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: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.



Hydrograph River at a Glance Download Inundation
Mapping
Delaware River at Trenton Stage (ft)Flow (kcfs)Observed: 11.37 ft at 11:15AM Sep 28, 2023Observed: 11.36 ft at 11:30AM Sep 28, 2023Observed: 11.35 ft at 11:45AM Sep 28, 2023Observed: 11.34 ft at 12:00PM Sep 28, 2023Observed: 11.34 ft at 12:15PM Sep 28, 2023Observed: 11.32 ft at 12:30PM Sep 28, 2023Observed: 11.32 ft at 12:45PM Sep 28, 2023Observed: 11.31 ft at 1:00PM Sep 28, 2023Observed: 11.31 ft at 1:15PM Sep 28, 2023Observed: 11.3 ft at 1:30PM Sep 28, 2023Observed: 11.3 ft at 1:45PM Sep 28, 2023Observed: 11.29 ft at 2:00PM Sep 28, 2023Observed: 11.29 ft at 2:15PM Sep 28, 2023Observed: 11.28 ft at 2:30PM Sep 28, 2023Observed: 11.28 ft at 2:45PM Sep 28, 2023Observed: 11.27 ft at 3:00PM Sep 28, 2023Observed: 11.27 ft at 3:15PM Sep 28, 2023Observed: 11.26 ft at 3:30PM Sep 28, 2023Observed: 11.24 ft at 3:45PM Sep 28, 2023Observed: 11.23 ft at 4:00PM Sep 28, 2023Observed: 11.22 ft at 4:15PM Sep 28, 2023Observed: 11.2 ft at 4:30PM Sep 28, 2023Observed: 11.19 ft at 4:45PM Sep 28, 2023Observed: 11.18 ft at 5:00PM Sep 28, 2023Observed: 11.17 ft at 5:15PM Sep 28, 2023Observed: 11.17 ft at 5:30PM Sep 28, 2023Observed: 11.16 ft at 5:45PM Sep 28, 2023Observed: 11.15 ft at 6:00PM Sep 28, 2023Observed: 11.14 ft at 6:15PM Sep 28, 2023Observed: 11.14 ft at 6:30PM Sep 28, 2023Observed: 11.13 ft at 6:45PM Sep 28, 2023Observed: 11.12 ft at 7:00PM Sep 28, 2023Observed: 11.11 ft at 7:15PM Sep 28, 2023Observed: 11.11 ft at 7:30PM Sep 28, 2023Observed: 11.1 ft at 7:45PM Sep 28, 2023Observed: 11.09 ft at 8:00PM Sep 28, 2023Observed: 11.09 ft at 8:15PM Sep 28, 2023Observed: 11.08 ft at 8:30PM Sep 28, 2023Observed: 11.07 ft at 8:45PM Sep 28, 2023Observed: 11.06 ft at 9:00PM Sep 28, 2023Observed: 11.06 ft at 9:15PM Sep 28, 2023Observed: 11.05 ft at 9:30PM Sep 28, 2023Observed: 11.05 ft at 9:45PM Sep 28, 2023Observed: 11.04 ft at 10:00PM Sep 28, 2023Observed: 11.03 ft at 10:15PM Sep 28, 2023Observed: 11.03 ft at 10:30PM Sep 28, 2023Observed: 11.02 ft at 10:45PM Sep 28, 2023Observed: 11.02 ft at 11:00PM Sep 28, 2023Observed: 11.01 ft at 11:15PM Sep 28, 2023Observed: 11 ft at 11:30PM Sep 28, 2023Observed: 10.99 ft at 11:45PM Sep 28, 2023Observed: 10.98 ft at 12:00AM Sep 29, 2023Observed: 10.98 ft at 12:15AM Sep 29, 2023Observed: 10.98 ft at 12:30AM Sep 29, 2023Observed: 10.97 ft at 12:45AM Sep 29, 2023Observed: 10.97 ft at 1:00AM Sep 29, 2023Observed: 10.97 ft at 1:15AM Sep 29, 2023Observed: 10.97 ft at 1:30AM Sep 29, 2023Observed: 10.96 ft at 1:45AM Sep 29, 2023Observed: 10.96 ft at 2:00AM Sep 29, 2023Observed: 10.96 ft at 2:15AM Sep 29, 2023Observed: 10.96 ft at 2:30AM Sep 29, 2023Observed: 10.96 ft at 2:45AM Sep 29, 2023Observed: 10.96 ft at 3:00AM Sep 29, 2023Observed: 10.95 ft at 3:15AM Sep 29, 2023Observed: 10.95 ft at 3:30AM Sep 29, 2023Observed: 10.94 ft at 