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
 
Hydrograph River at a Glance Download
Rockaway River at Boonton above reservoir Stage (ft)Flow (cfs)Observed: 0.86 ft at 5:30PM Aug 01, 2020Observed: 0.86 ft at 5:45PM Aug 01, 2020Observed: 0.86 ft at 6:00PM Aug 01, 2020Observed: 0.86 ft at 6:15PM Aug 01, 2020Observed: 0.86 ft at 6:30PM Aug 01, 2020Observed: 0.86 ft at 6:45PM Aug 01, 2020Observed: 0.86 ft at 7:00PM Aug 01, 2020Observed: 0.86 ft at 7:15PM Aug 01, 2020Observed: 0.86 ft at 7:30PM Aug 01, 2020Observed: 0.86 ft at 7:45PM Aug 01, 2020Observed: 0.85 ft at 8:00PM Aug 01, 2020Observed: 0.85 ft at 8:15PM Aug 01, 2020Observed: 0.85 ft at 8:30PM Aug 01, 2020Observed: 0.85 ft at 8:45PM Aug 01, 2020Observed: 0.85 ft at 9:00PM Aug 01, 2020Observed: 0.85 ft at 9:15PM Aug 01, 2020Observed: 0.85 ft at 9:30PM Aug 01, 2020Observed: 0.85 ft at 9:45PM Aug 01, 2020Observed: 0.85 ft at 10:00PM Aug 01, 2020Observed: 0.85 ft at 10:15PM Aug 01, 2020Observed: 0.85 ft at 10:30PM Aug 01, 2020Observed: 0.85 ft at 10:45PM Aug 01, 2020Observed: 0.85 ft at 11:00PM Aug 01, 2020Observed: 0.85 ft at 11:15PM Aug 01, 2020Observed: 0.85 ft at 11:30PM Aug 01, 2020Observed: 0.85 ft at 11:45PM Aug 01, 2020Observed: 0.85 ft at 12:00AM Aug 02, 2020Observed: 0.85 ft at 12:15AM Aug 02, 2020Observed: 0.85 ft at 12:30AM Aug 02, 2020Observed: 0.85 ft at 12:45AM Aug 02, 2020Observed: 0.84 ft at 1:00AM Aug 02, 2020Observed: 0.84 ft at 1:15AM Aug 02, 2020Observed: 0.84 ft at 1:30AM Aug 02, 2020Observed: 0.84 ft at 1:45AM Aug 02, 2020Observed: 0.84 ft at 2:00AM Aug 02, 2020Observed: 0.84 ft at 2:15AM Aug 02, 2020Observed: 0.84 ft at 2:30AM Aug 02, 2020Observed: 0.84 ft at 2:45AM Aug 02, 2020Observed: 0.84 ft at 3:00AM Aug 02, 2020Observed: 0.84 ft at 3:15AM Aug 02, 2020Observed: 0.84 ft at 3:30AM Aug 02, 2020Observed: 0.84 ft at 3:45AM Aug 02, 2020Observed: 0.84 ft at 4:00AM Aug 02, 2020Observed: 0.84 ft at 4:15AM Aug 02, 2020Observed: 0.84 ft at 4:30AM Aug 02, 2020Observed: 0.84 ft at 4:45AM Aug 02, 2020Observed: 0.84 ft at 5:00AM Aug 02, 2020Observed: 0.84 ft at 5:15AM Aug 02, 2020Observed: 0.84 ft at 5:30AM Aug 02, 2020Observed: 0.84 ft at 5:45AM Aug 02, 2020Observed: 0.84 ft at 6:00AM Aug 02, 2020Observed: 0.84 ft at 6:15AM Aug 02, 2020Observed: 0.84 ft at 6:30AM Aug 02, 2020Observed: 0.84 ft at 6:45AM Aug 02, 2020Observed: 0.84 ft at 7:00AM Aug 02, 2020Observed: 0.83 ft at 7:15AM Aug 02, 2020Observed: 0.84 ft at 7:30AM Aug 02, 2020Observed: 0.83 ft at 7:45AM Aug 02, 2020Observed: 0.83 ft at 8:00AM Aug 02, 2020Observed: 0.83 ft at 8:15AM Aug 02, 2020Observed: 0.83 ft at 8:30AM Aug 02, 2020Observed: 0.83 ft at 8:45AM Aug 02, 2020Observed: 0.83 ft at 9:00AM Aug 02, 2020Observed: 0.83 ft at 9:15AM Aug 02, 2020Observed: 0.83 ft at 9:30AM Aug 02, 2020Observed: 0.83 ft at 9:45AM Aug 02, 2020Observed: 0.84 ft at 10:00AM Aug 02, 2020Observed: 0.84 ft at 10:15AM