Wading is the most sensitive plan today. Use protected edges only, avoid crossings, and downgrade quickly if clarity or current feels wrong.

Fly fishing report · West
Mad River
Is Mad River worth the trip today? Check flow, weather, hatches, access, and rules for California before you go.
See the flow chart ↓Generated artwork: BlueStreamFly · Regional illustration; not the exact location.
Maybe. Read the cautions first.
Best option: Float. A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.
See update time and confidence
These scores compare the risks of wading, bank fishing, and floating.
This report does not recommend bank fishing on this reach.
A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.
Your plan
Today's Mad River plan.
Mad River is a North Coast anadromous river where legal status, low-flow rules, and storm timing decide whether a fly day makes sense. Use the live gauge, CDFW low-flow page, and local weather before thinking about flies.
- Check first
- Use RiverReports for a quick chart and 11480390 for official USGS context.
- Try
- Check open status before leaving home, then match the gauge to clarity when you arrive.
- Leave when
- Skip the trip when the Mad is under low-flow closure, when a fresh storm pulse leaves the river muddy or unsafe, when warm low water puts salmonids at risk, or when your whole day depends on bank access that is not clearly public.
Live river check
What the river is doing
Check the latest flow and weather before you go. A quick change can make the river harder or less safe to fish.
- Flow
- 0 cfs
- From the latest stored river check. Open the official source for the newest reading.
- Air now
- 80°F
Current NWS forecast period
- Next 24h high
- 93.0°F
NWS air forecast near
- Rain chance
- 0%
For this forecast period
This is an air forecast, not a river-temperature reading. Check the water with a stream thermometer before fishing in hot weather.
Mostly Clear
Mostly Clear
- Wind
- 8 mph
- Weather checked
Recent flow chart is loading
The latest stored reading is shown above. Check the official source below if you need the newest value now.
More forecast and source details
Mad River forecast point
The National Weather Service forecast is temporarily unavailable.
Where these readings come from
RiverReports gauge: Mad River near Blue Lake
How to fish it
How to fish Mad River today.
Best windows come after the river is open under CDFW low-flow rules and the hydrograph is dropping into fishable shape. Skip Mad River during closures, muddy storm pulses, hot low water, or unclear access conditions.
Fresh clearing flow
Most useful for winter steelhead-style swinging or indicator work near soft edges.
Below low-flow threshold
Do not fish if CDFW closes the river. Closures protect migrating salmonids.
Brown storm water
Skip until the river drops and visibility returns.
Clear pressured water
Use smaller sparse flies and give other anglers room around the hatchery area.
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.
- 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.
- Soft hackle
- A soft-hackle fly has moving fibers that can look like an insect rising through the water.
- Streamer
- A streamer is a fly that looks like a small fish, leech, or other swimming food.
- Terrestrial
- Terrestrials are land insects, such as ants, beetles, and grasshoppers.
Why this call
Why this score
USGS shows 0 cfs. Recent readings do not show a clear trend. USGS marks this reading provisional and may revise it. USGS records for this date (1980-2025, 46 readings) show a median near 0 cfs and a low-water marker near 0 cfs; today's flow is unusually low for the date. Low water can make fish spooky, warm, pressured, or concentrated; check temperature and handling risk.
The current NWS air forecast is about 80F, and the next 24-hour high reaches about 93F. This is an air forecast, not a water-temperature reading. This gauge has no live water temperature. Check the river with a stream thermometer before fishing.
Float: A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.
Summer: Often more of a scouting, warmwater, surf, or estuary-adjacent planning season than a trout or steelhead season.
No active NWS alert was returned for this forecast point.
Trip notes
Trip notes
Check these before you choose a reach.
Use the Blue Lake trend only after checking the CDFW low-flow page. The best windows come when the river is open, clearing, and carrying enough shape for steelhead lanes without turning into a brown push that wipes out the legal and practical fishing water.
Skip the trip when the Mad is under low-flow closure, when a fresh storm pulse leaves the river muddy or unsafe, when warm low water puts salmonids at risk, or when your whole day depends on bank access that is not clearly public.
Start at the Mad River Hatchery area if you want the clearest public anchor, then expand only if the river is open, the gauge trend is steady enough, and you can confirm parking and bank access at the next stop before leaving the first legal area.
If the Mad is closed, dirty, or too pressured, pivot to the lower Mad at Arcata only when the lower river and coastal access look better, or shift to the Eel or Redwood Creek when their gauge trends and legal windows are the stronger fit.
What to try
Mad River flies through the year.
Match the time of year, then let rising fish and current speed guide the next change.
Each fly name opens its matching Fly Box guide.
Access and safety
Mad River access and rules.
Use these places as starting points. Open the access link below and check posted signs before you park or enter. Check CDFW low-flow rules, current sport fishing rules, and steelhead report-card requirements before fishing. Open status can change during the season.
Mad River Hatchery area
CDFW lists fishing access, picnicking, river viewing, and restrooms at the property.
Blue Lake reach
Match the upper/middle river plan to the Blue Lake gauge and current rules.
Bridge and local access
Confirm parking and private-land boundaries before walking downstream.
CDFW identifies the Mad River Hatchery property as a public place for fishing, picnicking, and river viewing, but downstream and upstream access should still be confirmed before walking banks.
Confirm parking, land ownership, and current agency notices before relying on any access point.
Fast storm rises, slippery banks, woody debris, private land, and cold water
River sources
Official Mad River sources.
Official agencies and primary river operators come first. Secondary tools are labeled so you know what carries the most weight.
How this report was checked
How this report was checked
What was checked: This Mad River report is maintained from current low-flow regulation, hatchery-access, flow, weather, and public-source checks so anglers can plan the Blue Lake corridor without overstating how much of the basin is simple public bank water.
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.
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 9 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.
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.
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.
Quick answers
Quick Mad River answers.
Is Mad River usually open for fly fishing?
Do not assume it is open. North Coast low-flow rules and salmonid protections can close these waters when flows are too low or conditions are stressful.
Should I wade or float?
Wading from legal access is usually the safer planning baseline. Floating requires current local access knowledge, safe flow, and a realistic takeout.
Which flow source should I use?
Use the RiverReports chart for a fast read and USGS 11480390 as the official flow source or context source.

















