2017Observed: 7.18 ft at 9:45AM Jun 21, 2017Observed: 7.18 ft at 10:00AM Jun 21, 2017Observed: 7.18 ft at 10:15AM Jun 21, 2017Observed: 7.17 ft at 10:30AM Jun 21, 2017Observed: 7.16 ft at 10:45AM Jun 21, 2017Observed: 7.16 ft at 11:00AM Jun 21, 2017Observed: 7.15 ft at 11:15AM Jun 21, 2017Observed: 7.15 ft at 11:30AM Jun 21, 2017Observed: 7.13 ft at 11:45AM Jun 21, 2017Observed: 7.12 ft at 12:00PM Jun 21, 2017Observed: 7.11 ft at 12:15PM Jun 21, 2017Observed: 7.1 ft at 12:30PM Jun 21, 2017Observed: 7.09 ft at 12:45PM Jun 21, 2017Observed: 7.07 ft at 1:00PM Jun 21, 2017Observed: 7.06 ft at 1:15PM Jun 21, 2017Observed: 7.05 ft at 1:30PM Jun 21, 2017Observed: 7.03 ft at 1:45PM Jun 21, 2017Observed: 7.03 ft at 2:00PM Jun 21, 2017Observed: 7.01 ft at 2:15PM Jun 21, 2017Observed: 7 ft at 2:30PM Jun 21, 2017Observed: 6.97 ft at 2:45PM Jun 21, 2017Observed: 6.97 ft at 3:00PM Jun 21, 2017Observed: 6.96 ft at 3:15PM Jun 21, 2017Observed: 6.94 ft at 3:30PM Jun 21, 2017Observed: 6.92 ft at 3:45PM Jun 21, 2017Observed: 6.91 ft at 4:00PM Jun 21, 2017Observed: 6.9 ft at 4:15PM Jun 21, 2017Observed: 6.89 ft at 4:30PM Jun 21, 2017Observed: 6.87 ft at 4:45PM Jun 21, 2017Observed: 6.86 ft at 5:00PM Jun 21, 2017Observed: 6.85 ft at 5:15PM Jun 21, 2017Observed: 6.84 ft at 5:30PM Jun 21, 2017Observed: 6.8 ft at 5:45PM Jun 21, 2017Observed: 6.82 ft at 6:00PM Jun 21, 2017Observed: 6.79 ft at 6:15PM Jun 21, 2017Observed: 6.79 ft at 6:30PM Jun 21, 2017Observed: 6.78 ft at 6:45PM Jun 21, 2017Observed: 6.78 ft at 7:00PM Jun 21, 2017Observed: 6.74 ft at 7:15PM Jun 21, 2017Observed: 6.75 ft at 7:30PM Jun 21, 2017Observed: 6.73 ft at 7:45PM Jun 21, 2017Observed: 6.72 ft at 8:00PM Jun 21, 2017Observed: 6.71 ft at 8:15PM Jun 21, 2017Observed: 6.7 ft at 8:30PM Jun 21, 2017Observed: 6.68 ft at 8:45PM Jun 21, 2017Observed: 6.67 ft at 9:00PM Jun 21, 2017Observed: 6.66 ft at 9:15PM Jun 21, 2017Observed: 6.65 ft at 9:30PM Jun 21, 2017Observed: 6.64 ft at 9:45PM Jun 21, 2017Observed: 6.63 ft at 10:00PM Jun 21, 2017Observed: 6.62 ft at 10:15PM Jun 21, 2017Observed: 6.61 ft at 10:30PM Jun 21, 2017Observed: 6.6 ft at 10:45PM Jun 21, 2017Observed: 6.59 ft at 11:00PM Jun 21, 2017Observed: 6.58 ft at 11:15PM Jun 21, 2017Observed: 6.58 ft at 11:30PM Jun 21, 2017Observed: 6.57 ft at 11:45PM Jun 21, 2017Observed: 6.57 ft at 12:00AM Jun 22, 2017Observed: 6.56 ft at 12:15AM Jun 22, 2017Observed: 6.56 ft at 12:30AM Jun 22, 2017Observed: 6.55 ft at 12:45AM Jun 22, 2017Observed: 6.54 ft at 1:00AM Jun 22, 2017Observed: 6.55 ft at 1:15AM Jun 22, 2017Observed: 6.54 ft at 1:30AM Jun 22, 2017Observed: 6.54 ft at 1:45AM Jun 22, 2017Observed: 6.54 ft at 2:00AM Jun 22, 2017Observed: 6.54 ft at 2:15AM Jun 22, 2017Observed: 6.54 ft at 2:30AM Jun 22, 2017Observed: 6.53 ft at 2:45AM Jun 22, 2017Observed: 6.53 ft at 3:00AM Jun 22, 2017Observed: 6.53 ft at 3:15AM Jun 22, 2017Observed: 6.53 ft at 3:30AM Jun 22, 2017Observed: 6.53 ft at 3:45AM Jun 22, 2017Observed: 6.53 ft at 4:00AM Jun 22, 2017Observed: 6.53 ft at 4:15AM Jun 22, 2017Observed: 6.53 ft at 4:30AM Jun 22, 2017Observed: 6.53 ft at 4:45AM Jun 22, 2017Observed: 6.52 ft at 5:00AM Jun 22, 2017Observed: 6.52 ft at 5:15AM Jun 22, 2017Observed: 6.52 ft at 5:30AM Jun 22, 2017Observed: 6.51 ft at 5:45AM Jun 22, 2017Observed: 6.5 ft at 6:00AM Jun 22, 2017Observed: 6.51 ft at 6:15AM Jun 22, 2017Observed: 6.5 ft at 6:30AM Jun 22, 2017Observed: 6.49 ft at 6:45AM Jun 22, 2017Observed: 6.49 ft at 7:00AM Jun 22, 2017Observed: 6.47 ft at 7:15AM Jun 22, 2017Observed: 6.47 ft at 7:30AM Jun 22, 2017Observed: 6.46 ft at 7:45AM Jun 22, 2017Observed: 6.46 ft at 8:00AM Jun 22, 2017Observed: 6.45 ft at 8:15AM Jun 22, 2017Observed: 6.45 ft at 8:30AM Jun 22, 2017Observed: 6.44 ft at 8:45AM Jun 22, 2017Observed: 6.43 ft at 9:00AM Jun 22, 2017Observed: 6.42 ft at 9:15AM Jun 22, 2017Observed: 6.42 ft