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Alder Lake (Ontario) — a popular fishing spot. About 16 ha in area. Close by — Kitchener and Cambridge. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.
Drizzle: 9–13 °C
Thursday, September 3
The bite is moderate — fish feed in short bursts. Pressure is dropping — this usually boosts the bite.
Best time — 06:00–08:00 (dawn bite) and 20:00–22:00 (dusk bite).
Look for drop-offs and gaps in the weeds, retrieve slowly, lingering over promising spots.
In clear water, natural colors work best: small jig or minnow bait.
No special gear needed — seasonal clothing will do.
An average day — best chances during peak windows.
The computed water temperature is around 16 °C — inside the 14–24 °C comfort range for Black crappie, so baseline activity is high.
Black crappie works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is rising 4 hPa 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.
September is an active season for Black crappie here.
These are the same values the bite curve above was computed from. How the forecast works
Cloudy · feels like +16°
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?Measured river conditions are available for Alder Lake: current gauge height, streamflow, and water temperature when reported by the source.
USGS gauge ALDER CREEK NEAR NEW DUNDEE, 2 km away · measured 2026-09-03 13:35 · data source · provisional data, subject to revision