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
Bookmark and Share Navigation Bar End Cap

  
 

Web Portal Changes:

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download Inundation
Mapping
Delaware River at Trenton Stage (ft)Flow (kcfs)Highest Observation: 13.56 ft at 7:45AM Mar 25, 2024Observed: 13.55 ft at 8:00AM Mar 25, 2024Observed: 13.54 ft at 8:15AM Mar 25, 2024Observed: 13.52 ft at 8:30AM Mar 25, 2024Observed: 13.52 ft at 8:45AM Mar 25, 2024Observed: 13.51 ft at 9:00AM Mar 25, 2024Observed: 13.5 ft at 9:15AM Mar 25, 2024Observed: 13.48 ft at 9:30AM Mar 25, 2024Observed: 13.48 ft at 9:45AM Mar 25, 2024Observed: 13.47 ft at 10:00AM Mar 25, 2024Observed: 13.46 ft at 10:15AM Mar 25, 2024Observed: 13.45 ft at 10:30AM Mar 25, 2024Observed: 13.44 ft at 10:45AM Mar 25, 2024Observed: 13.43 ft at 11:00AM Mar 25, 2024Observed: 13.42 ft at 11:15AM Mar 25, 2024Observed: 13.41 ft at 11:30AM Mar 25, 2024Observed: 13.4 ft at 11:45AM Mar 25, 2024Observed: 13.39 ft at 12:00PM Mar 25, 2024Observed: 13.38 ft at 12:15PM Mar 25, 2024Observed: 13.37 ft at 12:30PM Mar 25, 2024Observed: 13.36 ft at 12:45PM Mar 25, 2024Observed: 13.35 ft at 1:00PM Mar 25, 2024Observed: 13.34 ft at 1:15PM Mar 25, 2024Observed: 13.33 ft at 1:30PM Mar 25, 2024Observed: 13.32 ft at 1:45PM Mar 25, 2024Observed: 13.31 ft at 2:00PM Mar 25, 2024Observed: 13.31 ft at 2:15PM Mar 25, 2024Observed: 13.3 ft at 2:30PM Mar 25, 2024Observed: 13.3 ft at 2:45PM Mar 25, 2024Observed: 13.29 ft at 3:00PM Mar 25, 2024Observed: 13.28 ft at 3:15PM Mar 25, 2024Observed: 13.27 ft at 3:30PM Mar 25, 2024Observed: 13.26 ft at 3:45PM Mar 25, 2024Observed: 13.25 ft at 4:00PM Mar 25, 2024Observed: 13.24 ft at 4:15PM Mar 25, 2024Observed: 13.23 ft at 4:30PM Mar 25, 2024Observed: 13.21 ft at 4:45PM Mar 25, 2024Observed: 13.19 ft at 5:00PM Mar 25, 2024Observed: 13.18 ft at 5:15PM Mar 25, 2024Observed: 13.16 ft at 5:30PM Mar 25, 2024Observed: 13.14 ft at 5:45PM Mar 25, 2024Observed: 13.12 ft at 6:00PM Mar 25, 2024Observed: 13.1 ft at 6:15PM Mar 25, 2024Observed: 13.08 ft at 6:30PM Mar 25, 2024Observed: 13.06 ft at 6:45PM Mar 25, 2024Observed: 13.04 ft at 7:00PM Mar 25, 2024Observed: 13.03 ft at 7:15PM Mar 25, 2024Observed: 13.01 ft at 7:30PM Mar 25, 2024Observed: 13 ft at 7:45PM Mar 25, 2024Observed: 12.98 ft at 8:00PM Mar 25, 2024Observed: 12.97 ft at 8:15PM Mar 25, 2024Observed: 12.95 ft at 8:30PM Mar 25, 2024Observed: 12.94 ft at 8:45PM Mar 25, 2024Observed: 12.93 ft at 9:00PM Mar 25, 2024Observed: 12.91 ft at 