Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 

Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.



Hydrograph River at a Glance Download
Delaware River at Tocks Island Stage (ft)Flow (kcfs)Highest Observation: 5.25 ft at 12:00AM Jun 07, 2023Observed: 5.24 ft at 12:15AM Jun 07, 2023Observed: 5.24 ft at 12:30AM Jun 07, 2023Observed: 5.24 ft at 12:45AM Jun 07, 2023Observed: 5.24 ft at 1:00AM Jun 07, 2023Observed: 5.24 ft at 1:15AM Jun 07, 2023Observed: 5.24 ft at 1:30AM Jun 07, 2023Observed: 5.24 ft at 1:45AM Jun 07, 2023Observed: 5.24 ft at 2:00AM Jun 07, 2023Observed: 5.24 ft at 2:15AM Jun 07, 2023Observed: 5.24 ft at 2:30AM Jun 07, 2023Observed: 5.24 ft at 2:45AM Jun 07, 2023Observed: 5.24 ft at 3:00AM Jun 07, 2023Observed: 5.24 ft at 3:15AM Jun 07, 2023Observed: 5.24 ft at 4:30AM Jun 07, 2023Observed: 5.24 ft at 4:45AM Jun 07, 2023Observed: 5.24 ft at 5:00AM Jun 07, 2023Observed: 5.24 ft at 5:15AM Jun 07, 2023Observed: 5.23 ft at 5:30AM Jun 07, 2023Observed: 5.23 ft at 5:45AM Jun 07, 2023Observed: 5.24 ft at 6:00AM Jun 07, 2023Observed: 5.23 ft at 6:15AM Jun 07, 2023Observed: 5.23 ft at 6:30AM Jun 07, 2023Observed: 5.23 ft at 6:45AM Jun 07, 2023Observed: 5.23 ft at 7:00AM Jun 07, 2023Observed: 5.23 ft at 7:15AM Jun 07, 2023Observed: 5.23 ft at 7:30AM Jun 07, 2023Observed: 5.23 ft at 7:45AM Jun 07, 2023Observed: 5.23 ft at 8:00AM Jun 07, 2023Observed: 5.23 ft at 8:15AM Jun 07, 2023Observed: 5.23 ft at 8:30AM Jun 07, 2023Observed: 5.23 ft at 8:45AM Jun 07, 2023Observed: 5.23 ft at 9:00AM Jun 07, 2023Observed: 5.23 ft at 9:15AM Jun 07, 2023Observed: 5.23 ft at 9:30AM Jun 07, 2023Observed: 5.23 ft at 9:45AM Jun 07, 2023Observed: 5.23 ft at 10:00AM Jun 07, 2023Observed: 5.23 ft at 10:15AM Jun 07, 2023Observed: 5.23 ft at 10:30AM Jun 07, 2023Observed: 5.23 ft at 10:45AM Jun 07, 2023Observed: 5.23 ft at 11:00AM Jun 07, 2023Observed: 5.23 ft at 11:15AM Jun 07, 2023Observed: 5.23 ft at 11:30AM Jun 07, 2023Observed: 5.23 ft at 11:45AM Jun 07, 2023Observed: 5.23 ft at 12:00PM Jun 07, 2023Observed: 5.23 ft at 12:15PM Jun 07, 2023Observed: 5.23 ft at 12:30PM Jun 07, 2023Observed: 5.23 ft at 12:45PM Jun 07, 2023Observed: 5.23 ft at 1:00PM Jun 07, 2023Observed: 5.24 ft at 1:15PM Jun 07, 2023Observed: 5.23 ft at 1:30PM Jun 07, 2023Observed: 5.24 ft at 1:45PM Jun 07, 2023Observed: 5.24 ft at 2:00PM Jun 07, 2023Observed: 5.24 ft at 2:15PM Jun 07, 2023Observed: 5.23 ft at 2:30PM Jun 