West Branch Oswegatchie River near Harrisville, NY
River level and flood forecast · St. Lawrence County
Normal1.8 ftas of Mon 4:30 PM
Forecast to rise to 2.8 ft Wed 8 AM.
Flow: 104 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 11:14 AM. Forecasts change as rain falls and as upstream water arrives.
Highest crests on record
- 10.64 ft — January 9, 1998
- 9.6 ft — January 9, 1930
- 9.52 ft — April 11, 1993
- 9.31 ft — March 15, 1977
- 9.28 ft — April 5, 1963
Recent crests: 7.02 ft (August 11, 2024) · 7.47 ft (March 21, 2022) · 7.41 ft (March 27, 2021) · 7.21 ft (November 2, 2019) · 8.49 ft (October 31, 2017)
Up and down the river, and nearby
- DownstreamOswegatchie River near Heuvelton, NY
- Oswegatchie River near Oswegatchie, NY
- Beaver River (NY) at Croghan, NY
- Independence River at Donnattsburg, NY
- Raquette River at South Colton, NY
- Black River at Watertown, NY
- Raquette River at Piercefield, NY
- West Branch of the St. Regis River near Parishville, NY
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HVLN6); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.