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Recorded 4 catches of Flathead catfish in Wisconsin. Most active — July. A day-by-day bite calendar for Flathead catfish.
Friday, September 4
The bite is moderate — fish feed in short bursts. A thunderstorm is possible: activity rises before the front and drops after.
Best time — 00:00–04:00 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: live-bait bottom rig or large bottom bait.
It's a hot day — a hat, sunglasses, and plenty of water are a must. A thunderstorm is possible — bring a rain jacket, and pack up at the first rumble of thunder.
An average day — best chances during peak windows.
The computed water temperature is around 68 °F — colder than the 70–86 °F comfort range for Flathead catfish: the fish conserves energy and takes more cautiously.
Flathead catfish feeds at night: the peak falls in the dark hours, between sunset and sunrise.
Pressure is rising 0.09 inHg over the day — the bite usually settles down after a rise.
September is an average month for Flathead catfish here.
These are the same values the bite curve above was computed from. How the forecast works
Cloudy · feels like +82°
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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