West Branch Susquehanna River at Jersey Shore
Future / Actual / Minor
OWP 2.0 WWA Modal Title
01/11/2021, 10:04 PM UTC through 01/11/2021, 10:04 PM UTC
Sender
Sent
- Warning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.
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Observed (OBS) 04/02/2025 5:00 PM EDTOfficial Forecast (FCST) 04/02/2025 9:34 AM EDTRecord: 38.2 ftLow Threshold: 0 ftCATEGORY STAGE 
Major Flooding 29 ft Moderate Flooding 28 ft Minor Flooding 26 ft Action 23 ft Reliability of the Forecast:
NOTE: Forecasts are issued routinely year-round.
National Water Model Hydrograph
Official NWS streamflow forecasts are produced by NWS hydrologic forecasters for river gauge locations using hydrologic models which are calibrated to that location. This process considers additional guidance and information, including local expertise and experience, to produce the best forecast possible. The NWM output provides supplemental guidance to NWS forecasters and should not be considered an official NWS river forecast.
Flood Impacts
- 44 - Approximate level of the FEMA 0.2% Annual Chance Flood level (500-year flood).
- 38 - Flood of record from Hurricane Agnes in 1972. Approximate level of the FEMA 1% Annual Chance Flood level (100-year flood). Flood waters begin to reach the Route 44 Bridge in Antes Fort.
- 36.5 - Approximate level of the FEMA 2% Annual Chance Flood level (50-year flood).
Gauge Location
Recent Crests
| 1. | 30.74 ft | on 09-18-2004 |
| 2. | 29.50 ft | on 01-20-1996 |
| 3. | 23.00 ft | on 04-02-1993 |
| 4. | 27.00 ft | on 02-15-1984 |
| 5. | 25.50 ft | on 03-06-1979 |
Recent Crests
| 1. | 30.74 ft | on 09-18-2004 |
| 2. | 29.50 ft | on 01-20-1996 |
| 3. | 23.00 ft | on 04-02-1993 |
| 4. | 27.00 ft | on 02-15-1984 |
| 5. | 25.50 ft | on 03-06-1979 |
| 6. | 27.60 ft | on 09-26-1975 |
| 7. | 38.20 ft | on 06-23-1972 |
| 8. | 30.60 ft | on 03-11-1964 |
| 9. | 32.80 ft | on 11-25-1950 |
| 10. | 37.90 ft | on 03-19-1936 |
| 11. | 37.30 ft | on 06-01-1889 |
Historic Crests
| 1. | 38.20 ft | on 06-23-1972 |
| 2. | 37.90 ft | on 03-19-1936 |
| 3. | 37.30 ft | on 06-01-1889 |
| 4. | 32.80 ft | on 11-25-1950 |
| 5. | 30.74 ft | on 09-18-2004 |
Historic Crests
| 1. | 38.20 ft | on 06-23-1972 |
| 2. | 37.90 ft | on 03-19-1936 |
| 3. | 37.30 ft | on 06-01-1889 |
| 4. | 32.80 ft | on 11-25-1950 |
| 5. | 30.74 ft | on 09-18-2004 |
| 6. | 30.60 ft | on 03-11-1964 |
| 7. | 29.50 ft | on 01-20-1996 |
| 8. | 27.60 ft | on 09-26-1975 |
| 9. | 27.00 ft | on 02-15-1984 |
| 10. | 25.50 ft | on 03-06-1979 |
| 11. | 23.00 ft | on 04-02-1993 |
Vertical Datum Table
| type | NAVD88 | NGVD29 |
|---|---|---|
| major Flooding | 541.54 ft | 541.54 ft |
| moderate Flooding | 540.54 ft | 540.54 ft |
| minor Flooding | 538.54 ft | 538.54 ft |
| action | 535.54 ft | 535.54 ft |
| Latest Value | 515.58 ft | 515.58 ft |
| Gauge Zero | 512.54 ft | 512.54 ft |
Gauge Photos
No Images Found
Unique Local Info
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Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels |
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| 10 Day (HEFS) | 10 Day (NAEFS) | 10 Day (GEFS) |
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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.
Collaborative Agencies
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.