9:15PM Mar 25, 2024Observed: 12.9 ft at 9:30PM Mar 25, 2024Observed: 12.89 ft at 9:45PM Mar 25, 2024Observed: 12.88 ft at 10:00PM Mar 25, 2024Observed: 12.86 ft at 10:15PM Mar 25, 2024Observed: 12.85 ft at 10:30PM Mar 25, 2024Observed: 12.84 ft at 10:45PM Mar 25, 2024Observed: 12.83 ft at 11:00PM Mar 25, 2024Observed: 12.82 ft at 11:15PM Mar 25, 2024Observed: 12.81 ft at 11:30PM Mar 25, 2024Observed: 12.8 ft at 11:45PM Mar 25, 2024Observed: 12.78 ft at 12:00AM Mar 26, 2024Observed: 12.77 ft at 12:15AM Mar 26, 2024Observed: 12.76 ft at 12:30AM Mar 26, 2024Observed: 12.75 ft at 12:45AM Mar 26, 2024Observed: 12.74 ft at 1:00AM Mar 26, 2024Observed: 12.73 ft at 1:15AM Mar 26, 2024Observed: 12.73 ft at 1:30AM Mar 26, 2024Observed: 12.72 ft at 1:45AM Mar 26, 2024Observed: 12.72 ft at 2:00AM Mar 26, 2024Observed: 12.71 ft at 2:15AM Mar 26, 2024Observed: 12.71 ft at 2:30AM Mar 26, 2024Observed: 12.7 ft at 2:45AM Mar 26, 2024Observed: 12.7 ft at 3:00AM Mar 26, 2024Observed: 12.7 ft at 3:15AM Mar 26, 2024Observed: 12.7 ft at 3:30AM Mar 26, 2024Observed: 12.7 ft at 3:45AM Mar 26, 2024Observed: 12.7 ft at 4:00AM Mar 26, 2024Observed: 12.69 ft at 4:15AM Mar 26, 2024Observed: 12.69 ft at 4:30AM Mar 26, 2024Observed: 12.69 ft at 4:45AM Mar 26, 2024Observed: 12.68 ft at 5:00AM Mar 26, 2024Observed: 12.67 ft at 5:15AM Mar 26, 2024Observed: 12.65 ft at 5:30AM Mar 26, 2024Observed: 12.64 ft at 5:45AM Mar 26, 2024Observed: 12.62 ft at 6:00AM Mar 26, 2024Observed: 12.6 ft at 6:15AM Mar 26, 2024Observed: 12.59 ft at 6:30AM Mar 26, 2024Observed: 12.57 ft at 6:45AM Mar 26, 2024Observed: 12.56 ft at 7:00AM Mar 26, 2024Observed: 12.55 ft at 7:15AM Mar 26, 2024Observed: 12.54 ft at 7:30AM Mar 26, 2024Observed: 12.53 ft at 7:45AM Mar 26, 2024Observed: 12.52 ft at 8:00AM Mar 26, 2024Observed: 12.51 ft at 8:15AM Mar 26, 2024Observed: 12.5 ft at 8:30AM Mar 26, 2024Observed: 12.49 ft at 8:45AM Mar 26, 2024Observed: 12.48 ft at 9:00AM Mar 26, 2024Observed: 12.48 ft at 9:15AM Mar 26, 2024Observed: 12.47 ft at 9:30AM Mar 26, 2024Observed: 12.47 ft at 9:45AM Mar 26, 2024Observed: 12.46 ft at 10:00AM Mar 26, 2024Observed: 12.45 ft at 10:15AM Mar 26, 2024Observed: 12.44 ft at 10:30AM Mar 26, 2024Observed: 12.44 ft at 10:45AM Mar 26, 2024Observed: 12.43 ft at 11:00AM Mar 26, 2024Observed: 12.42 ft at 11:15AM Mar 26, 2024Observed: 12.41 ft at 11:30AM Mar 26, 2024Observed: 12.41 ft at 11:45AM Mar 26, 2024Observed: 12.4 ft at 12:00PM Mar 26, 2024Observed: 12.39 ft at 12:15PM Mar 26, 2024Observed: 