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Advanced Hydrologic Prediction Service
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This probabilistic forecast is issued by the Middle Atlantic River Forecast Center.
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Mapping
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About this graph
Forecasts for the West Branch Susquehanna River at Jersey Shore are issued routinely year-round.
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Upstream Gauge - at Lock Haven Upstream Gauge Downstream Gauge Downstream Gauge - at Williamsport
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 29
Moderate Flood Stage: 28
Flood Stage: 26
Action Stage: 23
Low Stage (in feet): 0

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
Show More Historic Crests

(P): Preliminary values subject to further review.

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
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
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).
32.5 Flood waters begin to reach the Route 44 Bridge in Jersey Shore.
32 Most of Jersey Shore adjacent to the river is flooded.
31.5 Approximate level of the FEMA 10% Annual Chance Flood level (10-year flood).
29 Many homes and businesses in Jersey Shore are affected by high water.
28 The left, or north bank overflows. Some homes adjacent to the river are flooded.
26 The river overflows onto Log Island.
23 Long Island (Route 44) and North Main Street in Jersey Shore may be closed to traffic.

Other Real-time and/or Archive Data Sources:

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.

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
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 954-6400
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Page last modified: 2-Nov-2020 7:30 PM
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