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River Rivière Delisle (Quebec) — a popular fishing spot. About 34 km long. Flows into St. Lawrence River, Main stem Saint Lawrence River drainage basin. This page shows an hourly bite forecast for today and the week ahead; the algorithm factors in the weather, atmospheric pressure, and the moon phase.
Other nearby places to fish
The course is moderately sinuous: pools are scoured at the bends and riffles run between them.
Wednesday, October 21
Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses. The water's cold — fish it more delicately and slowly.
Rivière Delisle — Wednesday, October 21
The bite is strong — fish are active. Pressure is dropping — this usually boosts the bite. Peak 08:00–09:00 and 17:00–19:00.
The computed water temperature is around 4 °C — inside the 1–10 °C comfort range for Arctic char, so baseline activity is high. Under ice Ice cover is judged from the seasonal normal, so during a thaw the modelled water can read above freezing while the ice still holds.
Arctic char works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is dropping 3 hPa over the day — fish are usually more active ahead of a weather change.
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 active season for Arctic char here.
These are the same values the bite curve above was computed from. How the forecast works
Cloudy · feels like -2°
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?Quebec: 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 | active | active | peak | peak | peak | active | fair | fair | fair | active | active |
| Lake trout | active | peak | peak | peak | peak | active | active | fair | slow | fair | active | active |
| Striped bass | active | slow | slow | slow | active | peak | peak | active | active | active | peak | peak |
| Brook trout | slow | slow | slow | slow | fair | active | peak | active | active | active | active | active |
| Pike | active | active | fair | fair | fair | fair | fair | active | active | peak | peak | peak |
| Whitefish | fair | slow | slow | slow | fair | active | peak | active | active | peak | peak | active |
| Atlantic salmon | slow | slow | slow | fair | peak | peak | peak | active | active | active | slow | slow |
| Brown trout | slow | slow | slow | slow | fair | active | peak | peak | peak | active | active | slow |
| Largemouth bass | slow | slow | slow | slow | fair | active | peak | peak | peak | peak | active | fair |
| Muskellunge | fair | slow | slow | slow | fair | active | peak | active | active | active | active | fair |
| Rainbow smelt | active | peak | peak | peak | peak | active | slow | slow | slow | slow | slow | fair |
| Rainbow trout | slow | slow | slow | slow | fair | active | peak | peak | active | active | active | fair |
| Sauger | fair | slow | slow | slow | fair | active | peak | active | active | active | active | fair |
| Walleye | fair | slow | slow | slow | fair | active | peak | active | active | active | active | fair |
| Arctic char | slow | slow | slow | slow | fair | active | peak | peak | peak | active | fair | slow |
| Lake sturgeon | slow | slow | slow | slow | slow | active | active | active | active | active | fair | fair |
| Yellow perch | slow | slow | slow | slow | slow | active | active | active | active | active | fair | fair |
| Burbot | peak | active | fair | fair | fair | slow | slow | slow | slow | slow | active | peak |
| Carp | slow | slow | slow | slow | slow | slow | active | active | active | fair | slow | slow |
| Smallmouth bass | slow | slow | slow | slow | slow | fair | active | active | fair | fair | fair | fair |
| Channel catfish | slow | slow | slow | slow | slow | slow | fair | active | fair | fair | slow | slow |
Blue check: this species appears as a catch in reports for this waterbody.
Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses. The water's cold — fish it more delicately and slowly.
Rivière Delisle — Wednesday, October 21
The bite is strong — fish are active. Pressure is dropping — this usually boosts the bite. Peak 08:00–09:00 and 17:00–19:00.
Biting
Fish in 1 of 1 report · Mostly Largemouth bass
Anglers have logged 1 fishing report here. Most commonly caught: Largemouth bass. Peak season: October.
Measured river conditions are available for Rivière Delisle: current gauge height, streamflow, and water temperature when reported by the source.
USGS gauge RIVIERE DELISLE NEAR GLEN NORMAN, 24 km away · measured 2026-10-21 06:25 · data source · provisional data, subject to revision