3:45AM Sep 29, 2023Observed: 10.93 ft at 4:00AM Sep 29, 2023Observed: 10.92 ft at 4:15AM Sep 29, 2023Observed: 10.9 ft at 4:30AM Sep 29, 2023Observed: 10.89 ft at 4:45AM Sep 29, 2023Observed: 10.89 ft at 5:00AM Sep 29, 2023Observed: 10.88 ft at 5:15AM Sep 29, 2023Observed: 10.88 ft at 5:30AM Sep 29, 2023Observed: 10.88 ft at 5:45AM Sep 29, 2023Observed: 10.89 ft at 6:00AM Sep 29, 2023Observed: 10.9 ft at 6:15AM Sep 29, 2023Observed: 10.9 ft at 6:30AM Sep 29, 2023Observed: 10.92 ft at 6:45AM Sep 29, 2023Observed: 10.94 ft at 7:00AM Sep 29, 2023Observed: 10.95 ft at 7:15AM Sep 29, 2023Observed: 10.97 ft at 7:30AM Sep 29, 2023Observed: 10.99 ft at 7:45AM Sep 29, 2023Observed: 11.02 ft at 8:00AM Sep 29, 2023Observed: 11.04 ft at 8:15AM Sep 29, 2023Observed: 11.07 ft at 8:30AM Sep 29, 2023Observed: 11.1 ft at 8:45AM Sep 29, 2023Observed: 11.14 ft at 9:00AM Sep 29, 2023Observed: 11.17 ft at 9:15AM Sep 29, 2023Observed: 11.2 ft at 9:30AM Sep 29, 2023Observed: 11.25 ft at 9:45AM Sep 29, 2023Observed: 11.29 ft at 10:00AM Sep 29, 2023Observed: 11.34 ft at 10:15AM Sep 29, 2023Observed: 11.39 ft at 10:30AM Sep 29, 2023Observed: 11.43 ft at 10:45AM Sep 29, 2023Observed: 11.48 ft at 11:00AM Sep 29, 2023Observed: 11.52 ft at 11:15AM Sep 29, 2023Observed: 11.57 ft at 11:30AM Sep 29, 2023Observed: 11.61 ft at 11:45AM Sep 29, 2023Observed: 11.65 ft at 12:00PM Sep 29, 2023Observed: 11.69 ft at 12:15PM Sep 29, 2023Observed: 11.72 ft at 12:30PM Sep 29, 2023Observed: 11.76 ft at 12:45PM Sep 29, 2023Observed: 11.79 ft at 1:00PM Sep 29, 2023Observed: 11.81 ft at 1:15PM Sep 29, 2023Observed: 11.84 ft at 1:30PM Sep 29, 2023Observed: 11.85 ft at 1:45PM Sep 29, 2023Observed: 11.86 ft at 2:00PM Sep 29, 2023Observed: 11.85 ft at 2:15PM Sep 29, 2023Observed: 11.86 ft at 2:30PM Sep 29, 2023Highest Observation: 11.87 ft at 2:45PM Sep 29, 2023Observed: 11.85 ft at 3:00PM Sep 29, 2023Observed: 11.84 ft at 3:15PM Sep 29, 2023Observed: 11.82 ft at 3:30PM Sep 29, 2023Observed: 11.8 ft at 3:45PM Sep 29, 2023Observed: 11.78 ft at 4:00PM Sep 29, 2023Observed: 11.76 ft at 4:15PM Sep 29, 2023Observed: 11.73 ft at 4:30PM Sep 29, 2023Observed: 11.69 ft at 4:45PM Sep 29, 2023Observed: 11.65 ft at 5:00PM Sep 29, 2023Observed: 11.63 ft at 5:15PM Sep 29, 2023Observed: 11.59 ft at 5:30PM Sep 29, 2023Observed: 11.56 ft at 5:45PM Sep 29, 2023Observed: 11.53 ft at 6:00PM Sep 29, 2023Observed: 11.5 ft at 6:15PM Sep 29, 2023Observed: 11.47 ft at 6:30PM Sep 29, 2023Observed: 11.44 ft at 6:45PM Sep 29, 2023Observed: 11.41 ft at 7:00PM Sep 29, 2023Observed: 11.39 ft at 7:15PM Sep 29, 2023Observed: 11.36 ft at 7:30PM Sep 29, 2023Observed: 11.34 ft at 7:45PM Sep 29, 2023Observed: 11.32 ft at 8:00PM Sep 29, 2023Observed: 11.3 ft at 8:15PM Sep 29, 2023Observed: 11.28 ft at 8:30PM Sep 29, 2023Observed: 11.26 ft at 8:45PM Sep 29, 2023Observed: 11.24 ft at 9:00PM Sep 29, 2023Observed: 11.22 ft at 9:15PM Sep 29, 2023Observed: 11.2 ft at 9:30PM Sep 29, 2023Observed: 