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Reservoir Thirlmere (Cumbria) — a spot well known among anglers. About 2.8 km² in area, up to 40 m deep. Close by — Windermere and Bowness-on-Windermere. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.
Nearest towns and cities
Cumbria: 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 |
Wednesday, October 21
Chum one spot near a drop-off and wait for fish to arrive — don't chase them.
Thirlmere — Wednesday, October 21
The bite is weak — fish are sluggish. Pressure is dropping — this usually boosts the bite. Peak 11:00–15:00.
The computed water temperature is around 9 °C — colder than the 14–26 °C comfort range for Bleak: the fish conserves energy and takes more cautiously.
Bleak feeds by day — between sunrise and sunset; their times are in the sun-and-moon card above.
Pressure is rising 4 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 a slow season for Bleak: the best months fall at another time of year.
These are the same values the bite curve above was computed from. How the forecast works
Cloudy · feels like +8°
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 fieldunsettled, Kp 4
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?| 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 | slow | active | active | active | active | active | peak | peak | active | slow |
|---|
| 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 |
|---|
| Bream | slow | slow | fair | active | peak | peak | peak | peak | active | active | fair | 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 |
|---|
| 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 |
|---|
Chum one spot near a drop-off and wait for fish to arrive — don't chase them.
Thirlmere — Wednesday, October 21
The bite is weak — fish are sluggish. Pressure is dropping — this usually boosts the bite. Peak 11:00–15:00.
Other nearby places to fish
Other nearby waters
The shoreline is heavily indented — bays, points and spits. Look for pike at the mouths of the bays and on the drop-offs behind the points. The islands add structure: drop-offs around their perimeter and channels between them and the bank. Larger than 9 of the 10 waters nearby.
The wind builds its wave along the north — south axis — 4 mi of open water; along west — east there is only 1 mi. When it runs down the main axis, the calm water sits against the bank it blows from, while the wave and the silt go to the far one — and the fish follow them there to feed.
Measured river conditions are available for Thirlmere: current gauge height, streamflow, and water temperature when reported by the source.
Environment Agency gauge Thirlmere Reservoir at Thirlmere Reservoir (Spillway level = 16.55m), 2 mi away · typical 10.09–16.68 m · measured 2026-10-21 15:15 · data source · provisional data, subject to revision