Rivermatics

USGS Streamgage 14157500

Coast Fork Willamette River near Goshen, OR

Coast Fork Willamette River near Goshen, OR is USGS streamgage 14157500 in Oregon, monitoring river discharge in hydrologic subbasin 17090002. It sits on the Coast Fork Willamette River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 642 square miles. Discharge records at this site go back to 1905. Typical flow runs near 195.6 cfs in July and 1,240.6 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead, alongside daily high and low water-temperature forecasts.

View live conditions & forecast →

Gauge details

State
Oregon
Drainage area
642 sq mi
Subbasin (HUC-8)
17090002
Coordinates
43.9804, -122.96647
USGS site number
14157500
Records begin
1905-10-01 (121 years)
Rivermatics forecast
14-day flow outlook + water temperature

14-day flow forecast

Based on observations through for Coast Fork Willamette River near Goshen, OR. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
171 176 181
172 184 230
174 195 293
169 192 372
166 190 420
165 192 459
162 190 512
160 191 539
159 190 548
157 191 592
156 193 628
154 194 643
153 193 692
152 198 735

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 120 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 693.5 2,471.9 7,858.4
February 543.4 1,712.8 6,050.3
March 531.4 1,565.5 4,935.8
April 467.3 1,240.6 3,289
May 332.8 615.6 2,389.4
June 236.5 387.3 1,238.9
July 145.4 195.6 390.1
August 130.4 179.4 767.7
September 159 478.7 942.6
October 201.1 751 1,412.9
November 204.5 957.8 4,379.7
December 455.7 2,141 7,439.7

All values in cubic feet per second (cfs).

Common questions

When does Coast Fork Willamette River near Goshen, OR normally run highest?
January, on the long-term record. The median daily flow that month is about 2,471.9 cfs, against 179.4 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Coast Fork Willamette River near Goshen, OR?
It depends on the month. In January, half of days historically fall near 2,471.9 cfs, with the middle 80% of days between 693.5 and 7,858.4 cfs. The month-by-month table on this page gives the full range.
How long has Coast Fork Willamette River near Goshen, OR been measured?
Discharge records at USGS site 14157500 begin in 1905, about 121 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Coast Fork Willamette River near Goshen, OR?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. A companion model forecasts each day's water-temperature high and low. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is Coast Fork Willamette River near Goshen, OR?
The gauge sits at 43.9804, -122.96647, in Oregon, in hydrologic subbasin 17090002, draining roughly 642 square miles.
Can I use Coast Fork Willamette River near Goshen, OR data for flood or safety decisions?
No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.

Upstream and downstream on the Coast Fork Willamette River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Coast Fork Willamette River in full.

Other gauges in this subbasin