11.19 ft at 9:45PM Sep 29, 2023Observed: 11.17 ft at 10:00PM Sep 29, 2023Observed: 11.15 ft at 10:15PM Sep 29, 2023Observed: 11.14 ft at 10:30PM Sep 29, 2023Observed: 11.12 ft at 10:45PM Sep 29, 2023Observed: 11.1 ft at 11:00PM Sep 29, 2023Observed: 11.09 ft at 11:15PM Sep 29, 2023Observed: 11.07 ft at 11:30PM Sep 29, 2023Observed: 11.06 ft at 11:45PM Sep 29, 2023Observed: 11.04 ft at 12:00AM Sep 30, 2023Observed: 11.02 ft at 12:15AM Sep 30, 2023Observed: 11.01 ft at 12:30AM Sep 30, 2023Observed: 10.99 ft at 12:45AM Sep 30, 2023Observed: 10.98 ft at 1:00AM Sep 30, 2023Observed: 10.97 ft at 1:15AM Sep 30, 2023Observed: 10.95 ft at 1:30AM Sep 30, 2023Observed: 10.94 ft at 1:45AM Sep 30, 2023Observed: 10.93 ft at 2:00AM Sep 30, 2023Observed: 10.92 ft at 2:15AM Sep 30, 2023Observed: 10.91 ft at 2:30AM Sep 30, 2023Observed: 10.9 ft at 2:45AM Sep 30, 2023Observed: 10.9 ft at 3:00AM Sep 30, 2023Observed: 10.89 ft at 3:15AM Sep 30, 2023Observed: 10.89 ft at 3:30AM Sep 30, 2023Observed: 10.88 ft at 3:45AM Sep 30, 2023Observed: 10.87 ft at 4:00AM Sep 30, 2023Observed: 10.86 ft at 4:15AM Sep 30, 2023Observed: 10.85 ft at 4:30AM Sep 30, 2023Observed: 10.84 ft at 4:45AM Sep 30, 2023Observed: 10.83 ft at 5:00AM Sep 30, 2023Observed: 10.81 ft at 5:15AM Sep 30, 2023Observed: 10.8 ft at 5:30AM Sep 30, 2023Observed: 10.79 ft at 5:45AM Sep 30, 2023Observed: 10.78 ft at 6:00AM Sep 30, 2023Observed: 10.77 ft at 6:15AM Sep 30, 2023Observed: 10.77 ft at 6:30AM Sep 30, 2023Observed: 10.76 ft at 6:45AM Sep 30, 2023Observed: 10.75 ft at 7:00AM Sep 30, 2023Observed: 10.75 ft at 7:15AM Sep 30, 2023Observed: 10.74 ft at 7:30AM Sep 30, 2023Observed: 10.74 ft at 7:45AM Sep 30, 2023Observed: 10.73 ft at 8:00AM Sep 30, 2023Observed: 10.73 ft at 8:15AM Sep 30, 2023Observed: 10.73 ft at 8:30AM Sep 30, 2023Observed: 10.72 ft at 8:45AM Sep 30, 2023Observed: 10.72 ft at 9:00AM Sep 30, 2023Observed: 10.72 ft at 9:15AM Sep 30, 2023Observed: 10.72 ft at 9:30AM Sep 30, 2023Observed: 10.71 ft at 9:45AM Sep 30, 2023Observed: 10.71 ft at 10:00AM Sep 30, 2023Observed: 10.71 ft at 10:15AM Sep 30, 2023Observed: 10.71 ft at 10:30AM Sep 30, 2023Observed: 10.71 ft at 10:45AM Sep 30, 2023Observed: 10.7 ft at 11:00AM Sep 30, 2023Observed: 10.7 ft at 11:15AM Sep 30, 2023Observed: 10.7 ft at 11:30AM Sep 30, 2023Observed: 10.7 ft at 11:45AM Sep 30, 2023Observed: 10.7 ft at 12:00PM Sep 30, 2023Observed: 10.7 ft at 12:15PM Sep 30, 2023Observed: 10.7 ft at 12:30PM Sep 30, 2023Observed: 10.7 ft at 12:45PM Sep 30, 2023Observed: 10.69 ft at 1:00PM Sep 30, 2023Observed: 10.69 ft at 1:15PM Sep 30, 2023Observed: 10.69 ft at 1:30PM Sep 30, 2023Observed: 10.69 ft at 1:45PM Sep 30, 2023Observed: 10.69 ft at 2:00PM Sep 30, 2023Observed: 10.69 ft at 2:15PM Sep 30, 2023Observed: 10.69 ft at 2:30PM Sep 30, 2023Observed: 10.69 ft at 2:45PM Sep 30, 2023Observed: 10.69 ft at 3:00PM Sep 30, 2023Observed: 10.69 ft at 3:15PM Sep 30, 2023Observed: 10.69 ft at 3:30PM Sep 30, 2023Observed: 