7-day U.S. Geological Survey chart
Recent flow
Discharge
501 cfs162 cfs
Sep 5Sep 12
Latest reading: 279 cfs. Falling over about 6 hours. Chart covers Sep 5 through Sep 12; readings are provisional and may be revised.
Should I go fishing?
Check the water temperature first.
Water temperature is unconfirmed. Use a stream thermometer; stop trout fishing at 70°F or warmer, or sooner if fish show stress.
Fishing rating92
Rating updatedRiver local time:
Why this recommendation?
USGS shows 283 cfs. The flow has been falling about 10% over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1910-2025, 95 readings) show a typical middle range of 170 cfs to 317 cfs. Flow is within the typical range for this date, so weather, temperature, and access become the next checks.
Available live dataHighHow much of the live flow, weather, and alert data came back.
Confidence in this recommendationMediumWater temperature not verified; do not use this score to clear warm-water risk.
Usually checks again about every 45 minutes
If you go
- Check first
- Check DEC West Branch Ausable rule reaches before choosing flies or harvest assumptions.
- Try
- Fish upstream and cover the close pockets before stepping into the river.
- Leave when
- Skip or pivot when thunderstorms have the river rising, wading is pushy, public access is unclear, water is too warm for trout handling, or New York trout rules for the exact reach are not confirmed.
Flow and weather
Showing server-checked river conditions while current readings refresh.
- Flow
- 279 cfs
- Falling over about 6 hoursU.S. Geological Survey may revise this reading
- Air forecast
- 50°F
- Next 24h high
- 75.0°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
Patchy Fog
- Wind
- 0 mph
- Weather checked
More forecast and source details
Patchy Fog
National Weather Service
West Branch Ausable near Wilmington
The National Weather Service forecast is temporarily unavailable.
Live data
Where these readings come from
Current U.S. Geological Survey gauge: Ausable River near Au Sable Forks
Falling 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.
- Blue-Winged Olive PatternsBWOView fly guide ↗
- Zebra MidgeView fly guide ↗
- Soft-Hackle Wet Fliessoft hackleView fly guide ↗
- Sculpin Patternsmini sculpinView fly guide ↗
See flies for every season
SeasonWhat to look forFlies to try
April to May
What to look forMidges, early black stones, BWOs, Hendricksons, and caddis
June
What to look forMarch Browns, sulphurs, cahills, caddis, and golden stones
July to August
What to look forCaddis, Isonychia, ants, beetles, hoppers, and pocket-water attractors
Flies to try
September to OctoberThis season
What to look forBWOs, October caddis, midges, and streamer opportunities
Flies to try
Each fly name opens its matching Fly Box guide.
More fishing tips
Methods, fish species and trip notes
How to fish Ausable River, West Branch today.
The West Branch is best when flows are stable, water is cool, and pocket-water seams are readable. If the river is high, slick, or off color after mountain rain, fish short edges or wait.
Stable and clear
Fish dry-droppers, attractor dries, and tight nymph rigs in pocket water.
High or slick
Stay near the bank, avoid crossings, and fish only protected edges.
Low summer water
Use stealth, longer leaders, and stop trout fishing if temperatures climb.
Cold spring flow
Slow down with nymphs and streamers in deeper buckets and soft seams.
Wading, bank fishing or floating?
Access choicesNo single best option
Wading and Bank fishing have the same top score. Use current access, footing, weather, and local rules to choose.
Wading92/100
Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.
Bank fishing92/100
Bank and edge fishing remains a practical low-commitment option if access is legal and footing is safe.
FloatingNot recommended
This report does not recommend floating this reach.
Full river report
Is Ausable River, West Branch worth the trip today? Check flow, weather, hatches, access, and rules for New York before you go.
The public gauge is below the branch confluence, so it is useful context rather than a perfect West Branch reading. On the water, clarity, boulder-pocket speed, and DEC reach rules matter most.
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.
- Seam
- A seam is the line where fast and slow water meet.
- Attractor fly
- An attractor fly is bright or bold. It draws a strike without copying one exact insect.
- 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.
- Confluence
- A confluence is the place where two streams or rivers meet.
- Emerger
- An emerger copies an insect as it rises from below the water toward the surface.
Why this call
Why this score
FlowHelps
USGS shows 283 cfs. The flow has been falling about 10% over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1910-2025, 95 readings) show a typical middle range of 170 cfs to 317 cfs. Flow is within the typical range for this date, so weather, temperature, and access become the next checks.
SeasonHelps
Fall: Cooler flows, BWOs, October caddis, and small streamers become useful.
WeatherHelps
The current NWS air forecast is about 50F, and the next 24-hour high reaches about 75F. Patchy Fog.
Public alertsHelps
No active NWS alert was returned for this forecast point.
Fishing usefulnessHelps
Skip or pivot when thunderstorms have the river rising, wading is pushy, public access is unclear, water is too warm for trout handling, or New York trout rules for the exact reach are not confirmed.
Trip notes
Check these before you choose a reach.
Use USGS 04275500 as Ausable flow context, then pair it with recent rain, visibility, and the exact Wilmington-area reach. It is useful context, but it is not a perfect substitute for every West Branch pocket-water slot.
Skip or pivot when thunderstorms have the river rising, wading is pushy, public access is unclear, water is too warm for trout handling, or New York trout rules for the exact reach are not confirmed.
Start with Wilmington Wild Forest and public-rights context, then pick one safe reach. Fish short drifts, pocket seams, plunge-pool edges, and shaded banks instead of trying to cover too much water.
If the West Branch is high, crowded, warm, or access-limited, compare Esopus Creek for another mountain trout plan, the Delaware West Branch for tailwater-style conditions, or Cattaraugus Creek when the goal is a Lake Erie smaller stream trip.
Ausable River, West Branch 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
NYSDEC lists multiple West Branch Ausable segments with Stocked-Extended and Catch-and-Release categories. Confirm the exact reach in the current DEC rules before fishing.
Where to access the river
Wilmington and Flume area
Core West Branch planning area with named rule segments nearby.
Whiteface Ski Center area
Important DEC rule boundary context for reach selection.
Monument Falls and Holcomb Pond Outlet area
Upper reach planning context with changing rules and access.
- Use DEC public fishing rights, state land, and posted signs to confirm legal access.
- Public rights do not mean you can cross private yards or leave the stream area.
- The main USGS gauge is below the confluence, so always check the actual West Branch before wading.
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.
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.
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.
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.
How this report was checked
How this report was checked
Reviewed byBlueStreamFly River Review Team
Trip guidance checked
What was checked: This West Branch Ausable report is maintained from USGS Ausable flow context, New York freshwater and inland trout regulations, the current freshwater guide, Wilmington Wild Forest information, public fishing rights guidance, weather, media-credit, and Adirondack pocket-water planning sources.
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 the West Branch Ausable?
Check the Au Sable Forks gauge trend, local water clarity, DEC reach rules, mountain weather, and water temperature.
Are there special fishing rules on the West Branch Ausable?
Yes. DEC lists several reach categories on the West Branch, including catch-and-release sections.
What flies should I bring for the West Branch Ausable?
Bring the hatch-chart flies, a small nymph box, and a few streamers. Then adjust for water temperature, clarity, pressure, and the insects or baitfish you actually see.
Can I wade the West Branch Ausable?
Often yes, but it is slick and fast pocket water. Avoid high flows and unnecessary crossings.
When should I skip the West Branch Ausable?
Skip it when flows are unsafe, water is too warm for trout, emergency closures are active, or legal access for the reach is not clear.