Aug 02, 2020Observed: 0.84 ft at 10:30AM Aug 02, 2020Observed: 0.84 ft at 10:45AM Aug 02, 2020Observed: 0.84 ft at 11:00AM Aug 02, 2020Observed: 0.84 ft at 11:15AM Aug 02, 2020Observed: 0.84 ft at 11:30AM Aug 02, 2020Observed: 0.84 ft at 11:45AM Aug 02, 2020Observed: 0.84 ft at 12:00PM Aug 02, 2020Observed: 0.84 ft at 12:15PM Aug 02, 2020Observed: 0.84 ft at 12:30PM Aug 02, 2020Observed: 0.84 ft at 12:45PM Aug 02, 2020Observed: 0.84 ft at 1:00PM Aug 02, 2020Observed: 0.84 ft at 1:15PM Aug 02, 2020Observed: 0.84 ft at 1:30PM Aug 02, 2020Observed: 0.84 ft at 1:45PM Aug 02, 2020Observed: 0.84 ft at 2:00PM Aug 02, 2020Observed: 0.84 ft at 2:15PM Aug 02, 2020Observed: 0.85 ft at 2:30PM Aug 02, 2020Observed: 0.85 ft at 2:45PM Aug 02, 2020Observed: 0.85 ft at 3:00PM Aug 02, 2020Observed: 0.85 ft at 3:15PM Aug 02, 2020Observed: 0.85 ft at 3:30PM Aug 02, 2020Observed: 0.85 ft at 3:45PM Aug 02, 2020Observed: 0.86 ft at 4:00PM Aug 02, 2020Observed: 0.87 ft at 4:15PM Aug 02, 2020Observed: 0.87 ft at 4:30PM Aug 02, 2020Observed: 0.89 ft at 4:45PM Aug 02, 2020Observed: 0.9 ft at 5:00PM Aug 02, 2020Observed: 0.92 ft at 5:15PM Aug 02, 2020Observed: 0.93 ft at 5:30PM Aug 02, 2020Observed: 0.95 ft at 5:45PM Aug 02, 2020Observed: 0.97 ft at 6:00PM Aug 02, 2020Observed: 0.99 ft at 6:15PM Aug 02, 2020Observed: 1.01 ft at 6:30PM Aug 02, 2020Observed: 1.02 ft at 6:45PM Aug 02, 2020Observed: 1.03 ft at 7:00PM Aug 02, 2020Observed: 1.05 ft at 7:15PM Aug 02, 2020Observed: 1.05 ft at 7:30PM Aug 02, 2020Observed: 1.06 ft at 7:45PM Aug 02, 2020Observed: 1.06 ft at 8:00PM Aug 02, 2020Observed: 1.07 ft at 8:15PM Aug 02, 2020Observed: 1.07 ft at 8:30PM Aug 02, 2020Observed: 1.07 ft at 8:45PM Aug 02, 2020Observed: 1.07 ft at 9:00PM Aug 02, 2020Observed: 1.06 ft at 9:15PM Aug 02, 2020Observed: 1.06 ft at 9:30PM Aug 02, 2020Observed: 1.06 ft at 9:45PM Aug 02, 2020Observed: 1.05 ft at 10:00PM Aug 02, 2020Observed: 1.05 ft at 10:15PM Aug 02, 2020Observed: 1.04 ft at 10:30PM Aug 02, 2020Observed: 1.04 ft at 10:45PM Aug 02, 2020Observed: 1.04 ft at 11:00PM Aug 02, 2020Observed: 1.03 ft at 11:15PM Aug 02, 2020Observed: 1.03 ft at 11:30PM Aug 02, 2020Observed: 1.02 ft at 11:45PM Aug 02, 2020Observed: 1.02 ft at 12:00AM Aug 03, 2020Observed: 1.01 ft at 12:15AM Aug 03, 2020Observed: 1.01 ft at 12:30AM Aug 03, 2020Observed: 1 ft at 12:45AM Aug 03, 2020Observed: 1 ft at 1:00AM Aug 03, 2020Observed: 0.99 ft at 1:15AM Aug 03, 2020Observed: 0.99 ft at 1:30AM Aug 03, 2020Observed: 0.99 ft at 1:45AM Aug 03, 2020Observed: 0.98 ft at 2:00AM Aug 03, 2020Observed: 0.98 ft at 2:15AM Aug 03, 2020Observed: 0.97 ft at 2:30AM Aug 03, 2020Observed: 0.97 ft at 2:45AM Aug 03, 2020Observed: 0.97 ft at 3:00AM Aug 03, 2020Observed: 0.96 ft at 3:15AM Aug 03, 2020Observed: 0.96 ft at 3:30AM Aug 03, 2020Observed: 0.96 ft at 3:45AM Aug 03, 2020Observed: 0.95 ft at 4:00AM Aug 03, 2020Observed: 0.95 