07, 2023Observed: 5.24 ft at 2:45PM Jun 07, 2023Observed: 5.23 ft at 3:00PM Jun 07, 2023Observed: 5.24 ft at 3:15PM Jun 07, 2023Observed: 5.24 ft at 3:30PM Jun 07, 2023Observed: 5.24 ft at 3:45PM Jun 07, 2023Observed: 5.23 ft at 4:00PM Jun 07, 2023Observed: 5.24 ft at 4:15PM Jun 07, 2023Observed: 5.24 ft at 4:30PM Jun 07, 2023Observed: 5.24 ft at 4:45PM Jun 07, 2023Observed: 5.24 ft at 5:00PM Jun 07, 2023Observed: 5.24 ft at 5:15PM Jun 07, 2023Observed: 5.24 ft at 5:30PM Jun 07, 2023Observed: 5.24 ft at 5:45PM Jun 07, 2023Observed: 5.24 ft at 6:00PM Jun 07, 2023Observed: 5.24 ft at 6:15PM Jun 07, 2023Observed: 5.24 ft at 6:30PM Jun 07, 2023Observed: 5.24 ft at 6:45PM Jun 07, 2023Observed: 5.24 ft at 7:00PM Jun 07, 2023Observed: 5.24 ft at 7:15PM Jun 07, 2023Observed: 5.24 ft at 7:30PM Jun 07, 2023Observed: 5.24 ft at 7:45PM Jun 07, 2023Observed: 5.24 ft at 8:00PM Jun 07, 2023Observed: 5.24 ft at 8:15PM Jun 07, 2023Observed: 5.24 ft at 8:30PM Jun 07, 2023Observed: 5.24 ft at 8:45PM Jun 07, 2023Observed: 5.24 ft at 9:00PM Jun 07, 2023Observed: 5.24 ft at 9:15PM Jun 07, 2023Observed: 5.24 ft at 9:30PM Jun 07, 2023Observed: 5.24 ft at 9:45PM Jun 07, 2023Observed: 5.23 ft at 10:00PM Jun 07, 2023Observed: 5.23 ft at 10:15PM Jun 07, 2023Observed: 5.23 ft at 10:30PM Jun 07, 2023Observed: 5.23 ft at 10:45PM Jun 07, 2023Observed: 5.23 ft at 11:00PM Jun 07, 2023Observed: 5.23 ft at 11:15PM Jun 07, 2023Observed: 5.23 ft at 11:30PM Jun 07, 2023Observed: 5.23 ft at 11:45PM Jun 07, 2023Observed: 5.23 ft at 12:00AM Jun 08, 2023Observed: 5.23 ft at 12:15AM Jun 08, 2023Observed: 5.23 ft at 12:30AM Jun 08, 2023Observed: 5.23 ft at 12:45AM Jun 08, 2023Observed: 5.23 ft at 1:00AM Jun 08, 2023Observed: 5.23 ft at 1:15AM Jun 08, 2023Observed: 5.22 ft at 2:30AM Jun 08, 2023Observed: 5.23 ft at 2:45AM Jun 08, 2023Observed: 5.23 ft at 3:00AM Jun 08, 2023Observed: 5.22 ft at 3:15AM Jun 08, 2023Observed: 5.22 ft at 3:30AM Jun 08, 2023Observed: 5.22 ft at 3:45AM Jun 08, 2023Observed: 5.22 ft at 4:00AM Jun 08, 2023Observed: 5.22 ft at 4:15AM Jun 08, 2023Observed: 5.22 ft at 4:30AM Jun 08, 2023Observed: 5.22 ft at 4:45AM Jun 08, 2023Observed: 5.22 ft at 5:00AM Jun 08, 2023Observed: 5.22 ft at 5:15AM Jun 08, 2023Observed: 5.22 ft at 5:30AM Jun 08, 2023Observed: 5.22 ft at 5:45AM Jun 08, 2023Observed: 5.22 ft at 6:00AM Jun 08, 2023Observed: 5.22 ft at 6:15AM Jun 08, 2023Observed: 5.22 ft at 6:30AM Jun 08, 