Middlesex County · stream · order 4 river · ~104 cfs typical
Nissitissit River
Stocked 3× on record · MassWildlife
Nissitissit River is a stream in Middlesex County, Massachusetts, stocked with Brook Trout, Brown Trout and Rainbow Trout — most recently on May 11, 2026. FishableWaters aggregates every stocking record for this water from MassWildlife; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Drizzle
78°
64°
10 mph
42%
Fri
Overcast
82°
61°
5 mph
16%
Sat
Overcast
90°
64°
9 mph
3%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| May 11 | Brown Trout | — | ||
| May 11 | Brook Trout | — | ||
| Apr 13 | Rainbow Trout | — | ||
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
All Massachusetts waters with brook trout → · All Massachusetts waters with brown trout →
Nearby waters
- Nissitissit River Reservoir0.9 mi
- Wattles Pond1.4 mi
- Unkety Brook1.6 mistocked Apr 24, 2026
- Nashua River Reservoir2.2 mi
- Pork Barrel Pond1.9 mi
- Hawk Pond2.5 mi
- Sucker Brook2.9 mi
- Martins Pond3.9 mi
Seasons, limits, and rules are the state's call — check the official MA regulations and buy your license before you go. We link the source; we never restate the rules.
Nissitissit River fishing — FAQ
What fish are stocked in Nissitissit River?+
Nissitissit River is stocked with Brook Trout, Brown Trout and Rainbow Trout in Middlesex County, Massachusetts, most recently on May 11, 2026 by MassWildlife. The full stocking ledger is on this page.
Do I need a license to fish Nissitissit River?+
Yes — Massachusetts requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Nissitissit River?+
Nissitissit River is a stream in Middlesex County, Massachusetts. Driving directions and an interactive topo map are on this page.
Data: MassWildlife · updated May 11, 2026 · checked daily · we publish what agencies publish, nothing else.