Au Sable River below Au Sable Forks, NY
River level and flood forecast · Essex County
Normal1.2 ftas of Mon 3:15 PM
Flow: 178 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.
Flood stages
| Action stage | 7 ft |
| Record crest (August 28, 2011) | 15.6 ft |
Highest crests on record
- 15.6 ft — August 28, 2011
- 13.83 ft — November 9, 1996
- 11.6 ft — April 28, 2011
- 11.06 ft — December 18, 2023
- 10.33 ft — November 1, 2019
Recent crests: 8.23 ft (July 11, 2024) · 7.81 ft (April 13, 2024) · 11.06 ft (December 18, 2023) · 8.86 ft (October 8, 2023) · 7.81 ft (May 1, 2023)
Up and down the river, and nearby
- UpstreamEast Branch of the Ausable River at Au Sable Forks, NY
- White Brook (NY) near White Brook near Wilmington NY, NY
- Little Ausable River near Laphams Mills, NY
- Boquet River above Willsboro, NY
- Salmon River at South Plattsburgh, NY
- Saranac River at Plattsburgh, NY
- Little Chazy River above Chazy, NY
- Great Chazy River at Perry Mills, NY
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (AUSN6); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.