West Branch Susquehanna River at Jersey Shore, PA

River level and flood forecast · Lycoming County

Normal2.4 ftas of Mon 3 PM

The river is 23.6 ft below flood stage (26 ft).

Forecast to rise to 3.8 ft Tue 2 PM, below the 26 ft flood stage.

Flow: 3,100 cubic feet per second (USGS).

The last 7 days and the forecast

-10010203040TueThuSatMonWedAction 23 ftFlood 26 ftModerate 28 ftMajor 29 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 2:51 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage29 ft
Moderate flood stage28 ft
Flood stage26 ft
Action stage23 ft
Record crest (June 23, 1972)38.2 ft

What floods at each level

From the National Weather Service, highest first.

  • 44 ftApproximate level of the FEMA 0.2% Annual Chance Flood level (500-year flood).
  • 38 ftFlood 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 ftApproximate level of the FEMA 2% Annual Chance Flood level (50-year flood).
  • 32.5 ftFlood waters begin to reach the Route 44 Bridge in Jersey Shore.
  • 32 ftMost of Jersey Shore adjacent to the river is flooded.
  • 31.5 ftApproximate level of the FEMA 10% Annual Chance Flood level (10-year flood).
  • 29 ftMany homes and businesses in Jersey Shore are affected by high water.
  • 28 ftThe left, or north bank overflows. Some homes adjacent to the river are flooded.
  • 26 ftThe river overflows onto Log Island.
  • 23 ftLong Island (Route 44) and North Main Street in Jersey Shore may be closed to traffic.

Highest crests on record

  1. 38.2 ft — June 23, 1972
  2. 37.9 ft — March 19, 1936
  3. 37.3 ft — June 1, 1889
  4. 32.8 ft — November 25, 1950
  5. 30.74 ft — September 18, 2004

Recent crests: 30.74 ft (September 18, 2004) · 29.5 ft (January 20, 1996) · 23 ft (April 2, 1993) · 27 ft (February 15, 1984) · 25.5 ft (March 6, 1979)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (JRSP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.