12.39 ft at 12:30PM Mar 26, 2024Observed: 12.38 ft at 12:45PM Mar 26, 2024Observed: 12.37 ft at 1:00PM Mar 26, 2024Observed: 12.36 ft at 1:15PM Mar 26, 2024Observed: 12.35 ft at 1:30PM Mar 26, 2024Observed: 12.35 ft at 1:45PM Mar 26, 2024Observed: 12.34 ft at 2:00PM Mar 26, 2024Observed: 12.34 ft at 2:15PM Mar 26, 2024Observed: 12.34 ft at 2:30PM Mar 26, 2024Observed: 12.33 ft at 2:45PM Mar 26, 2024Observed: 12.32 ft at 3:00PM Mar 26, 2024Observed: 12.32 ft at 3:15PM Mar 26, 2024Observed: 12.32 ft at 3:30PM Mar 26, 2024Observed: 12.32 ft at 3:45PM Mar 26, 2024Observed: 12.31 ft at 4:00PM Mar 26, 2024Observed: 12.31 ft at 4:15PM Mar 26, 2024Observed: 12.31 ft at 4:30PM Mar 26, 2024Observed: 12.3 ft at 4:45PM Mar 26, 2024Observed: 12.3 ft at 5:00PM Mar 26, 2024Observed: 12.29 ft at 5:15PM Mar 26, 2024Observed: 12.28 ft at 5:30PM Mar 26, 2024Observed: 12.27 ft at 5:45PM Mar 26, 2024Observed: 12.25 ft at 6:00PM Mar 26, 2024Observed: 12.23 ft at 6:15PM Mar 26, 2024Observed: 12.22 ft at 6:30PM Mar 26, 2024Observed: 12.2 ft at 6:45PM Mar 26, 2024Observed: 12.19 ft at 7:00PM Mar 26, 2024Observed: 12.18 ft at 7:15PM Mar 26, 2024Observed: 12.16 ft at 7:30PM Mar 26, 2024Observed: 12.16 ft at 7:45PM Mar 26, 2024Observed: 12.15 ft at 8:00PM Mar 26, 2024Observed: 12.14 ft at 8:15PM Mar 26, 2024Observed: 12.13 ft at 8:30PM Mar 26, 2024Observed: 12.13 ft at 8:45PM Mar 26, 2024Observed: 12.12 ft at 9:00PM Mar 26, 2024Observed: 12.11 ft at 9:15PM Mar 26, 2024Observed: 12.1 ft at 9:30PM Mar 26, 2024Observed: 12.1 ft at 9:45PM Mar 26, 2024Observed: 12.09 ft at 10:00PM Mar 26, 2024Observed: 12.09 ft at 10:15PM Mar 26, 2024Observed: 12.08 ft at 10:30PM Mar 26, 2024Observed: 12.07 ft at 10:45PM Mar 26, 2024Observed: 12.07 ft at 11:00PM Mar 26, 2024Observed: 12.06 ft at 11:15PM Mar 26, 2024Observed: 12.06 ft at 11:30PM Mar 26, 2024Observed: 12.06 ft at 11:45PM Mar 26, 2024Observed: 12.05 ft at 12:00AM Mar 27, 2024Observed: 12.05 ft at 12:15AM Mar 27, 2024Observed: 12.04 ft at 12:30AM Mar 27, 2024Observed: 12.03 ft at 12:45AM Mar 27, 2024Observed: 12.03 ft at 1:00AM Mar 27, 2024Observed: 12.02 ft at 1:15AM Mar 27, 2024Observed: 12.02 ft at 1:30AM Mar 27, 2024Observed: 12.02 ft at 1:45AM Mar 27, 2024Observed: 12.02 ft at 2:00AM Mar 27, 2024Observed: 12.02 ft at 2:15AM Mar 27, 2024Observed: 12.02 ft at 2:30AM Mar 27, 2024Observed: 12.02 ft at 2:45AM Mar 27, 2024Observed: 12.02 ft at 3:00AM Mar 27, 2024Observed: 12.02 ft at 3:15AM Mar 27, 2024Observed: 12.02 ft at 3:30AM Mar 27, 