2023Observed: 5.23 ft at 6:45AM Jun 08, 2023Observed: 5.23 ft at 7:00AM Jun 08, 2023Observed: 5.22 ft at 7:15AM Jun 08, 2023Observed: 5.22 ft at 7:30AM Jun 08, 2023Observed: 5.22 ft at 7:45AM Jun 08, 2023Observed: 5.22 ft at 8:00AM Jun 08, 2023Observed: 5.22 ft at 8:15AM Jun 08, 2023Observed: 5.23 ft at 8:30AM Jun 08, 2023Observed: 5.22 ft at 8:45AM Jun 08, 2023Observed: 5.23 ft at 9:00AM Jun 08, 2023Observed: 5.23 ft at 9:15AM Jun 08, 2023Observed: 5.23 ft at 9:30AM Jun 08, 2023Observed: 5.23 ft at 9:45AM Jun 08, 2023Observed: 5.23 ft at 10:00AM Jun 08, 2023Observed: 5.23 ft at 10:15AM Jun 08, 2023Observed: 5.23 ft at 10:30AM Jun 08, 2023Observed: 5.23 ft at 10:45AM Jun 08, 2023Observed: 5.23 ft at 11:00AM Jun 08, 2023Observed: 5.23 ft at 11:15AM Jun 08, 2023Observed: 5.23 ft at 11:30AM Jun 08, 2023Observed: 5.23 ft at 11:45AM Jun 08, 2023Observed: 5.23 ft at 12:00PM Jun 08, 2023Observed: 5.23 ft at 12:15PM Jun 08, 2023Observed: 5.23 ft at 12:30PM Jun 08, 2023Observed: 5.23 ft at 12:45PM Jun 08, 2023Observed: 5.23 ft at 1:00PM Jun 08, 2023Observed: 5.23 ft at 1:15PM Jun 08, 2023Observed: 5.23 ft at 1:30PM Jun 08, 2023Observed: 5.23 ft at 1:45PM Jun 08, 2023Observed: 5.23 ft at 2:00PM Jun 08, 2023Observed: 5.23 ft at 2:15PM Jun 08, 2023Observed: 5.23 ft at 2:30PM Jun 08, 2023Observed: 5.23 ft at 2:45PM Jun 08, 2023Observed: 5.23 ft at 3:00PM Jun 08, 2023Observed: 5.23 ft at 3:15PM Jun 08, 2023Observed: 5.23 ft at 3:30PM Jun 08, 2023Observed: 5.23 ft at 3:45PM Jun 08, 2023Observed: 5.23 ft at 4:00PM Jun 08, 2023Observed: 5.23 ft at 4:15PM Jun 08, 2023Observed: 5.23 ft at 4:30PM Jun 08, 2023Observed: 5.23 ft at 4:45PM Jun 08, 2023Observed: 5.22 ft at 5:00PM Jun 08, 2023Observed: 5.23 ft at 5:15PM Jun 08, 2023Observed: 5.23 ft at 5:30PM Jun 08, 2023Observed: 5.23 ft at 5:45PM Jun 08, 2023Observed: 5.23 ft at 6:00PM Jun 08, 2023Observed: 5.23 ft at 6:15PM Jun 08, 2023Observed: 5.23 ft at 6:30PM Jun 08, 2023Observed: 5.23 ft at 6:45PM Jun 08, 2023Observed: 5.22 ft at 7:00PM Jun 08, 2023Observed: 5.22 ft at 7:15PM Jun 08, 2023Observed: 5.22 ft at 7:30PM Jun 08, 2023Observed: 5.22 ft at 7:45PM Jun 08, 2023Observed: 5.22 ft at 8:00PM Jun 08, 2023Observed: 5.22 ft at 8:15PM Jun 08, 2023Observed: 5.22 ft at 8:30PM Jun 08, 2023Observed: 5.22 ft at 8:45PM Jun 08, 2023Observed: 5.22 ft at 9:00PM Jun 08, 2023Observed: 5.22 ft at 9:15PM Jun 08, 2023Observed: 5.22 ft at 9:30PM Jun 08, 2023Observed: 