Historical photograph of the Swift River and former Athol Branch bridge piers in Ware, Massachusetts, June 2021
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Swift River Fishing Report — Quabbin Tailwater, MA

Photo: Pi.1415926535 Opens in a new tab. · CC BY-SA 4.0 Opens in a new tab. · Ware, June 2021; historical river context, not today's conditions or an upper-reach access view. Cropped for display.

Should I go fishing?

Go with caution.

Fishable with caution. Keep to reachable water.

Fish from the bank. Avoid crossings. Use a legal bank with a clear exit, measure the water and leave for rising flow or lightning.

Check first: Water temperature not verified; do not use this score to clear warm-water risk. Current West Ware flow and weather support tailwater planning. Water temperature, clarity, fish activity, crowds and exact access conditions are not measured.

Rating updatedRiver local time:

Why this recommendation?

USGS shows 119 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1940-2025, 86 readings) show a median near 93 cfs and the upper quartile near 115 cfs; today's flow is high for the date. USGS 01175500 describes flow and stage in the Quabbin tailwater at West Ware. It does not measure water temperature, clarity, fish activity, crowds or safe wading. Same-date historical flow is context, not a universal fishable range. The same-date comparison uses 1940-2025 gauge records; use that older record as context, not a current normal-flow threshold. 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 recommendationMediumWater temperature not verified; do not use this score to clear warm-water risk. Current West Ware flow and weather support tailwater planning. Water temperature, clarity, fish activity, crowds and exact access conditions are not measured.
Usually checks again about every 45 minutes

If you go

Start
Choose the upper fly-only reach or the water below Route 9. Check that reach's rules and legal parking before rigging.
Try
Begin with a small midge or nymph on a controlled drift. Switch to a dry when you see fish feeding at the surface.
Adjust
Change depth and drift before changing flies. Give other anglers space. Leave rising water, lightning or an uncertain exit.

Flow and weather

Showing server-checked river conditions while current readings refresh.
Flow
119 cfs
Stable over about 6 hoursU.S. Geological Survey may revise this reading
Air forecast
53°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.

7-day U.S. Geological Survey chart

USGS 01175500 at West Ware · Quabbin tailwater · discharge in cfs

Discharge

120 cfs117 cfs
Sep 5Sep 12

Latest reading: 119 cfs. Stable over about 6 hours. Chart covers Sep 5 through Sep 12; readings are provisional and may be revised.

Latest stored weather check

Clear

Wind
5 mph
Weather checked
More forecast and source details

Clear

National Weather Service

Swift tailwater near Belchertown

The National Weather Service forecast is temporarily unavailable.

Live data

Where these readings come from

Current U.S. Geological Survey gauge: Swift River at West Ware

Stable 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

Seasonal flies for the Swift

Start with your month's row, then match the insect size and feeding you see. These are seasonal suggestions, not a live hatch report.

SeasonWhat to look forFlies to try

Every choice links to a pictured guide. Family guides show a named example: the Sulphur photo is a parachute dry, not a comparadun or emerger. A dry-dropper is a rig, not a single fly.

More fishing tips

Methods, fish species and trip notes

Live flow at West Ware

A stable release can make the day easier to plan, but fish still respond to light, food and disturbance. Use the live readings above and actual feeding to choose your presentation.

Stable flow

Look for reachable feeding lanes. Stable discharge does not prove clear water, low crowds or safe footing.

High or rising

Avoid crossings. Stay on a legal bank when depth, current or the exit is uncertain.

Low flow

Approach slowly, fish the nearest lane first and avoid walking through shallow holding water.

Water temperature

West Ware does not supply a current temperature here. Measure at your access. As a conservative trout-care rule, stop at 70°F or warmer, or sooner if fish show stress.

Wading, bank fishing or floating?
Best access methodBank fishing

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

WadingCheck

Only enter a visible protected edge after checking current, depth, footing and an easy exit. Avoid forced crossings.

Bank fishing · Best fit57/100

Use a legal bank with stable footing and casting room. Confirm the reach's rules, access hours and water temperature.

FloatingNot recommended

This report does not recommend floating this reach.

Full river report

Plan a short trout session below Quabbin near Belchertown and Ware. Start with the flow, choose your side of Route 9, and match a small fly to the feeding you see.

USGS 01175500 measures flow and stage below Quabbin. The fishing rating combines those readings with weather and reviewed trout guidance. It does not measure water temperature, clarity, crowds or fish activity.

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.
Presentation
Presentation means how you cast and move the fly so it looks natural to a fish.
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.
Midge
Midges are tiny flies and a common trout food, especially in cold water.
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 119 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1940-2025, 86 readings) show a median near 93 cfs and the upper quartile near 115 cfs; today's flow is high for the date. USGS 01175500 describes flow and stage in the Quabbin tailwater at West Ware. It does not measure water temperature, clarity, fish activity, crowds or safe wading. Same-date historical flow is context, not a universal fishable range. The same-date comparison uses 1940-2025 gauge records; use that older record as context, not a current normal-flow threshold. Fishable water may exist, but do not rate it highly without a safe access, clarity, and wading or boat plan.

Water temperature checkUse caution

USGS 01175500 at West Ware supplies flow and stage, not a current water-temperature reading. Measure the exact access. Choose another water at 70°F or warmer.