2024Observed: 12.03 ft at 3:45AM Mar 27, 2024Observed: 12.03 ft at 4:00AM Mar 27, 2024Observed: 12.04 ft at 4:15AM Mar 27, 2024Observed: 12.04 ft at 4:30AM Mar 27, 2024Observed: 12.05 ft at 4:45AM Mar 27, 2024Observed: 12.05 ft at 5:00AM Mar 27, 2024Observed: 12.04 ft at 5:15AM Mar 27, 2024Observed: 12.03 ft at 5:30AM Mar 27, 2024Observed: 12.02 ft at 5:45AM Mar 27, 2024Observed: 12.01 ft at 6:00AM Mar 27, 2024Observed: 11.99 ft at 6:15AM Mar 27, 2024Observed: 11.98 ft at 6:30AM Mar 27, 2024Observed: 11.96 ft at 6:45AM Mar 27, 2024Observed: 11.95 ft at 7:00AM Mar 27, 2024Observed: 11.94 ft at 7:15AM Mar 27, 2024Observed: 11.93 ft at 7:30AM Mar 27, 2024Observed: 11.92 ft at 7:45AM Mar 27, 2024Observed: 11.91 ft at 8:00AM Mar 27, 2024Observed: 11.9 ft at 8:15AM Mar 27, 2024Observed: 11.9 ft at 8:30AM Mar 27, 2024Observed: 11.89 ft at 8:45AM Mar 27, 2024Observed: 11.89 ft at 9:00AM Mar 27, 2024Observed: 11.88 ft at 9:15AM Mar 27, 2024Observed: 11.87 ft at 9:30AM Mar 27, 2024Observed: 11.87 ft at 9:45AM Mar 27, 2024Observed: 11.86 ft at 10:00AM Mar 27, 2024Observed: 11.85 ft at 10:15AM Mar 27, 2024Observed: 11.85 ft at 10:30AM Mar 27, 2024Observed: 11.85 ft at 10:45AM Mar 27, 2024Observed: 11.84 ft at 11:00AM Mar 27, 2024Observed: 11.84 ft at 11:15AM Mar 27, 2024Observed: 11.83 ft at 11:30AM Mar 27, 2024Observed: 11.83 ft at 11:45AM Mar 27, 2024Observed: 11.82 ft at 12:00PM Mar 27, 2024Observed: 11.82 ft at 12:15PM Mar 27, 2024Observed: 11.81 ft at 12:30PM Mar 27, 2024Observed: 11.81 ft at 12:45PM Mar 27, 2024Observed: 11.81 ft at 1:00PM Mar 27, 2024Observed: 11.81 ft at 1:15PM Mar 27, 2024Observed: 11.8 ft at 1:30PM Mar 27, 2024Observed: 11.8 ft at 1:45PM Mar 27, 2024Observed: 11.8 ft at 2:00PM Mar 27, 2024Observed: 11.79 ft at 2:15PM Mar 27, 2024Observed: 11.79 ft at 2:30PM Mar 27, 2024Observed: 11.78 ft at 2:45PM Mar 27, 2024Observed: 11.78 ft at 3:00PM Mar 27, 2024Observed: 11.78 ft at 3:15PM Mar 27, 2024Observed: 11.78 ft at 3:30PM Mar 27, 2024Observed: 11.78 ft at 3:45PM Mar 27, 2024Observed: 11.78 ft at 4:00PM Mar 27, 2024Observed: 11.79 ft at 4:15PM Mar 27, 2024Observed: 11.79 ft at 4:30PM Mar 27, 2024Observed: 11.79 ft at 4:45PM Mar 27, 2024Observed: 11.8 ft at 5:00PM Mar 27, 2024Observed: 11.8 ft at 5:15PM Mar 27, 2024Observed: 11.8 ft at 5:30PM Mar 27, 2024Observed: 11.8 ft at 5:45PM Mar 27, 2024Observed: 11.78 ft at 6:00PM Mar 27, 2024Observed: 11.78 ft at 6:15PM Mar 27, 2024Observed: 11.78 ft at 6:30PM Mar 27, 2024Observed: 11.77 ft at 6:45PM Mar 27, 