10.7 ft at 3:45PM Sep 30, 2023Observed: 10.7 ft at 4:00PM Sep 30, 2023Observed: 10.71 ft at 4:15PM Sep 30, 2023Observed: 10.71 ft at 4:30PM Sep 30, 2023Observed: 10.71 ft at 4:45PM Sep 30, 2023Observed: 10.71 ft at 5:00PM Sep 30, 2023Observed: 10.71 ft at 5:15PM Sep 30, 2023Observed: 10.7 ft at 5:30PM Sep 30, 2023Observed: 10.7 ft at 5:45PM Sep 30, 2023Observed: 10.69 ft at 6:00PM Sep 30, 2023Observed: 10.69 ft at 6:15PM Sep 30, 2023Observed: 10.69 ft at 6:30PM Sep 30, 2023Observed: 10.69 ft at 6:45PM Sep 30, 2023Observed: 10.69 ft at 7:00PM Sep 30, 2023Observed: 10.7 ft at 7:15PM Sep 30, 2023Observed: 10.7 ft at 7:30PM Sep 30, 2023Observed: 10.71 ft at 7:45PM Sep 30, 2023Observed: 10.72 ft at 8:00PM Sep 30, 2023Observed: 10.72 ft at 8:15PM Sep 30, 2023Observed: 10.73 ft at 8:30PM Sep 30, 2023Observed: 10.74 ft at 8:45PM Sep 30, 2023Observed: 10.74 ft at 9:00PM Sep 30, 2023Observed: 10.75 ft at 9:15PM Sep 30, 2023Observed: 10.76 ft at 9:30PM Sep 30, 2023Observed: 10.77 ft at 9:45PM Sep 30, 2023Observed: 10.77 ft at 10:00PM Sep 30, 2023Observed: 10.78 ft at 10:15PM Sep 30, 2023Observed: 10.79 ft at 10:30PM Sep 30, 2023Observed: 10.8 ft at 10:45PM Sep 30, 2023Observed: 10.8 ft at 11:00PM Sep 30, 2023Observed: 10.81 ft at 11:15PM Sep 30, 2023Observed: 10.82 ft at 11:30PM Sep 30, 2023Observed: 10.82 ft at 11:45PM Sep 30, 2023Observed: 10.82 ft at 12:00AM Oct 01, 2023Observed: 10.83 ft at 12:15AM Oct 01, 2023Observed: 10.83 ft at 12:30AM Oct 01, 2023Observed: 10.84 ft at 12:45AM Oct 01, 2023Observed: 10.84 ft at 1:00AM Oct 01, 2023Observed: 10.84 ft at 1:15AM Oct 01, 2023Observed: 10.84 ft at 1:30AM Oct 01, 2023Observed: 10.84 ft at 1:45AM Oct 01, 2023Observed: 10.84 ft at 2:00AM Oct 01, 2023Observed: 10.85 ft at 2:15AM Oct 01, 2023Observed: 10.84 ft at 2:30AM Oct 01, 2023Observed: 10.84 ft at 2:45AM Oct 01, 2023Observed: 10.84 ft at 3:00AM Oct 01, 2023Observed: 10.84 ft at 3:15AM Oct 01, 2023Observed: 10.84 ft at 3:30AM Oct 01, 2023Observed: 10.84 ft at 3:45AM Oct 01, 2023Observed: 10.84 ft at 4:00AM Oct 01, 2023Observed: 10.84 ft at 4:15AM Oct 01, 2023Observed: 10.84 ft at 4:30AM Oct 01, 2023Observed: 10.84 ft at 4:45AM Oct 01, 2023Observed: 10.84 ft at 5:00AM Oct 01, 2023Observed: 10.83 ft at 5:15AM Oct 01, 2023Observed: 10.82 ft at 5:30AM Oct 01, 2023Observed: 10.81 ft at 5:45AM Oct 01, 2023Observed: 10.8 ft at 6:00AM Oct 01, 2023Observed: 10.79 ft at 6:15AM Oct 01, 2023Observed: 10.77 ft at 6:30AM Oct 01, 2023Observed: 10.77 ft at 6:45AM Oct 01, 2023Observed: 10.76 ft at 7:00AM Oct 01, 2023Observed: 10.75 ft at 7:15AM Oct 01, 2023Observed: 10.74 ft at 7:30AM Oct 01, 2023Observed: 10.73 ft at 7:45AM Oct 01, 2023Observed: 10.72 ft at 8:00AM Oct 01, 2023Observed: 10.71 ft at 8:15AM Oct 01, 2023Observed: 10.7 ft at 8:30AM Oct 01, 2023Observed: 10.69 ft at 8:45AM Oct 01, 2023Observed: 10.69 ft at 9:00AM Oct 01, 2023Observed: 10.68 ft at 9:15AM Oct 01, 2023Observed: 10.67 ft at 9:30AM Oct 01, 2023Observed: 