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Hydrograph River at a Glance Download
West Branch Oswegatchie River near Harrisville Stage (ft)Flow (kcfs)Observed: 4.09 ft at 12:15AM Aug 03, 2021Observed: 4.1 ft at 12:30AM Aug 03, 2021Observed: 4.11 ft at 12:45AM Aug 03, 2021Observed: 4.11 ft at 1:00AM Aug 03, 2021Observed: 4.12 ft at 1:15AM Aug 03, 2021Observed: 4.12 ft at 1:30AM Aug 03, 2021Observed: 4.13 ft at 1:45AM Aug 03, 2021Observed: 4.13 ft at 2:00AM Aug 03, 2021Observed: 4.14 ft at 2:15AM Aug 03, 2021Observed: 4.14 ft at 2:30AM Aug 03, 2021Observed: 4.15 ft at 2:45AM Aug 03, 2021Observed: 4.16 ft at 3:00AM Aug 03, 2021Observed: 4.16 ft at 3:15AM Aug 03, 2021Observed: 4.17 ft at 3:30AM Aug 03, 2021Observed: 4.17 ft at 3:45AM Aug 03, 2021Observed: 4.18 ft at 4:00AM Aug 03, 2021Observed: 4.18 ft at 4:15AM Aug 03, 2021Observed: 4.19 ft at 4:30AM Aug 03, 2021Observed: 4.19 ft at 4:45AM Aug 03, 2021Observed: 4.21 ft at 5:00AM Aug 03, 2021Observed: 4.21 ft at 5:15AM Aug 03, 2021Observed: 4.21 ft at 5:30AM Aug 03, 2021Observed: 4.22 ft at 5:45AM Aug 03, 2021Observed: 4.23 ft at 6:00AM Aug 03, 2021Observed: 4.23 ft at 6:15AM Aug 03, 2021Observed: 4.24 ft at 6:30AM Aug 03, 2021Observed: 4.24 ft at 6:31AM Aug 03, 2021Observed: 4.25 ft at 6:45AM Aug 03, 2021Observed: 4.25 ft at 6:46AM Aug 03, 2021Observed: 4.25 ft at 7:00AM Aug 03, 2021Observed: 4.25 ft at 7:01AM Aug 03, 2021Observed: 4.26 ft at 7:15AM Aug 03, 2021Observed: 4.26 ft at 7:16AM Aug 03, 2021Observed: 4.26 ft at 7:30AM Aug 03, 2021Observed: 4.27 ft at 7:45AM Aug 03, 2021Observed: 4.27 ft at 8:00AM Aug 03, 2021Observed: 4.28 ft at 8:15AM Aug 03, 2021Observed: 4.28 ft at 8:30AM Aug 03, 2021Observed: 4.28 ft at 8:45AM Aug 03, 2021Observed: 4.29 ft at 9:00AM Aug 03, 2021Observed: 4.3 ft at 9:15AM Aug 03, 2021Observed: 4.3 ft at 9:30AM Aug 03, 2021Observed: 4.31 ft at 9:45AM Aug 03, 2021Observed: 4.32 ft at 10:00AM Aug 03, 2021Observed: 4.32 ft at 10:15AM Aug 03, 2021Observed: 4.33 ft at 10:30AM Aug 03, 2021Observed: 4.33 ft at 10:45AM Aug 03, 2021Observed: 4.34 ft at 11:00AM Aug 03, 2021Observed: 4.34 ft at 11:15AM Aug 03, 2021Observed: 4.35 ft at 11:30AM Aug 03, 2021Observed: 4.35 ft at 11:45AM Aug 03, 2021Observed: 4.35 ft at 12:00PM Aug 03, 2021Observed: 4.36 ft at 12:15PM Aug 03, 2021Observed: 4.36 ft at 12:30PM Aug 03, 2021Observed: 4.37 ft at 12:45PM Aug 03, 2021Observed: 4.37 ft at 1:00PM Aug 03, 2021Observed: 4.37 ft at 1:15PM Aug 03, 2021Observed: 4.38 ft at 1:30PM Aug 03, 2021Observed: 4.38 ft at 1:45PM Aug 03, 2021Observed: 4.38 ft at 2:00PM Aug 03, 2021Observed: 4.38 ft at 2:15PM Aug 03, 2021Observed: 4.39 ft at 2:30PM Aug 03, 2021Observed: 4.39 ft at 2:45PM Aug 03, 2021Observed: 4.39 ft at 3:00PM Aug 