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United Kingdom / Cornwall / Brown trout

Brown trout bite in Cornwall

Recorded 10 catches of Brown trout in Cornwall. Most active — March–October. A day-by-day bite calendar for Brown trout.

Brown trout bite forecast in Cornwall today

Best fishing days for the next week

  1. WednesdaySeptember 2weather-based forecast
    54/100medium activity

    Rain: 16–20 °C

    Best fishing time: 19:00–22:00

  2. SundaySeptember 6weather-based forecast
    51/100medium activity

    Partly cloudy: 17–21 °C

    Best fishing time: 06:00–09:00

  3. TuesdaySeptember 8weather-based forecast
    51/100medium activity

    Rain: 15–19 °C

    Best fishing time: 06:00–09:00

How to catch Brown trout

Tackle, baits, spots and seasons — a full guide to catching Brown trout.

Read the guide →

Map of waters and catches

Loading map…

Where it's caught

  • Colliford Lake4 catches
  • Penryn River2 catches
  • River Inny2 catches
  • River Tamar1 catch
  • River Fowey1 catch

Catches

  • Brown trout
    Colliford Lake
    9 °C11 mph
    Apr 01, 2024, 7:28 PM
  • Brown trout
    River Tamar

Other fish in Cornwall

  • Carp5 catches
  • Wels catfish3 catches
  • Grayling2 catches

Brown trout bite calendar

Wednesday, September 2

Aug 31 – Sep 6
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Bite activity:highmediumlowslow
Based on:weatherseasonal
What is a bite calendar?

Hourly activity

0:006:0012:0018:0023:00
Bite activity:highmediumlow

The bite is moderate — fish feed in short bursts. Pressure is rising — activity tends to be more subdued.

Peak bite hours

Best time — 06:00–08:00 (dawn bite) and 20:00–22:00 (dusk bite).

Tactics

Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses.

Lures

The water's turning murky — go with bright, noisy lures: spinner or small crankbait.

Gear

No special gear needed — seasonal clothing will do. Rain is expected — don't forget a rain jacket or a waterproof shell.

Summary

An average day — best chances during peak windows.

Why this forecast

The computed water temperature is around 17 °C — inside the 6–17 °C comfort range for Brown trout, so baseline activity is high.

Computed water temperature by month; the green band is the 6–17 °C comfort rangecomfort 6–17 °C17 °C
JFMAMJJASOND

Brown trout works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.

The day: daylight hours and when Brown trout feeds0:0012:0024:00

Pressure is dropping 1 hPa over the day — fish are usually more active ahead of a weather change.

Pressure through the day, 1 hPa change
00:00 · 102123:00 · 1020 hPa

September is an average month for Brown trout here.

JFMAMJJASOND

These are the same values the bite curve above was computed from. How the forecast works

2 SepWednesday, September 2
+20°

Rain · feels like +19°

Low / high
+15°…+20°
Precipitation
1.8 mm
Wind
13 mph SW
Cloud cover
77%
Humidity
91%
Pressure
1019 hPa
00:00+15°0.1 mm4 mphsouth wind, 4 mph98%49%
01:00+15°—5 mphsouth wind, 5 mph98%88%
02:00+15°—5 mphsouth wind, 5 mph97%100%
03:00+15°—5 mphsouth wind, 5 mph97%89%
04:00+15°—5 mphsouth wind, 5 mph97%73%
05:00+16°—6 mphsouth wind, 6 mph95%87%
06:00+16°—8 mphsouth wind, 8 mph94%97%
07:00+17°—8 mphsouth wind, 8 mph92%100%
08:00+17°—10 mphsouth wind, 10 mph91%98%
09:00+17°0.3 mm11 mphsouth wind, 11 mph94%100%
10:00+18°—11 mphsouthwest wind, 11 mph91%100%
11:00+19°—11 mphsouthwest wind, 11 mph89%100%
12:00+20°1.8 mm13 mphsouthwest wind, 13 mph91%77%
13:00+20°—12 mphwest wind, 12 mph82%95%
14:00+20°—12 mphsouthwest wind, 12 mph80%88%
15:00+20°—13 mphwest wind, 13 mph79%99%
16:00+20°—14 mphwest wind, 14 mph83%90%
17:00+20°—14 mphwest wind, 14 mph79%78%
18:00+19°—13 mphwest wind, 13 mph82%100%
19:00+19°—11 mphwest wind, 11 mph83%100%
20:00+18°—11 mphwest wind, 11 mph89%100%
21:00+18°—8 mphwest wind, 8 mph88%100%
22:00+18°—6 mphsouthwest wind, 6 mph88%91%
23:00+18°—6 mphsouthwest wind, 6 mph88%100%
+20°+17°+15°
Weather throughout the day
0:006:0012:0018:0023:00

Sun and moon

Wednesday, September 2
The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
DaylightMoon above the horizon
Sunrise
06:35
Sunset
20:02
Day length
13 h 27 min
Sunshine hours
3 h 49 min
UV index
3
moderate
Moon
Waning gibbous
Moonrise
21:38
Moonset
13:15

The day is 4 min shorter than yesterday.

Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.

Solunar feeding periods

+13% in the windowWednesday, September 2
Feeding windows on the day scale, local time0:0012:0024:00
Major periodsMinor periods
  • Major04:04–06:04Moon overhead
  • Minor12:45–13:45Moonset
  • Major16:31–18:31Moon underfoot
  • Minor21:08–22:08Moonrise

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?
14 °C
4 mph
Oct 11, 2021, 2:41 PM
  • Brown trout
    River Fowey
    14 °C16 mph
    Oct 03, 2021, 5:11 PM
  • Brown trout
    Penryn River
    13 °C9 mph
    Oct 02, 2021, 4:14 PM
  • Brown trout
    Penryn River
    19 °C4 mph
    Sep 21, 2021, 5:37 PM
  • Brown trout
    Colliford Lake
    9 °C4 mph
    Apr 16, 2021, 5:31 PM
  • Brown trout
    Colliford Lake
    9 °C9 mph
    Apr 08, 2021, 5:05 PM
  • Brown trout
    Colliford Lake
    9 °C9 mph
    Apr 08, 2021, 1:14 PM
  • Atlantic salmon2 catches
  • Flounder1 catch
  • Perch1 catch
  • Roach1 catch
  • White bream1 catch
  • Rudd1 catch
  • Crucian carp1 catch