Susquehanna River at Sunbury, PA
Is Susquehanna River at Sunbury, PA flooding right now?
Susquehanna River at Sunbury, PA measured 8.38 ft on 2026-09-11 00:45:00 UTC. That observation was 15.6 ft below its 24 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
8.38 ft
Streamflow
15,000 cfs
Minor flooding here begins at 24 ft, with major flooding at 34 ft. The highest crest on record was 35.8 ft on Sat, Jun 24, 1972.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 20 ft | 11.6 ft below |
| Minor flood | 24 ft | 15.6 ft below |
| Moderate flood | 26 ft | 17.6 ft below |
| Major flood | 34 ft | 25.6 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 35.8 ft | 1972-06-24 |
| 31.66 ft | 2011-09-09 |
| 30.62 ft | 1975-09-27 |
| 30.44 ft | 2004-09-19 |
| 30.32 ft | 1996-01-20 |
Last 7 days
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Susquehanna River above Dam at Sunbury, PA | 1.8 mi | Northumberland County |
| West Branch Susquehanna River at Lewisburg, PA | 9.5 mi | Northumberland County |
| Chillisquaque Creek near Potts Grove, PA | 9.8 mi | Northumberland County |
| Penns Creek at Penns Creek, PA | 11.8 mi | Union County |
| W Br Susquehanna River at West Milton, PA | 12.9 mi | Union County |
Get a flood alert for this gauge
Free email alerts when this gauge approaches flood stage are coming soon. Leave your email and you'll be first in line.
One email when alerts launch, then only flood notifications. No spam, unsubscribe anytime.
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.