Oswego River Flow Today
As of October 10, 2026 at 2:45 AM, the Oswego River is flowing at 1,080 cfs at Lock 7, NY — 45% of normal for the date and up 3% in 24 hours. 2 of 2 USGS gauges reported in the last 3 days; flows range from 30 to 1,080 cfs. ❤ Favorite
Oswego River map
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Oswego River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Lock 7, the Oswego River is running 1,080 cfs — 45% of normal, up 3% since yesterday. Along the river, 2 of 2 reporting gauges are below normal (the typical gauge is at 60% of normal).
In the last 24 hours the river is dropping at Harrisville Nj (-17%).
How the Oswego River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Lock 7254 ft 1,080 cfs45%
- Harrisville Nj6 ft 30 cfs74%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Oswego River streamgauge, placed by its own percent of normal. The line is the typical gauge (60%).
Oswego River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | Elevation |
|---|---|---|---|---|---|
|
Oswego River At Lock 7 NY
Oct 10, 2:45 AM · USGS 04249000 |
1,080 cfs | 45% | +3% | 2.36 ft | 254 ft |
|
Oswego River At Harrisville Nj NJ
Oct 10, 3:30 AM · USGS 01410000 |
30 cfs | 74% | -17% | 10.27 ft | 6 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Dams & reservoirs on the Oswego River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Oswego River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Oswego River
The Oswego River is a 23-mile-long river located in upstate New York that flows into Lake Ontario. It has a rich industrial history, once powering mills and factories in the area. The river is fed by several smaller streams and has a drainage area of 5,000 square miles. The river is dammed at several points to create reservoirs, which provide drinking water to local communities and hydroelectric power. The two main reservoirs on the river are the Oswego and Oneida Lakes. The river is also used for recreational activities such as fishing, boating, and hiking. Agriculture is also an important use of the river, with many farms located along its banks. The river has been the subject of conservation efforts to improve water quality and protect its diverse ecosystem.
Fishing near the Oswego River
About the Oswego River
How is the Oswego River flowing right now?
As of October 10, 2026, the Oswego River is flowing at 1,080 cfs at Lock 7, NY, about 45% of normal for the date. Across its 2 USGS gauges, current flows range from 30 to 1,080 cfs. Every gauge’s live reading is in the table above.
Is the Oswego River running high or low?
The typical gauge on the Oswego River is at 60% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.