South Branch Raritan River at High Bridge, NJ
River level and flood forecast · Hunterdon County
The river is 3.7 ft below flood stage (10 ft).
Flow: 111 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts South Branch Raritan River at High Bridge to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 14 ft |
| Moderate flood stage | 12 ft |
| Flood stage | 10 ft |
| Action stage | 9 ft |
| Record crest (January 28, 1994) | 14.26 ft |
Highest crests on record
- 14.26 ft — January 28, 1994
- 12.92 ft — August 28, 2011
- 12.07 ft — January 25, 1979
- 11.97 ft — February 1, 1982
- 11.78 ft — March 15, 1940
Recent crests: 11.39 ft (January 10, 2024) · 10.54 ft (December 18, 2023) · 10.97 ft (September 2, 2021) · 10.25 ft (December 25, 2020) · 10.37 ft (December 1, 2020)
Up and down the river, and nearby
- DownstreamSouth Branch Raritan River at Stanton, NJ
- Spruce Run at Glen Gardner, NJ
- Spruce Run at Clinton, NJ
- Mulhockaway Creek at Clinton, NJ
- South Branch Rockaway River at Whitehouse Station, NJ
- Lamington (Black) River at Pottersville, NJ
- Musconetcong River at Bloomsbury, NJ
- Lamington (Black) River at Burnt Mills, NJ
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HBRN4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.