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Recorded 4 catches of Flathead catfish in Wisconsin. Most active — July. A day-by-day bite calendar for Flathead catfish.
Wednesday, September 2
The bite is moderate — fish feed in short bursts. Weather is steady, with no sharp swings — fish behave predictably.
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: live-bait bottom rig or large bottom 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.
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 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 Flathead catfish here.
These are the same values the bite curve above was computed from. How the forecast works
Clear · feels like +80°
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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