Roanoke River at Williamston, NC
River level and flood forecast · Martin County
The river is 7.0 ft below flood stage (12 ft).
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 Roanoke River at Williamston to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 15 ft |
| Moderate flood stage | 13 ft |
| Flood stage | 12 ft |
| Action stage | 10.5 ft |
| Record crest (August 22, 1940) | 20.5 ft |
What floods at each level
From the National Weather Service, highest first.
- 17 ftHomes north and south of Williamston are flooded. Secondary roads adjacent to the river are under water and impassable.
- 15 ftMany secondary roads near the river are flooded. Thousands of acres of farmland are flooded. Several homes and livestock areas are threatened around Island Farms.
- 13 ftMany acres of farmland are flooded. Water will begin to reach some secondary roads near the river.
- 12 ftWidespread low land flooding is expected adjacent to the river. Operations at the water treatment plant in Williamston are impacted by water.
Highest crests on record
- 20.5 ft — August 22, 1940
- 18.1 ft — January 1, 1877
- 16.1 ft — January 1, 1919
- 16 ft — April 18, 1957
- 15 ft — September 26, 1945
Recent crests: 12.34 ft (November 28, 2020) · 12.37 ft (December 1, 2018) · 12.1 ft (May 14, 2017) · 11.61 ft (October 14, 2016) · 11.4 ft (July 17, 2013)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (WLLN7); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.