03, 2021Observed: 4.39 ft at 3:15PM Aug 03, 2021Observed: 4.4 ft at 3:30PM Aug 03, 2021Observed: 4.4 ft at 3:45PM Aug 03, 2021Observed: 4.4 ft at 4:00PM Aug 03, 2021Observed: 4.41 ft at 4:15PM Aug 03, 2021Observed: 4.41 ft at 4:30PM Aug 03, 2021Observed: 4.41 ft at 4:45PM Aug 03, 2021Observed: 4.41 ft at 5:00PM Aug 03, 2021Observed: 4.41 ft at 5:15PM Aug 03, 2021Observed: 4.41 ft at 5:30PM Aug 03, 2021Observed: 4.41 ft at 5:45PM Aug 03, 2021Highest Observation: 4.42 ft at 6:00PM Aug 03, 2021Highest Observation: 4.42 ft at 6:15PM Aug 03, 2021Highest Observation: 4.42 ft at 6:30PM Aug 03, 2021Highest Observation: 4.42 ft at 6:45PM Aug 03, 2021Observed: 4.41 ft at 7:00PM Aug 03, 2021Highest Observation: 4.42 ft at 7:15PM Aug 03, 2021Highest Observation: 4.42 ft at 7:30PM Aug 03, 2021Highest Observation: 4.42 ft at 7:45PM Aug 03, 2021Highest Observation: 4.42 ft at 8:00PM Aug 03, 2021Highest Observation: 4.42 ft at 8:15PM Aug 03, 2021Highest Observation: 4.42 ft at 8:30PM Aug 03, 2021Highest Observation: 4.42 ft at 8:45PM Aug 03, 2021Highest Observation: 4.42 ft at 9:00PM Aug 03, 2021Highest Observation: 4.42 ft at 9:15PM Aug 03, 2021Highest Observation: 4.42 ft at 9:30PM Aug 03, 2021Observed: 4.41 ft at 9:45PM Aug 03, 2021Highest Observation: 4.42 ft at 10:00PM Aug 03, 2021Observed: 4.41 ft at 10:15PM Aug 03, 2021Observed: 4.41 ft at 10:30PM Aug 03, 2021Observed: 4.41 ft at 10:45PM Aug 03, 2021Observed: 4.41 ft at 11:00PM Aug 03, 2021Observed: 4.41 ft at 11:15PM Aug 03, 2021Observed: 4.41 ft at 11:30PM Aug 03, 2021Observed: 4.4 ft at 11:45PM Aug 03, 2021Observed: 4.4 ft at 12:00AM Aug 04, 2021Observed: 4.4 ft at 12:15AM Aug 04, 2021Observed: 4.4 ft at 12:30AM Aug 04, 2021Observed: 4.4 ft at 12:45AM Aug 04, 2021Observed: 4.39 ft at 1:00AM Aug 04, 2021Observed: 4.39 ft at 1:15AM Aug 04, 2021Observed: 4.39 ft at 1:30AM Aug 04, 2021Observed: 4.39 ft at 1:45AM Aug 04, 2021Observed: 4.38 ft at 2:00AM Aug 04, 2021Observed: 4.38 ft at 2:15AM Aug 04, 2021Observed: 4.37 ft at 2:30AM Aug 04, 2021Observed: 4.37 ft at 2:45AM Aug 04, 2021Observed: 4.37 ft at 3:00AM Aug 04, 2021Observed: 4.37 ft at 3:15AM Aug 04, 2021Observed: 4.36 ft at 3:30AM Aug 04, 2021Observed: 4.36 ft at 3:45AM Aug 04, 2021Observed: 4.36 ft at 4:00AM Aug 04, 2021Observed: 4.36 ft at 4:15AM Aug 04, 2021Observed: 4.35 ft at 4:30AM Aug 04, 2021Observed: 4.35 ft at 4:45AM Aug 04, 2021Observed: 4.34 ft at 5:00AM Aug 04, 2021Observed: 4.34 ft at 5:15AM Aug 04, 2021Observed: 4.34 ft at 5:30AM Aug 04, 2021Observed: 4.33 ft at 5:45AM Aug 04, 2021Observed: 4.33 ft at 6:00AM Aug 04, 2021Observed: 4.32 ft at 6:15AM Aug 04, 2021Observed: 4.32 ft at 6:30AM Aug 04, 2021Observed: 4.32 ft at 6:31AM Aug 04, 2021Observed: 4.32 ft at 6:45AM