Sudbury River
river in Massachusetts
The Sudbury River offers diverse environments, from rocky stretches for smallmouth to slower, deeper pools and vegetated banks ideal for pike and carp. Its accessibility near metropolitan areas makes it a popular choice for local anglers seeking non-trout species on the fly.
Conditions right now
No USGS gauge is linked to this water yet, so we can't chart flows.
What's working on Sudbury River
- 01Foggy conditions with air temperatures around 53°F on the Sudbury River.
- 02Midge activity (sizes 16-26) is paramount and a consistent food source.
- 03Intermittent Blue-Winged Olive (BWO) hatches (sizes 18-20) expected during overcast periods.
- 04Target Carp, Bluegill, and Pumpkinseed in deeper, slower sections with cover.
- 05Slow and meticulous presentation of subsurface patterns is crucial due to cooler water temperatures.
Past reports week by week
5 weeksWhat to tie on
Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.
Griffith's Gnat
Midge activity is expected, and this pattern imitates midge clusters, effective for rising panfish.
Baetis Nymph
BWO nymphs are active subsurface during fall hatches, a primary food source for Bluegill and Pumpkinseed.
Zebra Midge
Midges are a consistent fall food source; this nymph is effective for subsurface feeding Bluegill, Pumpkinseed, and Carp.
Buy at AmazonScud (Pink/Orange)
Scuds are a consistent food source year-round, especially in vegetated areas, appealing to Carp, Bluegill, and Pumpkinseed.
Buy at AmazonBlue-Winged Olive Comparadun
Matches expected fall BWO hatches for rising Bluegill and Pumpkinseed.
Woolly Bugger (Olive)
Imitates leeches and baitfish, a consistent food source for predatory fish like bass and opportunistic panfish/carp in fall.
Carp Fly (Backstabber)
Crayfish and other invertebrates are still active subsurface in fall, a key food source for Carp.
Buy at The Fly ShopHellgrammite Fly
Hellgrammites are a consistent food source in rocky river environments, active in fall and appealing to Carp and larger Bluegill.
Where to fish and who to ask
Fairhaven Bay
Expansive flat water with good structure for bass and pike.
Great Meadows National Wildlife Refuge
Offers excellent access to varied water, particularly good for pike and carp.
Saxonville Dam Area
Popular area with varied flows, often holding a mix of species.
Fly shops within 40 miles
Concord Outfitters
Big Bear Fishing Department
Tomo's Tackle
Mountain High Fly
Get Sudbury River reports by email
Save this water and we'll email you a weekly summary of conditions, hatches and what's working.
Massachusetts season by season
What changes on the water through the year, with the flies for each season.
Quick answers
Common questions about Sudbury River.
What flies work best on Sudbury River?
Our top scored fly patterns for Sudbury River right now are San Juan Worm (80% confidence), Woolly Bugger (Olive) (80% confidence), Scud (Pink/Orange) (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.
What fish species are in Sudbury River?
Sudbury River holds Carp, Bluegill, Pumpkinseed. See the species links on this page for fly recommendations and seasonal behavior for each.
What are current flow conditions on Sudbury River?
Live USGS streamflow readings for Sudbury River are charted in the sidebar of this page and updated automatically from the nearest gauge.
Is Sudbury River fishing well right now?
We publish a fresh bite report for Sudbury River each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.