2024Observed: 11.76 ft at 7:00PM Mar 27, 2024Observed: 11.76 ft at 7:15PM Mar 27, 2024Observed: 11.75 ft at 7:30PM Mar 27, 2024Observed: 11.75 ft at 7:45PM Mar 27, 2024Observed: 11.75 ft at 8:00PM Mar 27, 2024Observed: 11.74 ft at 8:15PM Mar 27, 2024Observed: 11.74 ft at 8:30PM Mar 27, 2024Observed: 11.74 ft at 8:45PM Mar 27, 2024Observed: 11.74 ft at 9:00PM Mar 27, 2024Observed: 11.74 ft at 9:15PM Mar 27, 2024Observed: 11.73 ft at 9:30PM Mar 27, 2024Observed: 11.73 ft at 9:45PM Mar 27, 2024Observed: 11.73 ft at 10:00PM Mar 27, 2024Observed: 11.73 ft at 10:15PM Mar 27, 2024Observed: 11.73 ft at 10:30PM Mar 27, 2024Observed: 11.73 ft at 10:45PM Mar 27, 2024Observed: 11.73 ft at 11:00PM Mar 27, 2024Observed: 11.73 ft at 11:15PM Mar 27, 2024Observed: 11.73 ft at 11:30PM Mar 27, 2024Observed: 11.73 ft at 11:45PM Mar 27, 2024Observed: 11.73 ft at 12:00AM Mar 28, 2024Observed: 11.73 ft at 12:15AM Mar 28, 2024Observed: 11.74 ft at 12:30AM Mar 28, 2024Observed: 11.74 ft at 12:45AM Mar 28, 2024Observed: 11.74 ft at 1:00AM Mar 28, 2024Observed: 11.75 ft at 1:15AM Mar 28, 2024Observed: 11.75 ft at 1:30AM Mar 28, 2024Observed: 11.76 ft at 1:45AM Mar 28, 2024Observed: 11.76 ft at 2:00AM Mar 28, 2024Observed: 11.76 ft at 2:15AM Mar 28, 2024Observed: 11.76 ft at 2:30AM Mar 28, 2024Observed: 11.76 ft at 2:45AM Mar 28, 2024Observed: 11.77 ft at 3:00AM Mar 28, 2024Observed: 11.77 ft at 3:15AM Mar 28, 2024Observed: 11.78 ft at 3:30AM Mar 28, 2024Observed: 11.78 ft at 3:45AM Mar 28, 2024Observed: 11.8 ft at 4:00AM Mar 28, 2024Observed: 11.8 ft at 4:15AM Mar 28, 2024Observed: 11.81 ft at 4:30AM Mar 28, 2024Observed: 11.82 ft at 4:45AM Mar 28, 2024Observed: 11.83 ft at 5:00AM Mar 28, 2024Observed: 11.83 ft at 5:15AM Mar 28, 2024Observed: 11.84 ft at 5:30AM Mar 28, 2024Observed: 11.84 ft at 5:45AM Mar 28, 2024Observed: 11.85 ft at 6:00AM Mar 28, 2024Observed: 11.84 ft at 6:15AM Mar 28, 2024Forecast: 11.8 ft 8:00AM Mar 28, 2024Forecast: 12 ft 2:00PM Mar 28, 2024Forecast: 12.2 ft 8:00PM Mar 28, 2024Highest Forecast: 12.4 ft 2:00AM Mar 29, 2024Highest Forecast: 12.4 ft 8:00AM Mar 29, 2024Highest Forecast: 12.4 ft 2:00PM Mar 29, 2024Forecast: 12.3 ft 8:00PM Mar 29, 2024Forecast: 12.1 ft 2:00AM Mar 30, 2024Forecast: 12 ft 8:00AM Mar 30, 2024USGS--Water Resources of the United StatesTREN4(plotting HGIRG) Graph Created (7:33AM Mar 28, 2024)ObservedForecast (issued 10:57AM Mar 27)Latest observed value: 11.84 ft at 6:15 AM EDT 28-Mar-2024. 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