Aug 04, 2021Observed: 4.32 ft at 6:46AM Aug 04, 2021Observed: 4.31 ft at 7:00AM Aug 04, 2021Observed: 4.31 ft at 7:01AM Aug 04, 2021Observed: 4.3 ft at 7:15AM Aug 04, 2021Observed: 4.3 ft at 7:16AM Aug 04, 2021Observed: 4.3 ft at 7:30AM Aug 04, 2021Observed: 4.3 ft at 7:45AM Aug 04, 2021Observed: 4.29 ft at 8:00AM Aug 04, 2021Observed: 4.29 ft at 8:15AM Aug 04, 2021Observed: 4.28 ft at 8:30AM Aug 04, 2021Observed: 4.28 ft at 8:45AM Aug 04, 2021Observed: 4.28 ft at 9:00AM Aug 04, 2021Observed: 4.27 ft at 9:15AM Aug 04, 2021Observed: 4.26 ft at 9:30AM Aug 04, 2021Observed: 4.26 ft at 9:45AM Aug 04, 2021Observed: 4.25 ft at 10:00AM Aug 04, 2021Observed: 4.25 ft at 10:15AM Aug 04, 2021Observed: 4.25 ft at 10:30AM Aug 04, 2021Observed: 4.24 ft at 10:45AM Aug 04, 2021Observed: 4.23 ft at 11:00AM Aug 04, 2021Observed: 4.23 ft at 11:15AM Aug 04, 2021Observed: 4.22 ft at 11:30AM Aug 04, 2021Observed: 4.22 ft at 11:45AM Aug 04, 2021Observed: 4.22 ft at 12:00PM Aug 04, 2021Observed: 4.21 ft at 12:15PM Aug 04, 2021Observed: 4.2 ft at 12:30PM Aug 04, 2021Observed: 4.2 ft at 12:45PM Aug 04, 2021Observed: 4.2 ft at 1:00PM Aug 04, 2021Observed: 4.19 ft at 1:15PM Aug 04, 2021Observed: 4.18 ft at 1:30PM Aug 04, 2021Observed: 4.18 ft at 1:45PM Aug 04, 2021Observed: 4.17 ft at 2:00PM Aug 04, 2021Observed: 4.17 ft at 2:15PM Aug 04, 2021Observed: 4.17 ft at 2:30PM Aug 04, 2021Observed: 4.16 ft at 2:45PM Aug 04, 2021Observed: 4.15 ft at 3:00PM Aug 04, 2021Observed: 4.15 ft at 3:15PM Aug 04, 2021Observed: 4.14 ft at 3:30PM Aug 04, 2021Observed: 4.14 ft at 3:45PM Aug 04, 2021Observed: 4.13 ft at 4:00PM Aug 04, 2021Observed: 4.13 ft at 4:15PM Aug 04, 2021Observed: 4.12 ft at 4:30PM Aug 04, 2021Observed: 4.11 ft at 4:45PM Aug 04, 2021Observed: 4.11 ft at 5:00PM Aug 04, 2021Observed: 4.11 ft at 5:15PM Aug 04, 2021Observed: 4.1 ft at 5:30PM Aug 04, 2021Observed: 4.1 ft at 5:45PM Aug 04, 2021Observed: 4.09 ft at 6:00PM Aug 04, 2021Observed: 4.08 ft at 6:15PM Aug 04, 2021Observed: 4.08 ft at 6:30PM Aug 04, 2021Observed: 4.07 ft at 6:45PM Aug 04, 2021Observed: 4.07 ft at 7:00PM Aug 04, 2021Observed: 4.06 ft at 7:15PM Aug 04, 2021Observed: 4.06 ft at 7:30PM Aug 04, 2021Observed: 4.05 ft at 7:45PM Aug 04, 2021Observed: 4.05 ft at 8:00PM Aug 04, 2021Observed: 4.04 ft at 8:15PM Aug 04, 2021Observed: 4.03 ft at 8:30PM Aug 04, 2021Observed: 4.03 ft at 8:45PM Aug 04, 2021Observed: 4.03 ft at 9:00PM Aug 04, 2021Observed: 4.02 ft at 9:15PM Aug 04, 2021Observed: 4.01 ft at 9:30PM Aug 04, 2021Observed: 4.01 ft at 9:45PM Aug 04, 2021Observed: 4.01 ft at 10:00PM Aug 04, 2021Observed: 4 ft at 10:15PM Aug 04, 2021Observed: 4 ft at 10:30PM Aug 04, 2021Observed: 3.99 ft at 10:45PM Aug 04, 2021Observed: 3.98 ft at 11:00PM Aug 