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11 verified Brown trout catches are linked to River Usk. The forecast below uses this waterbody and current weather data.
Hourly activity and a seven-day calendar for Brown trout.
Wednesday, October 21
Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses. The water's cold — fish it more delicately and slowly.
River Usk — Wednesday, October 21
The bite is moderate — fish feed in short bursts. Pressure is dropping — this usually boosts the bite. Peak 07:00–09:00 and 18:00–19:00.
The computed water temperature is around 9 °C — inside the 6–17 °C comfort range for Brown trout, so baseline activity is high.
Brown trout works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is rising 8 hPa over the day — the bite usually settles down after a rise.
October is an average month for Brown trout here.
These are the same values the bite curve above was computed from. How the forecast works
Drizzle · feels like 0°
The day is 4 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
Geomagnetic fieldG1 geomagnetic storm, Kp 4.7
Kp index — NOAA data. Not part of the bite score: catches show no link between geomagnetic storms and the bite.
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?BiteGuideFrom anglers’ reports
This is a summary of anglers' reports, not a proven cause of the bite: conditions lining up does not mean they drove it.
vertical axis — number of catches
| Value | Catches | Share |
|---|---|---|
| Apr | 6 | 55% |
| May | 1 | 9% |
| Jun | 2 | 18% |
| Jul | 2 | 18% |
River Usk (Powys) — a popular fishing spot. About 67 km long. Flows into Bristol Channel. Nearest town — Llanwrtyd Wells. See when the bite is best: hourly fish activity for the days ahead, computed from the weather, pressure, and season.
Biting
Fish in 11 of 11 reports
Anglers have logged 11 fishing reports here. Peak season: April–July.