at 9:30AM Jun 22, 2017Observed: 6.41 ft at 9:45AM Jun 22, 2017Observed: 6.41 ft at 10:00AM Jun 22, 2017Observed: 6.4 ft at 10:15AM Jun 22, 2017Observed: 6.4 ft at 10:30AM Jun 22, 2017Observed: 6.39 ft at 10:45AM Jun 22, 2017Observed: 6.39 ft at 11:00AM Jun 22, 2017Observed: 6.38 ft at 11:15AM Jun 22, 2017Observed: 6.38 ft at 11:30AM Jun 22, 2017Observed: 6.37 ft at 11:45AM Jun 22, 2017Observed: 6.37 ft at 12:00PM Jun 22, 2017Observed: 6.36 ft at 12:15PM Jun 22, 2017Observed: 6.36 ft at 12:30PM Jun 22, 2017Observed: 6.36 ft at 12:45PM Jun 22, 2017Observed: 6.35 ft at 1:00PM Jun 22, 2017Observed: 6.36 ft at 1:15PM Jun 22, 2017Observed: 6.35 ft at 1:30PM Jun 22, 2017Observed: 6.35 ft at 1:45PM Jun 22, 2017Observed: 6.35 ft at 2:00PM Jun 22, 2017Observed: 6.35 ft at 2:15PM Jun 22, 2017Observed: 6.37 ft at 2:30PM Jun 22, 2017Observed: 6.37 ft at 2:45PM Jun 22, 2017Observed: 6.34 ft at 3:00PM Jun 22, 2017Observed: 6.33 ft at 3:15PM Jun 22, 2017Observed: 6.34 ft at 3:30PM Jun 22, 2017Observed: 6.34 ft at 3:45PM Jun 22, 2017Observed: 6.32 ft at 4:00PM Jun 22, 2017Observed: 6.32 ft at 4:15PM Jun 22, 2017Observed: 6.31 ft at 4:30PM Jun 22, 2017Observed: 6.31 ft at 4:45PM Jun 22, 2017Observed: 6.29 ft at 5:00PM Jun 22, 2017Observed: 6.3 ft at 5:15PM Jun 22, 2017Observed: 6.29 ft at 5:30PM Jun 22, 2017Observed: 6.28 ft at 5:45PM Jun 22, 2017Observed: 6.28 ft at 6:00PM Jun 22, 2017Observed: 6.26 ft at 6:15PM Jun 22, 2017Forecast: 6.3 ft 8:00PM Jun 22, 2017Forecast: 6.2 ft 2:00AM Jun 23, 2017Forecast: 6.1 ft 8:00AM Jun 23, 2017Forecast: 6.1 ft 2:00PM Jun 23, 2017Forecast: 6.1 ft 8:00PM Jun 23, 2017Forecast: 6.1 ft 2:00AM Jun 24, 2017Forecast: 6.2 ft 8:00AM Jun 24, 2017Forecast: 6.4 ft 2:00PM Jun 24, 2017Forecast: 6.6 ft 8:00PM Jun 24, 2017Forecast: 6.8 ft 2:00AM Jun 25, 2017Highest Forecast: 6.9 ft 8:00AM Jun 25, 2017USGS--Water Resources of the United StatesTKSN4(plotting HGIRG) Graph Created (7:33PM Jun 22, 2017)ObservedForecast (issued 9:32AM Jun 22)Latest observed value: 6.26 ft at 6:15 PM EDT 22-Jun-2017. Flood Stage is 21 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Delaware River at Tocks Island are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Montague Upstream Gauge Downstream Gauge Downstream Gauge - at Belvidere
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 23
Flood Stage: 21
Action Stage: 20
Low Stage (in feet): 0

Historic Crests
(1) 37.40 ft on 08/19/1955
(2) 33.87 ft on 06/28/2006
(3) 33.24 ft on 04/03/2005
(4) 30.34 ft on 09/19/2004
(5) 28.40 ft on 01/20/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 24.95 ft on 09/09/2011
(2) 23.21 ft on 08/29/2011
(3) 22.88 ft on 03/12/2011
(4) 20.54 ft on 03/07/2011
(5) 33.87 ft on 06/28/2006
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
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
If you notice any errors in the below information, please contact our Webmaster
30 All delaware water gap recreation resources are impacted, including natural and cultural resources, archeological sites, visitor use facilities, and infrastructure such as roads, bridges, and utilities.
25 Campsites in Worthington State Forest in New Jersey flood.
23 Route 209 is closed.
22 Many local roads that connect to Route 209, River Road, and other park roads are closed.
21 Approach roads to the Shawnee Inn flood. Route 209 begins to flood.
About This Location Collapse

Latitude: 41.013333° N, Longitude: 75.086111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 21 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 29 293.64 ft 314.64 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

Click individual graphics to enlarge.

During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.
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: 21-Dec-2016 5:21 PM
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