04, 2021Observed: 3.98 ft at 11:15PM Aug 04, 2021Observed: 3.98 ft at 11:30PM Aug 04, 2021Observed: 3.97 ft at 11:45PM Aug 04, 2021Observed: 3.97 ft at 12:00AM Aug 05, 2021Observed: 3.97 ft at 12:15AM Aug 05, 2021Observed: 3.96 ft at 12:30AM Aug 05, 2021Observed: 3.96 ft at 12:45AM Aug 05, 2021Observed: 3.95 ft at 1:00AM Aug 05, 2021Observed: 3.95 ft at 1:15AM Aug 05, 2021Observed: 3.94 ft at 1:30AM Aug 05, 2021Observed: 3.94 ft at 1:45AM Aug 05, 2021Observed: 3.93 ft at 2:00AM Aug 05, 2021Observed: 3.93 ft at 2:15AM Aug 05, 2021Observed: 3.93 ft at 2:30AM Aug 05, 2021Observed: 3.92 ft at 2:45AM Aug 05, 2021Observed: 3.92 ft at 3:00AM Aug 05, 2021Observed: 3.91 ft at 3:15AM Aug 05, 2021Observed: 3.91 ft at 3:30AM Aug 05, 2021Observed: 3.9 ft at 3:45AM Aug 05, 2021Observed: 3.9 ft at 4:00AM Aug 05, 2021Observed: 3.89 ft at 4:15AM Aug 05, 2021Observed: 3.89 ft at 4:30AM Aug 05, 2021Observed: 3.89 ft at 4:45AM Aug 05, 2021Observed: 3.88 ft at 5:00AM Aug 05, 2021Observed: 3.87 ft at 5:15AM Aug 05, 2021Observed: 3.87 ft at 5:30AM Aug 05, 2021Observed: 3.87 ft at 5:45AM Aug 05, 2021Observed: 3.86 ft at 6:00AM Aug 05, 2021Observed: 3.86 ft at 6:15AM Aug 05, 2021Observed: 3.85 ft at 6:30AM Aug 05, 2021Observed: 3.85 ft at 6:32AM Aug 05, 2021Observed: 3.85 ft at 6:45AM Aug 05, 2021Observed: 3.85 ft at 6:47AM Aug 05, 2021Observed: 3.84 ft at 7:00AM Aug 05, 2021Observed: 3.84 ft at 7:02AM Aug 05, 2021Observed: 3.84 ft at 7:15AM Aug 05, 2021Observed: 3.84 ft at 7:17AM Aug 05, 2021Observed: 3.83 ft at 7:30AM Aug 05, 2021Observed: 3.83 ft at 7:45AM Aug 05, 2021Observed: 3.82 ft at 8:00AM Aug 05, 2021Observed: 3.82 ft at 8:15AM Aug 05, 2021Observed: 3.81 ft at 8:30AM Aug 05, 2021Observed: 3.81 ft at 8:45AM Aug 05, 2021Observed: 3.8 ft at 9:00AM Aug 05, 2021Observed: 3.79 ft at 9:15AM Aug 05, 2021Observed: 3.8 ft at 9:30AM Aug 05, 2021Observed: 3.79 ft at 9:45AM Aug 05, 2021Observed: 3.78 ft at 10:00AM Aug 05, 2021Observed: 3.78 ft at 10:15AM Aug 05, 2021Observed: 3.77 ft at 10:30AM Aug 05, 2021Observed: 3.77 ft at 10:45AM Aug 05, 2021Observed: 3.76 ft at 11:00AM Aug 05, 2021Observed: 3.76 ft at 11:15AM Aug 05, 2021Observed: 3.75 ft at 11:30AM Aug 05, 2021Observed: 3.75 ft at 11:45AM Aug 05, 2021Observed: 3.74 ft at 12:00PM Aug 05, 2021Observed: 3.73 ft at 12:15PM Aug 05, 2021Observed: 3.73 ft at 12:30PM Aug 05, 2021Observed: 3.72 ft at 12:45PM Aug 05, 2021Observed: 3.72 ft at 1:00PM Aug 05, 2021Observed: 3.72 ft at 1:15PM Aug 05, 2021Observed: 3.71 ft at 1:30PM Aug 05, 2021Observed: 3.7 ft at 1:45PM Aug 05, 2021Observed: 3.7 ft at 2:00PM Aug 05, 2021Observed: 3.69 ft at 2:15PM Aug 05, 2021Observed: 3.69 ft at 2:30PM Aug 05, 2021Observed: 3.68 ft at 2:45PM Aug 05, 2021Observed: 3.67 ft at 