10.66 ft at 9:45AM Oct 01, 2023Observed: 10.65 ft at 10:00AM Oct 01, 2023Observed: 10.64 ft at 10:15AM Oct 01, 2023Highest Forecast: 10.5 ft 2:00PM Oct 01, 2023Forecast: 10.4 ft 8:00PM Oct 01, 2023Forecast: 10.4 ft 2:00AM Oct 02, 2023Forecast: 10.3 ft 8:00AM Oct 02, 2023Forecast: 10.2 ft 2:00PM Oct 02, 2023Forecast: 10.2 ft 8:00PM Oct 02, 2023Forecast: 10.1 ft 2:00AM Oct 03, 2023Forecast: 10.1 ft 8:00AM Oct 03, 2023Forecast: 10 ft 2:00PM Oct 03, 2023Forecast: 9.9 ft 8:00PM Oct 03, 2023Forecast: 9.9 ft 2:00AM Oct 04, 2023Forecast: 9.8 ft 8:00AM Oct 04, 2023USGS--Water Resources of the United StatesTREN4(plotting HGIRG) Graph Created (11:03AM Oct 1, 2023)ObservedForecast (issued 9:20AM Oct 1)Latest observed value: 10.64 ft at 10:15 AM EDT 1-Oct-2023. Flood Stage is 20 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 Trenton are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Washington Crossing Upstream Gauge Downstream Gauge Downstream Gauge - at Newbold Island (IN MLLW)
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 23
Flood Stage: 20
Action Stage: 17
Low Stage (in feet): 0

Historic Crests
(1) 30.60 ft on 03/08/1904
(2) 28.60 ft on 08/20/1955
(3) 28.50 ft on 10/11/1903
(4) 25.33 ft on 04/04/2005
(5) 25.09 ft on 06/29/2006
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 20.76 ft on 09/03/2021
(2) 19.93 ft on 01/15/2018 (P)
(3) 16.46 ft on 05/01/2014
(4) 20.76 ft on 01/09/2014
(5) 22.16 ft on 09/09/2011
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
25 The Delaware River meets the Delaware Canal, backfilling the Rivermawr and Flats neighborhoods making all roads east of the canal impassable.
24.5 Carr's Lane in Yardley begins to flood.
23 North and South Bell Avenues in Yardley begin to flood.
22 Route 32 in Yardley is flooded in both directions. Up to two feet of water covers portions of Morgan Avenue, Brown Street, Maple Avenue, and Fuld Avenue.
21.5 Ferry Street in Yardley begins to flood.
20 Houses on Brown Street in Yardley begin to take on water. Houses on Afton Avenue also take on water. Southbound lanes are closed along stretches of Route 29 in Trenton. Route 32 North is closed in Yardley borough. River Road (Route 32), north of Woodside Road and south of Mt. Eyre Road, in Lower Makefield Township, begins to flood.
19.5 Morgan Avenue in Yardley Borough begins to flood. River Road (PA Rt 32) at East Ferry Road in Lower Makefield Township begins to flood.
18.5 Route 32 South at East College Avenue in Yardley borough begins to flood.
18 Route 32 North is closed between Brown Street and Maple Avenue.
17 Pa Route 32 North in Yardley Borough begins to flood between Brown Street and Maple Avenue.
Photos
(1) Ice at the Trenton Gage
About This Location Collapse

Latitude: 40.221667° N, Longitude: 74.778056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 20 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 0 ft 20 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