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Shawsheen River (Massachusetts) — one of the area's fishing spots. About 46 km long. Nearby towns: Lawrence, Methuen and Woburn. See when the bite is best: hourly fish activity for the days ahead, computed from the weather, pressure, and season.
Nearest towns and cities
Other nearby places to fish
Other nearby waters
The course is moderately sinuous: pools are scoured at the bends and riffles run between them.
Massachusetts: the months when each species peaks and when it goes quiet. The current month is outlined.
| Fish | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Black crappie | active | peak | peak | peak | active | fair | fair | active | active | active | active | active |
| White crappie | active | peak | peak | peak | active | fair | fair | active | active | active | active | active |
| Lake trout | peak | peak | active | active | fair | fair | slow | fair | active | active | peak | peak |
| Striped bass | slow | fair | active | peak | peak | active | active | active | peak | active | fair | slow |
| Brook trout | slow | slow | fair | peak | peak | active | active | active | peak | active | fair | slow |
| Pike | fair | fair | fair | fair | active | active | active | peak | peak | peak | active | fair |
| Rainbow trout | slow | fair | active | peak | peak | active | active | active | active | slow | slow | slow |
| Smallmouth bass | slow | slow | fair | active | active | active | active | peak | peak | active | fair | slow |
| Walleye | slow | slow | fair | active | peak | active | active | peak | peak | active | fair | slow |
| Yellow perch | slow | slow | fair | active | peak | active | active | peak | peak | active | fair | slow |
| Atlantic salmon | slow | slow | fair | active | peak | peak | active | active | active | fair | slow | slow |
| Brown trout | slow | slow | fair | peak | peak | peak | active | active | fair | slow | slow | slow |
| Largemouth bass | slow | fair | fair | active | peak | peak | active | active | fair | fair | fair | slow |
| Bluegill | slow | slow | slow | fair | active | peak | peak | active | fair | slow | slow | slow |
| Carp | slow | slow | slow | fair | active | peak | peak | active | fair | slow | slow | slow |
| Channel catfish | slow | slow | slow | fair | active | peak | peak | active | fair | slow | slow | slow |
Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses.
Shawsheen River — Tuesday, October 20
The bite is weak — fish are sluggish. Pressure is rising — activity tends to be more subdued. Peak 07:00–08:00 and 18:00–19:00.
The computed water temperature is around 57 °F — inside the 39–57 °F comfort range for Atlantic salmon, so baseline activity is high.
Atlantic salmon works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is rising 0.09 inHg over the day — the bite usually settles down after a rise.
One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.
October is an average month for Atlantic salmon here.
These are the same values the bite curve above was computed from. How the forecast works
Cloudy · feels like +51°
The day is 3 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
Geomagnetic fieldG1 geomagnetic storm, Kp 4.7
Kp index — NOAA forecast. Not part of the bite score: catches show no link between geomagnetic storms and the bite.
The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.
What are solunar periods?Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses.
Shawsheen River — Tuesday, October 20
The bite is weak — fish are sluggish. Pressure is rising — activity tends to be more subdued. Peak 07:00–08:00 and 18:00–19:00.
Measured river conditions are available for Shawsheen River: current gauge height, streamflow, and water temperature when reported by the source.
USGS gauge SHAWSHEEN RIVER NEAR WILMINGTON, MA, 1 mi away · measured 2026-10-20 22:30 · data source · provisional data, subject to revision