Sf Koyukuk River near Coldfoot water level

Name: Sf Koyukuk River near Coldfoot water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Sf Koyukuk River, Alaska, United States

Directions

Latest reading

Water level

33.20ft Down 0.09 ft over the last 24 hours

Measured Oct 20, 2026, 07:45 PM AKDT (39 min ago)

History

7 days

Water level

What this means

The Sf Koyukuk River near Coldfoot reads 33.20 ft as of Oct 20, 2026, 07:45 PM AKDT. There is no published reference for this river yet, so we can't say whether that is high or low for the season.

It has dropped 0.09 ft over the past 24 hours. In the last month it has stayed between 33.19 ft and 33.69 ft.

Over the past seven days the change adds up to −0.35 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Floating and fishing near Sf Koyukuk River near Coldfoot

Use the recent trend as your guide, and ask locally which gage height makes for a good float.

Weather at the gauge

Rain in the last 3 days: 0.07 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 15° 3° – Wind 5 mph

21 Wed 15° 1° – Wind 1 mph

22 Thu 15° -1° 0.01 in, 33% Wind 3 mph

23 Fri 22° 15° 0.03 in, 41% Wind 9 mph

24 Sat 29° 17° 0.31 in, 75% Wind 9 mph

25 Sun 36° 29° 0.40 in, 69% Wind 9 mph

26 Mon 37° 35° 1.15 in, 74% Wind 16 mph

Forecast: Open-Meteo

Sunrise 09:24 AM Sunset 06:09 PM Daylight 8 hr, 46 min Waxing gibbous 74%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Slate Creek at ColdfootRiver gauge, Slate Creek	14.32 ft	Below flood stage	+0.08 ft	17 mi

Questions and answers

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Sf Koyukuk River near Coldfoot today?

On Oct 20, 2026, 07:45 PM AKDT, the water level was 33.20 ft. Down 0.09 ft over the last 24 hours.

Is Sf Koyukuk River near Coldfoot rising or falling?

Down 0.09 ft over the last 24 hours. Down 0.35 ft over the last 7 days.

Is the level of Sf Koyukuk River near Coldfoot normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:15564880 (Agency page)
Coordinates: 67.01944, -150.29250 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	33.20 ft	2026-10-21 03:45	Provisional

Download

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How to cite

U.S. Geological Survey: Sf Koyukuk River near Coldfoot (usgs:15564880). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/alaska/sf-koyukuk-river-near-coldfoot

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer