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All California reports
Lower Yuba River
Generated artwork: BlueStreamFly · Regional illustration; not the exact location.
Should I go fishing?
Skip fishing here today.
No access method is recommended today. Review the live conditions below before choosing another river or day.
Fishing rating39
Rating updatedRiver local time:
Why this recommendation?
An active alert is in effect: Red Flag Warning issued September 11 at 10:02AM PDT until September 14 at 11:00AM PDT by NWS Sacramento CA. Check public safety sources before going.
Available live dataHighHow much of the live flow, weather, and alert data came back.
Confidence in this recommendationHighA verified hard stop is active, so the avoid-or-wait decision is clearer than the fishing score itself.
Usually checks again about every 45 minutes
Red Flag Warning issued September 11 at 10:02AM PDT until September 14 at 11:00AM PDT by NWS Sacramento CA
If you go
- Check first
- Use the USGS Marysville gauge and Yuba Water conditions before wading.
- Try
- Check the Marysville gauge before driving and again before wading.
- Leave when
- Skip the trip when release notices suggest rapid change, when warm-weather fish handling is questionable, when the legal access points are already overloaded, or when you would need to guess about private-boundary crossings to reach the water you want.
Flow and weather
Showing server-checked river conditions while current readings refresh.
- Flow
- 865 cfs
- From the latest stored river check. Open the official source for the newest reading.
- Air forecast
- 73°F
- Next 24h high
- 87.0°F
NWS air forecast near
- Rain chance
- 0%
This is an air forecast, not a river-temperature reading. Check the water with a stream thermometer before fishing in hot weather.
Latest stored weather check
Mostly Clear
- Wind
- 3 mph
- Weather checked
More forecast and source details
Mostly Clear
National Weather Service
Lower Yuba River forecast point
The National Weather Service forecast is temporarily unavailable.
Live data
Where these readings come from
RiverReports gauge: Yuba River near Marysville
Flies for this time of year
Seasonal starting points, not a live hatch report. Match what you see on the water.
- Blue-Winged Olive PatternsBWOView fly guide ↗
- Soft-Hackle Wet Fliessoft hackleView fly guide ↗
- Egg Fly Patternsegg pattern where legalView fly guide ↗
- Stonefly Nymph Patternssmall stoneflyView fly guide ↗
See flies for every season
SeasonWhat to look forFlies to try
Winter
What to look forSkwala stones, BWOs, midges
Flies to try
Spring
What to look forPMDs, caddis, March browns, little yellow stones
Summer
What to look forCaddis, terrestrials, small mayflies
FallThis season
What to look forBWOs, caddis, salmon-egg context
Each fly name opens its matching Fly Box guide.
More fishing tips
Methods, fish species and trip notes
How to fish Lower Yuba River today.
The best Lower Yuba days come when flows are stable, clarity is good, and you have a legal access plan. Fish the river like pressured wild trout water: move slowly, change depth often, and match the hatch only after checking the rocks and edges.
Low clear flow
Use long leaders, careful approaches, small nymphs, emergers, and low-profile dry flies.
Stable medium flow
The most flexible window for nymphing riffles, swinging soft hackles, and watching for heads.
High release
Wading can become dangerous fast. Focus on safe edges or wait for a lower trend.
Warm afternoon
Check temperature, shorten fights, and shift plans if trout handling becomes stressful.
Wading, bank fishing or floating?
Not recommended todayChoose another river or day
No access method is recommended in today's conditions. Review the live river and weather checks before making another plan.
Wading39/100
Not recommended today. Recheck the river, weather, and access before planning another trip.
Bank fishing39/100
Not recommended today. Recheck the river, weather, and access before planning another trip.
Floating15/100
Not recommended today. Recheck the river, weather, and access before planning another trip.
Full river report
Is Lower Yuba River worth the trip today? Check flow, weather, hatches, access, and rules for California before you go.
The Lower Yuba can be a technical, hatch-driven trout river, but public access is limited and flows can change with upstream management. Check the Marysville gauge and current CDFW rules before choosing a reach.
Fishing words used on this page
- U.S. Geological Survey (USGS) gauge
- A USGS gauge is an official river station that measures flow or water height.
- Cubic feet per second (cfs)
- Cubic feet per second, or cfs, shows how much water passes the gauge each second.
- Technical fishing
- Technical fishing means the fish are hard to fool, so careful casts and natural drifts matter.
- Nymph
- A nymph is a young water insect. Anglers also use the word for a fly that copies it.
- Riffle
- A riffle is shallow, fast water broken by rocks.
- Blue-winged olive (BWO)
- Blue-winged olives, or BWOs, are small mayflies that often hatch in cool or cloudy weather.
- Caddis
- Caddis are small water insects. The adults look a little like tiny moths.
- Emerger
- An emerger copies an insect as it rises from below the water toward the surface.
- Indicator
- An indicator is a small floating marker that can show when a fish takes an underwater fly.
- Midge
- Midges are tiny flies and a common trout food, especially in cold water.