ft at 4:15AM Aug 03, 2020Observed: 0.95 ft at 4:30AM Aug 03, 2020Observed: 0.94 ft at 4:45AM Aug 03, 2020Observed: 0.94 ft at 5:00AM Aug 03, 2020Observed: 0.94 ft at 5:15AM Aug 03, 2020Observed: 0.94 ft at 5:30AM Aug 03, 2020Observed: 0.94 ft at 5:45AM Aug 03, 2020Observed: 0.93 ft at 6:00AM Aug 03, 2020Observed: 0.93 ft at 6:15AM Aug 03, 2020Observed: 0.93 ft at 6:30AM Aug 03, 2020Observed: 0.93 ft at 6:45AM Aug 03, 2020Observed: 0.93 ft at 7:00AM Aug 03, 2020Observed: 0.92 ft at 7:15AM Aug 03, 2020Observed: 0.92 ft at 7:30AM Aug 03, 2020Observed: 0.92 ft at 7:45AM Aug 03, 2020Observed: 0.92 ft at 8:00AM Aug 03, 2020Observed: 0.92 ft at 8:15AM Aug 03, 2020Observed: 0.92 ft at 8:30AM Aug 03, 2020Observed: 0.92 ft at 8:45AM Aug 03, 2020Observed: 0.92 ft at 9:00AM Aug 03, 2020Observed: 0.92 ft at 9:15AM Aug 03, 2020Observed: 0.91 ft at 9:30AM Aug 03, 2020Observed: 0.91 ft at 9:45AM Aug 03, 2020Observed: 0.91 ft at 10:00AM Aug 03, 2020Observed: 0.91 ft at 10:15AM Aug 03, 2020Observed: 0.91 ft at 10:30AM Aug 03, 2020Observed: 0.91 ft at 10:45AM Aug 03, 2020Observed: 0.91 ft at 11:00AM Aug 03, 2020Observed: 0.91 ft at 11:15AM Aug 03, 2020Observed: 0.91 ft at 11:30AM Aug 03, 2020Observed: 0.91 ft at 11:45AM Aug 03, 2020Observed: 0.9 ft at 12:00PM Aug 03, 2020Observed: 0.9 ft at 12:15PM Aug 03, 2020Observed: 0.9 ft at 12:30PM Aug 03, 2020Observed: 0.9 ft at 12:45PM Aug 03, 2020Observed: 0.9 ft at 1:00PM Aug 03, 2020Observed: 0.9 ft at 1:15PM Aug 03, 2020Observed: 0.9 ft at 1:30PM Aug 03, 2020Observed: 0.89 ft at 1:45PM Aug 03, 2020Observed: 0.9 ft at 2:00PM Aug 03, 2020Observed: 0.89 ft at 2:15PM Aug 03, 2020Observed: 0.89 ft at 2:30PM Aug 03, 2020Observed: 0.89 ft at 2:45PM Aug 03, 2020Observed: 0.89 ft at 3:00PM Aug 03, 2020Observed: 0.89 ft at 3:15PM Aug 03, 2020Observed: 0.89 ft at 3:30PM Aug 03, 2020Observed: 0.89 ft at 3:45PM Aug 03, 2020Observed: 0.89 ft at 4:00PM Aug 03, 2020Observed: 0.88 ft at 4:15PM Aug 03, 2020Observed: 0.88 ft at 4:30PM Aug 03, 2020Observed: 0.88 ft at 4:45PM Aug 03, 2020Observed: 0.88 ft at 5:00PM Aug 03, 2020Observed: 0.88 ft at 5:15PM Aug 03, 2020Observed: 0.88 ft at 5:30PM Aug 03, 2020Observed: 0.88 ft at 5:45PM Aug 03, 2020Observed: 0.88 ft at 6:00PM Aug 03, 2020Observed: 0.88 ft at 6:15PM Aug 03, 2020Observed: 0.88 ft at 6:30PM Aug 03, 2020Observed: 0.88 ft at 6:45PM Aug 03, 2020Observed: 0.87 ft at 7:00PM Aug 03, 2020Observed: 0.87 ft at 7:15PM Aug 03, 2020Observed: 0.87 ft at 7:30PM Aug 03, 2020Observed: 0.87 ft at 7:45PM Aug 03, 2020Observed: 0.87 ft at 8:00PM Aug 03, 2020Observed: 0.87 ft at 8:15PM Aug 03, 2020Observed: 0.87 ft at 8:30PM Aug 03, 2020Observed: 0.87 ft at 8:45PM Aug 03, 2020Observed: 0.87 ft at 9:00PM Aug 03, 2020Observed: 0.87 ft at 9:15PM Aug 03, 2020Observed: 0.88 ft at 9:30PM Aug 03, 2020Observed: 0.87 ft at 9:45PM Aug 03, 2020Observed: 0.87 ft at 10:00PM Aug 03, 2020Observed: 