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Lake Lac Robbé (Quebec) — a spot well known among anglers. About 8 ha in area. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.
Cloudy: 7–9 °C
The bite is strong — fish are active. Pressure is rising — activity tends to be more subdued.
Best time — 05:00–08:00 (dawn bite) and 19:00–22:00 (dusk bite).
Look for drop-offs and gaps in the weeds, retrieve slowly, lingering over promising spots. The water's cold — fish it more delicately and slowly.
In clear water, natural colors work best: spoon or large fly. The water's cold — work the lure slower than usual.
Pack transitional-season clothing — mornings and evenings are chilly.
Worth going — it's a productive day.
The computed water temperature is around 9 °C — inside the 1–10 °C comfort range for Arctic char, so baseline activity is high.
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 7 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.
September is peak season for Arctic char here.
These are the same values the bite curve above was computed from. How the forecast works
Cloudy · feels like +6°
The day is 3 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
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?