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Where to fish

  • Forecast
  • Catches

Mine

  • Favorites
ForecastCatchesFavorites
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© 2026·AI-powered bite forecast
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United Kingdom / Cornwall / River Inny

Bite forecast: River Inny

  • length 30 km
  • Flows into River Tamar
Loading map…

Best fishing days for the next week

  1. MondaySeptember 7weather-based forecast
    55/100medium activity

    Cloudy: 15–19 °C

Loading map…

River Inny (Cornwall) — a spot well known among anglers. About 30 km long. Flows into River Tamar. Close by — Launceston, Callington and Liskeard. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.

Catches

Recorded 2 catches here. Most commonly caught: Brown trout. Peak season: March.

  • Brown trout
    River Inny
    16 °C2 mph
    Mar 31, 2021, 1:48 PM
  • Brown trout
    River Inny
    16 °C2 mph
    Mar 31, 2021, 1:29 PM
WednesdaySeptember 9weather-based forecast
54/100medium activity

Drizzle: 11–15 °C

  • SaturdaySeptember 5weather-based forecast
    52/100medium activity

    Cloudy: 14–19 °C

  • Nearby towns

    • Launceston3 mi
    • Callington5 mi
    • Liskeard9 mi

    Bite calendar

    Thursday, September 3

    Aug 31 – Sep 6
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Bite activity:highmediumlowslow
    Based on:weatherseasonal
    What is a bite calendar?
    DaceGraylingEuropean eelPikeBarbelRuffeWhitefishZanderBreamCarpPerchAtlantic salmonBrown troutWels catfishRainbow troutRoachBleakChubCrucian carpIdeWhite breamRuddTench

    Atlantic salmon

    5/10 · Fair

    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 19:00–22:00 (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: salmon spoon or salmon fly.

    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.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 17 °C — warmer than the 4–14 °C comfort range for Atlantic salmon: in the heat it drops deeper and feeds less often.

    Computed water temperature by month; the green band is the 4–14 °C comfort rangecomfort 4–14 °C17 °C
    JFMAMJJASOND

    Atlantic salmon 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 Atlantic salmon feeds0:0012:0024:00

    Pressure is dropping 2 hPa over the day — fish are usually more active ahead of a weather change.

    Pressure through the day, 2 hPa change
    00:00 · 101923:00 · 1017 hPa

    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.

    Feeding windows on the day scale0:0012:0024:00

    September is an active season for Atlantic salmon here.

    JFMAMJJASOND

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

    3 SepThursday, September 3
    +20°

    Cloudy · feels like +20°

    Low / high
    +18°…+21°
    Precipitation
    0.0 mm
    Wind
    10 mph WSW
    Cloud cover
    98%
    Humidity
    92%
    Pressure
    1020 hPa
    00:00+18°—10 mphwest wind, 10 mph97%100%
    01:00+18°0.1 mm10 mphwest wind, 10 mph96%99%
    02:00+18°—7 mphsouthwest wind, 7 mph95%100%
    03:00+18°0.1 mm8 mphsouthwest wind, 8 mph99%100%
    04:00+18°0.1 mm9 mphsouthwest wind, 9 mph98%100%
    05:00+18°0.1 mm7 mphsouthwest wind, 7 mph99%100%
    06:00+18°0.5 mm9 mphwest wind, 9 mph99%100%
    07:00+18°0.3 mm9 mphsouthwest wind, 9 mph99%100%
    08:00+19°—9 mphsouthwest wind, 9 mph99%100%
    09:00+19°—9 mphsouthwest wind, 9 mph99%100%
    10:00+19°—11 mphwest wind, 11 mph98%100%
    11:00+19°—12 mphwest wind, 12 mph98%100%
    12:00+20°—10 mphwest wind, 10 mph92%98%
    13:00+20°—11 mphwest wind, 11 mph84%86%
    14:00+21°—10 mphwest wind, 10 mph86%92%
    15:00+21°—13 mphwest wind, 13 mph86%80%
    16:00+20°—12 mphwest wind, 12 mph83%99%
    17:00+21°—11 mphwest wind, 11 mph78%72%
    18:00+20°—10 mphwest wind, 10 mph81%100%
    19:00+19°0.1 mm6 mphsouthwest wind, 6 mph94%100%
    20:00+18°0.2 mm6 mphsouthwest wind, 6 mph97%89%
    21:00+18°—8 mphsouthwest wind, 8 mph93%91%
    22:00+19°—11 mphsouthwest wind, 11 mph93%99%
    23:00+18°—10 mphsouthwest wind, 10 mph93%92%
    +21°+19°+18°
    Weather throughout the day
    0:006:0012:0018:0023:00

    Sun and moon

    Thursday, September 3
    The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
    DaylightMoon above the horizon
    Sunrise
    06:37
    Sunset
    20:00
    Day length
    13 h 23 min
    Sunshine hours
    1 h 37 min
    UV index
    2
    low
    Moon
    Last quarter
    Moonrise
    22:04
    Moonset
    14:39

    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 windowThursday, September 3
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major04:55–06:55Moon overhead
    • Minor14:09–15:09Moonset
    • Major17:25–19:25Moon underfoot
    • Minor21:34–22:34Moonrise

    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?

    Nearby rivers

    • River Inny0 mi
    • Penpont Water1 mi
    • River Kensey4 mi
    • River Ottery5 mi
    • River Tamar9 mi
    • Lana Lake9 mi

    Nearby water bodies

    • LakeDozmary Pool7 mi
    • ReservoirCrowdy Reservoir7 mi
    • ReservoirSiblyback Lake8 mi
    • ReservoirColliford Lake8 mi
    • ReservoirStannon Lake8 mi
    • ReservoirHawks Tor Reservoir8 mi
    • ReservoirPark Lake9 mi

    Measured river conditions are available for River Inny: current gauge height, streamflow, and water temperature when reported by the source.

    Water

    Gauge height
    0.34 m

    Environment Agency gauge River Inny at Bealsmill, 7 mi away · typical 0.29–1.80 m · measured 2026-09-02 23:00 · data source · provisional data, subject to revision