Colorado River Below Austin water or watershed scenery in Texas
All Texas reports

Colorado River Below Austin

Photo: Lars Plougmann Opens in a new tab. · CC BY-SA 2.0

Should I go fishing?

Go with caution.

Flow is high for this time of year.

Best option: Floating. A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.

Rating updatedRiver local time:

Why this recommendation?

USGS shows 1,610 cfs. The flow has been rising about 173% over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1899-2026, 128 readings) show a median near 790 cfs and the upper quartile near 1,220 cfs; today's flow is high for the date. Fishable water may exist, but do not rate it highly without a safe access, clarity, and wading or boat plan.

Available live dataHighHow much of the live flow, weather, and alert data came back.
Confidence in this recommendationHighCurrent flow, weather, alerts, and trip-critical signals support this decision.
Usually checks again about every 45 minutes

If you go

Check first
Use the Austin and Bastrop USGS gauges to understand release and downstream trend.
Try
Start with topwater near shade before the sun gets high.
Leave when
Skip or shorten the trip when heat index is unsafe, thunderstorms are building, flows are rising, the shuttle is not confirmed, or the only plan depends on crossing or using private banks.

Flow and weather

Showing server-checked river conditions while current readings refresh.
Flow
1,610 cfs
Rising over about 6 hoursU.S. Geological Survey may revise this reading
Air forecast
75°F
Next 24h high
83.0°F

NWS air forecast near

Rain chance
39%

This is an air forecast, not a river-temperature reading.

7-day U.S. Geological Survey chart

Recent flow

Discharge

2,260 cfs222 cfs
Sep 25Oct 2

Latest reading: 1,610 cfs. Rising over about 6 hours. Chart covers Sep 25 through Oct 2; readings are provisional and may be revised.

Latest stored weather check

Chance Showers And Thunderstorms

Wind
5 mph
Weather checked
More forecast and source details

Chance Showers And Thunderstorms

National Weather Service

Colorado River below Austin, Texas

The National Weather Service forecast is temporarily unavailable.

Live data

Where these readings come from

Current U.S. Geological Survey gauge: Colorado River at Austin

Rising over about 6 hoursU.S. Geological Survey may revise this readingObserved

Flies for this time of year

Seasonal starting points, not a live hatch report. Match what you see on the water.

See flies for every season
SeasonWhat to look forFlies to try

Each fly name opens its matching Fly Box guide.

More fishing tips

Methods, fish species and trip notes

How to fish Colorado River Below Austin today.

The best fly fishing plan is a dawn or evening warmwater session with flow, heat, and access already checked. On hot afternoons, fish shade, deeper outside bends, and current breaks or shift to scouting.

Low clear flow

Use smaller streamers, long casts, and focus on deeper shade and current edges.

Moderate stable flow

Float or wade carefully and cover banks, wood, and gravel transitions.

High or stained water

Avoid unsafe wading and use larger dark streamers from secure positions.

Summer heat

Fish early or late, carry water, and protect fish and yourself from heat stress.

Wading, bank fishing or floating?
Best access methodFloating

These scores compare the risks of wading, bank fishing, and floating.

WadingNot recommended

This report does not recommend wading on this reach.

Bank fishing46/100

Bank and edge fishing is the safer default when water is high, pushy, or not fully verified.

Floating · Best fit55/100

A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.

Full river report

Is Colorado River Below Austin worth the trip today? Check flow, weather, hatches, access, and rules for Texas before you go.

The Colorado below Austin is a bass and warmwater fly fishing page. Flow, access, heat, and shuttle logistics matter more than a trout-style hatch chart.

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.
Nymph
A nymph is a young water insect. Anglers also use the word for a fly that copies it.
Caddis
Caddis are small water insects. The adults look a little like tiny moths.
Midge
Midges are tiny flies and a common trout food, especially in cold water.
River reach
A reach is one named section of a river or stream.
Soft hackle
A soft-hackle fly has moving fibers that can look like an insect rising through the water.
Stained water
Stained water is darker or cloudier after rain, runoff, or a change in flow.
Streamer
A streamer is a fly that looks like a small fish, leech, or other swimming food.
Tailwater
A tailwater is a river below a dam, where releases can change the flow quickly.
Why this call

Why this score

FlowUse caution

USGS shows 1,610 cfs. The flow has been rising about 173% over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1899-2026, 128 readings) show a median near 790 cfs and the upper quartile near 1,220 cfs; today's flow is high for the date. Fishable water may exist, but do not rate it highly without a safe access, clarity, and wading or boat plan.

Short-term weatherUse caution

The forecast has storm or heavy-precipitation risk, so timing and access matter more than the score alone.

Best mode nowUse caution

Float: A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.

SeasonHelps

Fall: Cooling water and baitfish movement make streamer fishing more reliable.

WeatherHelps

The current NWS air forecast is about 75F, and the next 24-hour high reaches about 83F. Chance Showers And Thunderstorms.

Trip notes

Check these before you choose a reach.

Best flows

Use USGS 08158000 at Austin for the immediate below-city trend and USGS 08159200 at Bastrop for downstream context. Stable or gently moving warmwater flows are easier to fish than sudden release changes, flood pulses, or low hot water.

When to leave

Skip or shorten the trip when heat index is unsafe, thunderstorms are building, flows are rising, the shuttle is not confirmed, or the only plan depends on crossing or using private banks.

Local plan

Start with the Austin gauge, then compare the Bastrop trend and TPWD access pages. Pick one legal access sequence, fish shade and current early, carry water, and keep a shorter bank plan ready if wind or heat makes a float unattractive.

Backup water

If the lower Colorado is too hot, high, muddy, or access-complicated, compare the Guadalupe River, San Marcos River, or Pedernales River before forcing the same warmwater plan.

Colorado River Below Austin 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

Check TPWD freshwater rules, river access guidance, and any local access terms before fishing or floating.

Where to access the river

Below Longhorn Dam context

Use USGS Austin flow and local access rules before launching or wading.

Texas River School River Camp

TPWD lists this leased access downstream from Lady Bird Lake with reservation details.

Bastrop-Wilbarger planning reach

TPWD paddling-trail information helps with put-in, takeout, and float planning.

  • Official access and leased access details can change. Verify before driving.
  • Do not assume sandbars, roads, or banks are public.
  • Heat and long shuttles are real constraints on this page.

If this water does not fit the day, check another report before you start the drive.

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.

See all 7 checked sources

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.

Source check is old. Last checked . Open the official links now and check for changes.

See something wrong? Report a source problem. Please do not send private spots or private access notes.

How this report was checked

How this report was checked

Trip guidance checked

What was checked: This report is maintained from current regulation, access, flow, weather, and public planning sources so anglers can make better trip decisions than a raw gauge or generic overview would allow.

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 should I check first before fishing Colorado River Below Austin?

Check USGS Austin and Bastrop gauges, TPWD access pages, weather, heat, and shuttle logistics.

Where should a first-time visitor start on Colorado River Below Austin?

Start with official TPWD access and paddling information around below-Austin and Bastrop reaches.

Can I wade Colorado River Below Austin?

Sometimes near access points and low water, but much of the river fishes better from a kayak or boat.

What flies should I bring for Colorado River Below Austin?

Bring the seasonal fly box, then adjust size, weight, and color to the water level, clarity, temperature, and fishing pressure you find.