5.22 ft at 9:45PM Jun 08, 2023Observed: 5.22 ft at 10:00PM Jun 08, 2023Observed: 5.22 ft at 10:15PM Jun 08, 2023Observed: 5.22 ft at 10:30PM Jun 08, 2023Observed: 5.22 ft at 10:45PM Jun 08, 2023Observed: 5.22 ft at 11:00PM Jun 08, 2023Observed: 5.22 ft at 11:15PM Jun 08, 2023Observed: 5.22 ft at 11:30PM Jun 08, 2023Observed: 5.22 ft at 11:45PM Jun 08, 2023Observed: 5.22 ft at 12:00AM Jun 09, 2023Observed: 5.22 ft at 12:15AM Jun 09, 2023Observed: 5.22 ft at 12:30AM Jun 09, 2023Observed: 5.22 ft at 12:45AM Jun 09, 2023Observed: 5.22 ft at 1:00AM Jun 09, 2023Observed: 5.22 ft at 1:15AM Jun 09, 2023Observed: 5.22 ft at 1:30AM Jun 09, 2023Observed: 5.22 ft at 1:45AM Jun 09, 2023Observed: 5.22 ft at 2:00AM Jun 09, 2023Observed: 5.22 ft at 2:15AM Jun 09, 2023Observed: 5.22 ft at 3:30AM Jun 09, 2023Observed: 5.22 ft at 3:45AM Jun 09, 2023Observed: 5.22 ft at 4:00AM Jun 09, 2023Observed: 5.22 ft at 4:15AM Jun 09, 2023Observed: 5.22 ft at 4:30AM Jun 09, 2023Observed: 5.22 ft at 4:45AM Jun 09, 2023Observed: 5.22 ft at 5:00AM Jun 09, 2023Observed: 5.22 ft at 5:15AM Jun 09, 2023Observed: 5.22 ft at 5:30AM Jun 09, 2023Observed: 5.22 ft at 5:45AM Jun 09, 2023Observed: 5.22 ft at 6:00AM Jun 09, 2023Observed: 5.22 ft at 6:15AM Jun 09, 2023Observed: 5.22 ft at 6:30AM Jun 09, 2023Observed: 5.22 ft at 6:45AM Jun 09, 2023Observed: 5.22 ft at 7:00AM Jun 09, 2023Observed: 5.22 ft at 7:15AM Jun 09, 2023Observed: 5.22 ft at 7:30AM Jun 09, 2023Observed: 5.22 ft at 7:45AM Jun 09, 2023Observed: 5.22 ft at 8:00AM Jun 09, 2023Observed: 5.22 ft at 8:15AM Jun 09, 2023Observed: 5.22 ft at 9:30AM Jun 09, 2023Observed: 5.22 ft at 9:45AM Jun 09, 2023Observed: 5.22 ft at 10:00AM Jun 09, 2023Observed: 5.22 ft at 10:15AM Jun 09, 2023Observed: 5.22 ft at 10:30AM Jun 09, 2023Observed: 5.22 ft at 10:45AM Jun 09, 2023Observed: 5.22 ft at 11:00AM Jun 09, 2023Observed: 5.22 ft at 11:15AM Jun 09, 2023Observed: 5.22 ft at 11:30AM Jun 09, 2023Observed: 5.21 ft at 11:45AM Jun 09, 2023Observed: 5.22 ft at 12:00PM Jun 09, 2023Observed: 5.22 ft at 12:15PM Jun 09, 2023Observed: 5.22 ft at 12:30PM Jun 09, 2023Observed: 5.21 ft at 12:45PM Jun 09, 2023Observed: 5.21 ft at 1:00PM Jun 09, 2023Observed: 5.21 ft at 1:15PM Jun 09, 2023Observed: 5.21 ft at 1:30PM Jun 09, 2023Observed: 5.21 ft at 1:45PM Jun 09, 2023Observed: 5.21 ft at 2:00PM Jun 09, 2023Observed: 5.21 ft at 2:15PM Jun 09, 2023Observed: 5.21 ft at 2:30PM Jun 09, 2023Observed: 