Best mode nowUse caution

Bank / edge: Use a legal bank with stable footing and casting room. Confirm the reach's rules, access hours and water temperature.

SeasonHelps

September–December: Small olives and midges remain useful starting points.

WeatherHelps

The current NWS air forecast is about 53F, and the next 24-hour high reaches about 75F. Clear.

Trip notes

What the gauge tells you

Best flows

Use fresh West Ware flow, the six-hour trend and same-date history. No single cfs range guarantees catches or safe wading.

When to leave

Leave for lightning, rapid rises, uncertain footing or access restrictions. Measure water. Stop trout fishing at 70°F or warmer, or sooner if fish show stress.

Local plan

Choose the correct side of Route 9, confirm its rules, then watch one reachable lane before selecting a small fly.

Backup water

If parking is full or the water is unsuitable, try another time. Nearby rivers need their own flow, temperature, rule and access checks.

What you can fish for

Tailwater trout

Primary fish

When: Year-round, within reach-specific rules and access hours

Brook, rainbow and brown trout guide this plan. Water temperature, flow, food and disturbance affect the day.

Reservoir and other Swift waters

Check current rules

When: Separate trip plan

The rating does not cover reservoir salmon, lake boating, upstream branches or New Hampshire's Swift River.

Choose your Swift River reach

Route 9 separates two rule zones. Use designated parking and posted approaches; neither the gauge nor an informal pull-off grants access.

Before you go

Winsor Dam to Route 9: catch-and-release and fly fishing only all year. DCR lists fishing from the Y-Pool to Route 9 from 4 AM to 9 PM. Stay out of the power-station no-trespassing zone. Route 9 to Cady Lane: July 1–December 31 is catch-and-release with artificial lures only. January 1–June 30 allows bait and harvest under the applicable state limits. Do not possess bait in a catch-and-release area. Check current MassWildlife rules, DCR notices, and posted boundaries before fishing.

Rules by reach

Rules by reach: fishing rules by reach and season
River section and seasonFishing rules
Winsor Dam–Route 9

Winsor Dam to Route 9: catch-and-release and fly fishing only all year. DCR lists fishing from the Y-Pool to Route 9 from 4 AM to 9 PM. Stay out of the power-station no-trespassing zone.

Official rule
Route 9–Cady Lane

Route 9 to Cady Lane: July 1–December 31 is catch-and-release with artificial lures only. January 1–June 30 allows bait and harvest under the applicable state limits.

Official rule
Tackle and release

Do not possess bait in a catch-and-release area. Check current MassWildlife rules, DCR notices, and posted boundaries before fishing.

Official rule

Where to access the river

Route 9 · upper reach

Use posted parking and the marked approach toward the Y-Pool. Fly fishing and catch-and-release apply year-round. Check DCR hours and the power-station exclusion.

Site details

River Road · below Route 9

Use the access areas identified by MassWildlife. The Route 9–Cady Lane rules change July 1 and January 1. Inspect signs and footing.

Site details

Cady Lane

The named downstream end of this special-rule area. Confirm the posted boundary and legal approach. Do not extend this rating into another reach.

Site details
  • Use designated parking. Do not block gates or assume a roadside space is legal.
  • Stay outside the posted power-station zone. Reservoir boating seasons and restrictions do not automatically describe the permitted river area.
  • Give other anglers room. This walk/wade report does not assess a float trip. Wider Swift River boating needs a separate access and safety plan.

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

Sources and report details

Desk review dated September 3, 2026. Live readings update separately. No field visit, current hatch, water-temperature reading or access inspection is claimed.

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 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.

More helpful links

Use these links for stocking, safety, and other local details.

Recently checked. Last checked . Conditions and rules can still change, so open decision-critical links before fishing.

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: Desk review of USGS, NWS and official Massachusetts source text. No field visit, current hatch, catch, water-temperature reading, access inspection or safe-wading assessment is claimed.

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

Does the Swift River have a live gauge?

Yes. USGS 01175500 at West Ware supplies flow, stage and the seven-day discharge chart for this tailwater. It does not supply a current water-temperature reading here.

Which Swift River does this report cover?

The Quabbin tailwater near Belchertown and Ware, from Winsor Dam to Cady Lane. It does not rate the reservoir, upstream branches or New Hampshire's Swift.

Where is fly fishing only?

Winsor Dam to Route 9 is fly fishing only and catch-and-release year-round. Stay outside the power-station exclusion and check the permitted upper access hours.

Can I keep trout below Route 9?

Between Route 9 and Cady Lane, July through December is catch-and-release with artificial lures only. January through June permits bait and harvest under applicable state limits. Check the current guide before fishing.

What time can I fish the upper reach?

DCR lists Y-Pool to Route 9 fishing from 4 AM to 9 PM. Check current notices and signs. Do not use reservoir night-access information to extend this window.

What flies should I bring?

Start with the pictured row for your month. Small midges and nymphs are useful starting points. Use olives, sulphurs, caddis or ants when you see matching activity. The photos identify patterns, not today's hatch.

Does the rating mean wading is safe?

No. It is a flow-and-weather fishing-planning estimate, not a safety measurement or catch prediction. Check legal access, water temperature, depth, current, footing and an easy exit.