Green Brook at Plainfield, NJ
River level and flood forecast · Somerset County
Normal1.5 ftas of Tue 12:30 AM
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 Green Brook at Plainfield to flood, when it floods, and when it's over.
Flood stages
| Action stage | 7 ft |
| Record crest (August 2, 1973) | 13.6 ft |
Highest crests on record
- 13.6 ft — August 2, 1973
- 12.24 ft — September 2, 2021
- 12.17 ft — September 16, 1999
- 11.4 ft — October 19, 1996
- 10.92 ft — March 14, 2010
Recent crests: 8.74 ft (March 6, 2026) · 9.43 ft (January 10, 2024) · 8.9 ft (December 28, 2023) · 9.94 ft (December 18, 2023) · 12.24 ft (September 2, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GRBN4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.