5.21 ft at 2:45PM Jun 09, 2023Observed: 5.21 ft at 3:00PM Jun 09, 2023Observed: 5.21 ft at 3:15PM Jun 09, 2023Observed: 5.22 ft at 3:30PM Jun 09, 2023Observed: 5.22 ft at 3:45PM Jun 09, 2023Observed: 5.21 ft at 4:00PM Jun 09, 2023Observed: 5.21 ft at 4:15PM Jun 09, 2023Observed: 5.21 ft at 4:30PM Jun 09, 2023Observed: 5.22 ft at 4:45PM Jun 09, 2023Observed: 5.22 ft at 5:00PM Jun 09, 2023Observed: 5.21 ft at 5:15PM Jun 09, 2023Observed: 5.21 ft at 5:30PM Jun 09, 2023Observed: 5.21 ft at 5:45PM Jun 09, 2023Observed: 5.21 ft at 6:00PM Jun 09, 2023Observed: 5.21 ft at 6:15PM Jun 09, 2023Observed: 5.21 ft at 6:30PM Jun 09, 2023Observed: 5.22 ft at 6:45PM Jun 09, 2023Observed: 5.21 ft at 7:00PM Jun 09, 2023Observed: 5.21 ft at 7:15PM Jun 09, 2023Observed: 5.21 ft at 7:30PM Jun 09, 2023Observed: 5.21 ft at 7:45PM Jun 09, 2023Observed: 5.21 ft at 8:00PM Jun 09, 2023Observed: 5.21 ft at 8:15PM Jun 09, 2023Observed: 5.21 ft at 8:30PM Jun 09, 2023Observed: 5.21 ft at 8:45PM Jun 09, 2023Observed: 5.21 ft at 9:00PM Jun 09, 2023Observed: 5.21 ft at 9:15PM Jun 09, 2023Observed: 5.2 ft at 9:30PM Jun 09, 2023Observed: 5.2 ft at 9:45PM Jun 09, 2023Observed: 5.2 ft at 10:00PM Jun 09, 2023Observed: 5.2 ft at 10:15PM Jun 09, 2023Observed: 5.2 ft at 10:30PM Jun 09, 2023Observed: 5.2 ft at 10:45PM Jun 09, 2023Observed: 5.2 ft at 11:00PM Jun 09, 2023Observed: 5.2 ft at 11:15PM Jun 09, 2023Forecast: 5.2 ft 2:00AM Jun 10, 2023Forecast: 5.2 ft 8:00AM Jun 10, 2023Forecast: 5.2 ft 2:00PM Jun 10, 2023Forecast: 5.2 ft 8:00PM Jun 10, 2023Forecast: 5.2 ft 2:00AM Jun 11, 2023Forecast: 5.2 ft 8:00AM Jun 11, 2023Highest Forecast: 5.3 ft 2:00PM Jun 11, 2023Highest Forecast: 5.3 ft 8:00PM Jun 11, 2023Highest Forecast: 5.3 ft 2:00AM Jun 12, 2023Highest Forecast: 5.3 ft 8:00AM Jun 12, 2023USGS--Water Resources of the United StatesTKSN4(plotting HGIRG) Graph Created (11:48PM Jun 9, 2023)ObservedForecast (issued 9:30AM Jun 9)Latest observed value: 5.2 ft at 11:15 PM EDT 9-Jun-2023. Flood Stage is 21 ft
Printable Image
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) 20.08 ft on 01/25/2018 (P)
(2) 24.95 ft on 09/09/2011
(3) 23.21 ft on 08/29/2011
(4) 22.88 ft on 03/12/2011
(5) 20.54 ft on 03/07/2011
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
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

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
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities