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Recorded 8 catches of Channel catfish in Iowa. Most active — March–October. A day-by-day bite calendar for Channel catfish.
Wednesday, September 2
The bite is weak — fish are sluggish. Pressure is rising — activity tends to be more subdued.
Best time — 00:00–05:00 and 23:00–23:00 (nighttime activity).
Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses.
The water's turning murky — go with bright, noisy lures: cut-bait bottom rig or stink bait.
It's a hot day — a hat, sunglasses, and plenty of water are a must. Rain is expected — don't forget a rain jacket or a waterproof shell.
A slow day — go only if you really feel like it.
The computed water temperature is around 75 °F — inside the 68–86 °F comfort range for Channel catfish, so baseline activity is high.
Channel catfish feeds at night: the peak falls in the dark hours, between sunset and sunrise.
Pressure is flat: it moves no more than 0.03 inHg over the day, so the weather isn't shifting today's bite.
September is an average month for Channel catfish here.
These are the same values the bite curve above was computed from. How the forecast works
Cloudy · feels like +88°
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.
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