3:00PM Aug 05, 2021Observed: 3.67 ft at 3:15PM Aug 05, 2021Observed: 3.66 ft at 3:30PM Aug 05, 2021Observed: 3.65 ft at 3:45PM Aug 05, 2021Observed: 3.65 ft at 4:00PM Aug 05, 2021Observed: 3.64 ft at 4:15PM Aug 05, 2021Observed: 3.64 ft at 4:30PM Aug 05, 2021Observed: 3.64 ft at 4:45PM Aug 05, 2021Observed: 3.63 ft at 5:00PM Aug 05, 2021Observed: 3.63 ft at 5:15PM Aug 05, 2021Observed: 3.62 ft at 5:30PM Aug 05, 2021Observed: 3.61 ft at 5:45PM Aug 05, 2021Observed: 3.61 ft at 6:00PM Aug 05, 2021Observed: 3.6 ft at 6:15PM Aug 05, 2021Observed: 3.59 ft at 6:30PM Aug 05, 2021Observed: 3.59 ft at 6:45PM Aug 05, 2021Observed: 3.58 ft at 7:00PM Aug 05, 2021Observed: 3.57 ft at 7:15PM Aug 05, 2021Observed: 3.57 ft at 7:30PM Aug 05, 2021Observed: 3.56 ft at 7:45PM Aug 05, 2021Observed: 3.56 ft at 8:00PM Aug 05, 2021Observed: 3.55 ft at 8:15PM Aug 05, 2021Observed: 3.55 ft at 8:30PM Aug 05, 2021Observed: 3.55 ft at 8:45PM Aug 05, 2021Observed: 3.54 ft at 9:00PM Aug 05, 2021Observed: 3.53 ft at 9:15PM Aug 05, 2021Observed: 3.53 ft at 9:30PM Aug 05, 2021Observed: 3.53 ft at 9:45PM Aug 05, 2021Observed: 3.53 ft at 10:00PM Aug 05, 2021Observed: 3.52 ft at 10:15PM Aug 05, 2021Observed: 3.51 ft at 10:30PM Aug 05, 2021Observed: 3.51 ft at 10:45PM Aug 05, 2021Observed: 3.5 ft at 11:00PM Aug 05, 2021Observed: 3.5 ft at 11:15PM Aug 05, 2021Observed: 3.49 ft at 11:30PM Aug 05, 2021USGS--Water Resources of the United StatesHVLN6(plotting HGIRG) Graph Created (12:03AM Aug 6, 2021)ObservedLatest observed value: 3.49 ft at 11:30 PM EDT 5-Aug-2021.
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the West Branch Oswegatchie River near Harrisville are issued routinely year-round.
Return to Area Map
Downstream Gauge Downstream Gauge - near Heuvelton
Flood Categories (in feet)
Not Available

Historic Crests
(1) 10.64 ft on 01/09/1998
(2) 9.60 ft on 01/09/1930
(3) 9.52 ft on 04/11/1993
(4) 9.31 ft on 03/15/1977
(5) 9.28 ft on 04/05/1963
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7.08 ft on 04/29/2011
(2) 7.22 ft on 12/29/2008
(3) 6.26 ft on 01/10/2008
(4) 6.24 ft on 03/29/2007
(5) 6.44 ft on 12/01/2005
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:14
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.
About This Location Collapse

Latitude: 44.185556° N, Longitude: 75.331111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 29 738.51 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.

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
Burlington Weather Forecast Office
1200 Airport Drive
South Burlington, VT 05403
(802) 862-2475
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Page last modified: 2-Nov-2020 7:30 PM
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