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Devon: the months when each species peaks and when it goes quiet. The current month is outlined.
| Fish | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Perch | active | active | active | fair | fair | active | active | active | active | active | peak | peak |
| Dace | slow | slow | fair | active | peak | active | active | active | peak | peak | active | fair |
| European eel | slow | slow | fair | active | active | active | active | active | peak | peak | active | slow |
| Grayling | slow | slow | fair | active | peak | active | active | active | peak | peak | active | fair |
| Ruffe | slow | slow | fair | active | peak | active | active | active | peak | peak | active | fair |
| Whitefish | slow | slow | fair | active | peak | peak | active | active | peak | peak | active | fair |
| Atlantic salmon | slow | slow | fair | active | peak | peak | active | active | active | active | slow | slow |
| Bream | slow | slow | fair | active | peak | peak | peak | peak | active | active | slow | slow |
| Pike | fair | fair | fair | fair | fair | active | active | active | peak | peak | peak | active |
| Rainbow trout | slow | slow | fair | active | peak | peak | active | active | active | active | slow | slow |
| Roach | active | active | peak | peak | peak | fair | fair | fair | fair | fair | active | active |
| Zander | fair | fair | fair | fair | fair | active | active | peak | peak | peak | peak | active |
| Barbel | slow | slow | slow | fair | active | active | active | active | peak | peak | fair | slow |
| Brown trout | slow | slow | slow | active | peak | peak | peak | active | active | fair | slow | slow |
| White bream | fair | fair | active | active | peak | active | peak | active | fair | slow | slow | fair |
| Crucian carp | slow | slow | slow | active | peak | peak | active | active | fair | slow | slow | slow |
| Ide | slow | slow | slow | fair | peak | peak | active | active | active | slow | slow | slow |
| Wels catfish | slow | slow | slow | slow | active | peak | peak | peak | active | slow | slow | slow |
| Bleak | slow | slow | fair | peak | peak | active | active | fair | fair | slow | slow | slow |
| Carp | slow | slow | slow | slow | fair | active | peak | peak | active | slow | slow | slow |
| Chub | slow | slow | slow | fair | active | peak | active | active | fair | slow | slow | slow |
| Rudd | slow | slow | slow | fair | peak | peak | active | active | fair | slow | slow | slow |
| Tench | slow | slow | slow | slow | peak | peak | active | active | fair | slow | slow | slow |
River Umborne Brook (Devon) — a popular fishing spot. About 5 km long. See when the bite is best: hourly fish activity for the days ahead, computed from the weather, pressure, and season.
The course runs nearly straight: there are few bend pools, and the structure to look for is riffles and scour holes. Shorter than 9 of the 10 rivers nearby.
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.
Umborne Brook — Wednesday, October 21
The bite is moderate — fish feed in short bursts. A thunderstorm is possible: activity rises before the front and drops after. Peak 08:00–09:00 and 18:00–20:00.
The computed water temperature is around 9 °C — inside the 4–14 °C comfort range for Atlantic salmon, so baseline activity is high.
Atlantic salmon works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is rising 10 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.
October is an active season for Atlantic salmon 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?Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses. The water's cold — fish it more delicately and slowly.
Umborne Brook — Wednesday, October 21
The bite is moderate — fish feed in short bursts. A thunderstorm is possible: activity rises before the front and drops after. Peak 08:00–09:00 and 18:00–20:00.
Other nearby places to fish
Other nearby waters
Measured river conditions are available for Umborne Brook: current gauge height, streamflow, and water temperature when reported by the source.
Environment Agency gauge Umborne Brook at Wilmington Hayne Lane Tunnel, 1 mi away · typical 0.20–1.14 m · measured 2026-10-21 05:45 · data source · provisional data, subject to revision