Rivermatics

USGS Streamgage 09314700

Green River below Swaseys Rapid near Green River, UT

Green River below Swaseys Rapid near Green River, UT is USGS streamgage 09314700 in Utah, monitoring river discharge in hydrologic subbasin 14060008. It sits on the Green River, alongside 8 other gauges Rivermatics tracks on the same river. Discharge records at this site go back to 2025. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
Utah
Gauge elevation
4,094 ft
Subbasin (HUC-8)
14060008
Coordinates
39.11429, -110.10905
USGS site number
09314700
Records begin
2025-09-17 (1 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Green River below Swaseys Rapid near Green River, UT. 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
2,186 2,367 2,423
2,161 2,377 2,454
2,077 2,343 2,419
2,086 2,354 2,470
2,028 2,325 2,430
2,022 2,332 2,487
2,018 2,352 2,537
1,968 2,323 2,484
1,920 2,286 2,444
1,873 2,253 2,415
1,829 2,226 2,395
1,791 2,204 2,382
1,755 2,184 2,372
1,724 2,163 2,363

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

Common questions

How long has Green River below Swaseys Rapid near Green River, UT been measured?
Discharge records at USGS site 09314700 begin in 2025, about 1 years, covering roughly 323 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Green River below Swaseys Rapid near Green River, UT?
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. 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 Green River below Swaseys Rapid near Green River, UT?
The gauge sits at 39.11429, -110.10905, in Utah, in hydrologic subbasin 14060008, at an elevation of about 4,094 feet.
Can I use Green River below Swaseys Rapid near Green River, UT 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 Green River

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

Other gauges in this subbasin