0.87 ft at 10:15PM Aug 03, 2020Observed: 0.87 ft at 10:30PM Aug 03, 2020Observed: 0.87 ft at 10:45PM Aug 03, 2020Observed: 0.87 ft at 11:00PM Aug 03, 2020Observed: 0.87 ft at 11:15PM Aug 03, 2020Observed: 0.87 ft at 11:30PM Aug 03, 2020Observed: 0.87 ft at 11:45PM Aug 03, 2020Observed: 0.88 ft at 12:00AM Aug 04, 2020Observed: 0.88 ft at 12:15AM Aug 04, 2020Observed: 0.89 ft at 12:30AM Aug 04, 2020Observed: 0.89 ft at 12:45AM Aug 04, 2020Observed: 0.9 ft at 1:00AM Aug 04, 2020Observed: 0.9 ft at 1:15AM Aug 04, 2020Observed: 0.91 ft at 1:30AM Aug 04, 2020Observed: 0.91 ft at 1:45AM Aug 04, 2020Observed: 0.91 ft at 2:00AM Aug 04, 2020Observed: 0.92 ft at 2:15AM Aug 04, 2020Observed: 0.92 ft at 2:30AM Aug 04, 2020Observed: 0.92 ft at 2:45AM Aug 04, 2020Observed: 0.93 ft at 3:00AM Aug 04, 2020Observed: 0.95 ft at 3:15AM Aug 04, 2020Observed: 0.95 ft at 3:30AM Aug 04, 2020Observed: 0.95 ft at 3:45AM Aug 04, 2020Observed: 0.95 ft at 4:00AM Aug 04, 2020Observed: 0.95 ft at 4:15AM Aug 04, 2020Observed: 0.96 ft at 4:30AM Aug 04, 2020Observed: 0.96 ft at 4:45AM Aug 04, 2020Observed: 0.96 ft at 5:00AM Aug 04, 2020Observed: 0.96 ft at 5:15AM Aug 04, 2020Observed: 0.98 ft at 5:30AM Aug 04, 2020Observed: 0.98 ft at 5:45AM Aug 04, 2020Observed: 0.99 ft at 6:00AM Aug 04, 2020Observed: 0.99 ft at 6:15AM Aug 04, 2020Observed: 0.99 ft at 6:30AM Aug 04, 2020Observed: 0.99 ft at 6:45AM Aug 04, 2020Observed: 0.99 ft at 7:00AM Aug 04, 2020Observed: 0.98 ft at 7:15AM Aug 04, 2020Observed: 0.99 ft at 7:30AM Aug 04, 2020Observed: 0.99 ft at 7:45AM Aug 04, 2020Observed: 0.99 ft at 8:00AM Aug 04, 2020Observed: 0.99 ft at 8:15AM Aug 04, 2020Observed: 1 ft at 8:30AM Aug 04, 2020Observed: 1 ft at 8:45AM Aug 04, 2020Observed: 1.01 ft at 9:00AM Aug 04, 2020Observed: 1.02 ft at 9:15AM Aug 04, 2020Observed: 1.02 ft at 9:30AM Aug 04, 2020Observed: 1.04 ft at 9:45AM Aug 04, 2020Observed: 1.06 ft at 10:00AM Aug 04, 2020Observed: 1.08 ft at 10:15AM Aug 04, 2020Observed: 1.11 ft at 10:30AM Aug 04, 2020Observed: 1.15 ft at 10:45AM Aug 04, 2020Observed: 1.18 ft at 11:00AM Aug 04, 2020Observed: 1.21 ft at 11:15AM Aug 04, 2020Observed: 1.26 ft at 11:30AM Aug 04, 2020Observed: 1.29 ft at 11:45AM Aug 04, 2020Observed: 1.33 ft at 12:00PM Aug 04, 2020Observed: 1.37 ft at 12:15PM Aug 04, 2020Observed: 1.41 ft at 12:30PM Aug 04, 2020Observed: 1.45 ft at 12:45PM Aug 04, 2020Observed: 1.47 ft at 1:00PM Aug 04, 2020Observed: 1.47 ft at 1:15PM Aug 04, 2020Observed: 1.47 ft at 1:30PM Aug 04, 2020Observed: 1.47 ft at 1:45PM Aug 04, 2020Observed: 1.47 ft at 2:00PM Aug 04, 2020Observed: 1.48 ft at 2:15PM Aug 04, 2020Observed: 1.49 ft at 2:30PM Aug 04, 2020Observed: 1.49 ft at 2:45PM Aug 04, 2020Observed: 1.5 ft at 3:00PM Aug 04, 2020Observed: 1.51 ft at 3:15PM Aug 04, 2020Observed: 1.53 ft at 3:30PM Aug 04, 2020Observed: 1.53 ft at 3:45PM Aug 04, 2020Observed: 1.55 ft at 4:00PM Aug 04, 