Why this call
Why this score
Public alertHurts
An active alert is in effect: Red Flag Warning issued September 11 at 10:02AM PDT until September 14 at 11:00AM PDT by NWS Sacramento CA. Check public safety sources before going.
FlowHelps
USGS shows 865 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1970-2025, 56 readings) show a typical middle range of 503 cfs to 1,070 cfs. Flow is within the typical range for this date, so weather, temperature, and access become the next checks.
SeasonHelps
Fall: Cooler water and salmon activity make etiquette, redd awareness, and current rules important.
WeatherHelps
The current NWS air forecast is about 73F, and the next 24-hour high reaches about 87F. Mostly Clear.
Fishing usefulnessHelps
Skip the trip when release notices suggest rapid change, when warm-weather fish handling is questionable, when the legal access points are already overloaded, or when you would need to guess about private-boundary crossings to reach the water you want.
Trip notes
Check these before you choose a reach.
Use the Marysville gauge and Yuba Water condition notes as a trend tool, not a magic number. Stable or slowly easing releases fish better than abrupt change, and Yuba Water explicitly warns that flows can change rapidly, so a plan that looked fine at breakfast can become a bad wading idea by midday.
Skip the trip when release notices suggest rapid change, when warm-weather fish handling is questionable, when the legal access points are already overloaded, or when you would need to guess about private-boundary crossings to reach the water you want.
Pick the access before the flies: verify the current Yuba Water conditions, decide whether Highway 20, Parks Bar, or another known legal access is your anchor, then fish one reach patiently instead of burning time scouting every visible gravel bar on the river.
If the Lower Yuba is too pushy, crowded, or warm, move to the Feather for a bigger lower-river backup or to the North Yuba if you want a smaller freestone day with different wading and hatch expectations.
Lower Yuba River access and rules.
Use these places as starting points. Open the access link below and check posted signs before you park or enter.
Before you go
Verify CDFW's current Lower Yuba River rules, Wild Trout Water notes, steelhead report-card requirements, and emergency notices before fishing.
Where to access the river
Highway 20 and Parks Bar context
A common planning landmark, but confirm parking, signs, water level, and legal access before fishing.
Marysville gauge reach
Useful for flow reference near the lower river, not a blanket access permission.
County and bridge access
Use official access points and respect closures, posted signs, and private boundaries.
Feather River backup plan
Nearby anadromous water if Yuba flows, access, or clarity are wrong.
- Public access is limited compared with the amount of visible river.
- Yuba Water condition notes are useful because minimum-flow and release changes affect safety.
- Do not cross fences, railroad property, or private fields to reach gravel bars.
- Flows that look manageable from the road can be dangerous once you are on cobble.
- Expect other anglers around the best-known access points during hatch windows.
Sources and report details
Official agencies and primary river operators come first. Secondary tools are labeled so you know what carries the most weight.
Rules and closures
Check what is allowed, where the rule applies, and whether the river is open.
Flow and weather
Check the latest river reading and forecast before you leave.
Access and land
Check public entry points, land rules, and seasonal access changes.
More helpful links
Use these links for stocking, safety, and other local details.
See all 10 checked sources
Rules and closures
Check what is allowed, where the rule applies, and whether the river is open.
What this source covers
Open the current rules and check the river section, season, and special limits.
What this source covers
Open the current rules and check the river section, season, and special limits.
Flow and weather
Check the latest river reading and forecast before you leave.
What this source covers
Open this page and check the latest safety advice before your trip.
What this source covers
Open this river reading to check the latest level, flow, and update time.
What this source covers
Open this river reading to check the latest level, flow, and update time.
What this source covers
Open this river reading to check the latest level, flow, and update time.
Access and land
Check public entry points, land rules, and seasonal access changes.
What this source covers
Open the land or access page, then check signs before you park or enter.
More helpful links
Use these links for stocking, safety, and other local details.
What this source covers
Open this page for more river information and check when it was last updated.
What this source covers
Open this page for more river information and check when it was last updated.
What this source covers
Open this page and check the latest safety advice before your trip.
How this report was checked
How this report was checked
Reviewed byBlueStreamFly River Review Team
Trip guidance checked
What was checked: This Lower Yuba report combines current flow, access, weather, and regulation sources with practical wild-trout planning guidance. Public review dates change only after material source review or meaningful content updates.
Live measurements and forecasts keep their provider timestamps. Rules, access, and trip guidance use the source-review date shown here. BlueStreamFly planning advice is editorial interpretation, not an agency notice.
First-hand experience: BlueStreamFly does not claim a first-hand visit or local field test for this report unless a real contributor is explicitly named and linked.
Quick questions
What gauge should I use for the Lower Yuba?
Use USGS 11421000, Yuba River near Marysville, along with Yuba Water's current river conditions.
Is the Lower Yuba easy to access?
No. Access is limited and mixed with private land, so verify legal parking and river entry before fishing.
What flies should I bring?
Bring stoneflies, PMDs, caddis, BWOs, midges, soft hackles, and a few streamers.
Is it safe to wade?
Only at appropriate flows and from safe access. The river has slick cobble and can become pushy quickly.