Red Flag Warning
2025-12-17T18:00:00-07:00

* AFFECTED AREA...Fire Weather Zones 241, 242, 243, 245 and 246. * TIMING...Until 6 PM MST this evening. * WINDS...West 15 to 30 mph with gusts up to 60 mph. * RELATIVE HUMIDITY...As low as 16 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.


Oswego River River Levels

Last Updated: December 17, 2025

The Oswego River is a 23-mile-long river located in upstate New York that flows into Lake Ontario.


Summary

Total streamflow across the Oswego River was last observed at 5,580 cfs, and is expected to yield approximately 11,068 acre-ft of water today; about 57% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 9,712 cfs, with recent peaks last observed on 2011-05-01 when daily discharge volume was observed at 27,000 cfs.

Maximum discharge along the river is currently at the Oswego River At Lock 7 reporting a streamflow rate of 5,580 cfs. However, the streamgauge with the highest stage along the river is the Oswego River At Harrisville Nj with a gauge stage of 10.27 ft. This river is monitored from 2 different streamgauging stations along the Oswego River, the highest being situated at an altitude of 254 ft, the Oswego River At Lock 7.

River Details

Last Updated 2025-12-17
Discharge Volume 11,068 ACRE-FT
Streamflow 5,580.0 cfs
-390.0 cfs (-6.53%)
Percent of Normal 57.45%
Maximum 27,000.0 cfs
2011-05-01
Seasonal Avg 9,712 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Oswego River At Lock 7
USGS 04249000
5580 cfs 4.61 ft -6.53
Oswego River At Harrisville Nj
USGS 01410000
36 cfs 10.27 ft 6.61
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Oswego River is a 23.7-mile-long (38.1 km) tributary of the Wading River in the southern New Jersey Pine Barrens in the United States.