Flat Brook above Flatbrookville, NJ
River level and flood forecast · Sussex County
The river is 3.4 ft below flood stage (6 ft).
Flow: 133 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 Flat Brook above Flatbrookville to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 9 ft |
| Moderate flood stage | 7 ft |
| Flood stage | 6 ft |
| Action stage | 5 ft |
| Record crest (August 28, 2011) | 12.9 ft |
Highest crests on record
- 12.9 ft — August 28, 2011
- 12.58 ft — August 19, 1955
- 9.52 ft — April 16, 1983
- 9.27 ft — April 16, 2007
- 8.56 ft — December 21, 1973
Recent crests: 6.77 ft (December 19, 2023) · 7.68 ft (April 8, 2022) · 7.75 ft (September 2, 2021) · 6.9 ft (December 25, 2020) · 12.9 ft (August 28, 2011)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (FLAN4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.