Tanana River at Nenana, AK

River level and flood forecast · Yukon-Koyukuk County

Normal4.0 ftas of Tue 3:15 AM

The river is 8.5 ft below flood stage (12.5 ft).

Flow: 23,500 cubic feet per second (USGS).

River camera

Tanana River at Nenana, AK: the newest picture from the USGS camera
Taken Tue 3 AM
Watch the time-lapse

Camera by the U.S. Geological Survey. Most take a picture every hour, some every few minutes; many stop at night.

The last 7 days and the forecast

05101520WedThuFriSatSunMonTueAction 11 ftFlood 12.5 ftModerate 14.5 ftMajor 16 ftNowObserved (ft)NWS forecast

NWS forecast issued Sat, Oct 10, 8:18 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 Tanana River at Nenana to flood, when it floods, and when it's over.

Free, no account. Email when the NWS forecasts this river to flood, when it floods, and when it's over. Every email has a stop link.

Flood stages

Major flood stage16 ft
Moderate flood stage14.5 ft
Flood stage12.5 ft
Action stage11 ft
Record crest (August 18, 1967)18.5 ft

What floods at each level

From the National Weather Service, highest first.

  • 13.5 ftHeight of seawall

Highest crests on record

  1. 18.5 ft — August 18, 1967
  2. 15.5 ft — May 20, 1948
  3. 14.66 ft — August 2, 2008
  4. 14.2 ft — May 2, 1989
  5. 14.11 ft — June 16, 1962

Recent crests: 11.67 ft (August 31, 2025) · 11.46 ft (August 11, 2024) · 11.46 ft (August 1, 2024) · 12.63 ft (August 31, 2023) · 11.09 ft (July 14, 2022)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (ENNA2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.