2020Observed: 1.56 ft at 4:15PM Aug 04, 2020Highest Observation: 1.58 ft at 4:30PM Aug 04, 2020Forecast: 1.7 ft 8:00PM Aug 04, 2020Highest Forecast: 1.9 ft 2:00AM Aug 05, 2020Forecast: 1.6 ft 8:00AM Aug 05, 2020Forecast: 1.5 ft 2:00PM Aug 05, 2020Forecast: 1.4 ft 8:00PM Aug 05, 2020Forecast: 1.3 ft 2:00AM Aug 06, 2020Forecast: 1.2 ft 8:00AM Aug 06, 2020Forecast: 1.1 ft 2:00PM Aug 06, 2020Forecast: 1 ft 8:00PM Aug 06, 2020Forecast: 1 ft 2:00AM Aug 07, 2020Forecast: 1 ft 8:00AM Aug 07, 2020Forecast: 1 ft 2:00PM Aug 07, 2020USGS--Water Resources of the United StatesBOTN4(plotting HGIRG) Graph Created (5:18PM Aug 4, 2020)ObservedForecast (issued 3:46PM Aug 4)Latest observed value: 1.58 ft at 4:30 PM EDT 4-Aug-2020. Flood Stage is 4.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Rockaway River at Boonton above reservoir are issued routinely year-round.
Return to Area Map
Downstream Gauge Downstream Gauge - at Boonton
Flood Categories (in feet)
Major Flood Stage: 7
Moderate Flood Stage: 6
Flood Stage: 4.5
Action Stage: 3.5
Low Stage (in feet): 0

Historic Crests
(1) 3.70 ft on 05/01/2014

(P): Preliminary values subject to further review.

Recent Crests
(1) 3.70 ft on 05/01/2014

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
10 Main Street businesses in Denville experience several feet of water.
9 Businesses on Main Street in Denville begin to flood. Sections of Boonton (municipality) begin to flood.
8 Interstate Route 80 in Denville floods. Portions of Dover Township are under several feet of water.
7 Park's Lake area in Denville is flooded. Residents near Savage Road in Denville take on water. Residential areas in Dover Township adjacent to the river experience significant flooding.
6 Main Street in Rockaway is flooded. Jackson Avenue in Rockaway is flooded. Water backs up and comes through the sewer system. Main Street in Denville begins to flood. Gardner Park in Denville experiences significant flooding. Football and baseball fields are submerged in several feet of water. Portions of Boonton Township begin to flood.
5.5 The main parking lot at St. Clare's Hospital begins to flood.
5 Savage Road and other roads around Gardner Park in Denville flood.
3.5 The Rockaway River leaves its banks and floods adjacent parks and trails in Denville including Gardner park.
2 The Rockaway River leaves its banks and begins to flood the river parking lot at St. Clare's Hospital.
About This Location Collapse

Latitude: 40.907500° N, Longitude: 74.419167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 4.5 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 479 483.5 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available 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) 7 Day (NAEFS) 7 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: 1-Mar-2019 12:35 AM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities