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Where to fish

  • Forecast
  • Catches

Mine

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Forecast
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© 2026·AI-powered bite forecast
0.1.0+2161 · b4069346

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United Kingdom / Greater Manchester / River Roch

Bite forecast: River Roch

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

Best fishing days for the next week

  1. WednesdaySeptember 2weather-based forecast
    56/100medium activity

    Rain: 15–19 °C

Loading map…

River Roch (Greater Manchester) — a spot well known among anglers. About 30 km long. Flows into River Irwell. Nearby towns: Rochdale, Heywood and Bury. See when the bite is best: hourly fish activity for the days ahead, computed from the weather, pressure, and season.

Catches

Recorded 30 catches here. Most commonly caught: Carp, Crucian carp, Roach. Peak season: year-round.

  • Crucian carp
    River Roch
    11 °C11 mph
    Dec 12, 2021, 10:08 AM
  • Carp, Roach
    River Roch
    16 °C11 mph
    Sep 26, 2021, 3:05 PM
  • Carp, Crucian carp
    River Roch
    24 °C4 mph
    Jul 18, 2021, 2:33 PM
  • Carp
    River Roch
    1 °C11 mph
    Dec 28, 2020, 10:03 AM
  • Carp
    River Roch
    5 °C4 mph
    Nov 26, 2020, 11:38 AM
  • Rainbow trout
    River Roch
    9 °C2 mph
    Oct 18, 2020, 4:57 PM
  • Carp
    River Roch
    6 °C4 mph
    Mar 04, 2020, 3:04 PM
  • Carp
    River Roch
    7 °C9 mph
    Nov 17, 2019, 2:33 PM
TuesdaySeptember 8weather-based forecast
56/100medium activity

Partly cloudy: 14–18 °C

  • ThursdaySeptember 3weather-based forecast
    54/100medium activity

    Cloudy: 17–21 °C

  • Nearby towns

    • Rochdale0.1 mi
    • Heywood0.3 mi
    • Bury0.7 mi

    BiteGuide·From anglers’ reports

    What actually worked on this water

    Based on 30 verified catchesPeriod: 2017–2021

    This is a summary of anglers' reports, not a proven cause of the bite: conditions lining up does not mean they drove it.

    By fish species

    vertical axis — number of catches

    0918
    1876421
    CarpCrucian carpRoachRainbow troutBreamRudd
    By fish species
    ValueCatchesShare
    Carp1860%
    Crucian carp723%
    Roach620%
    Rainbow trout413%
    Bream27%
    Rudd13%

    By month

    vertical axis — number of catches

    059
    2143921242
    FebMarAprJunJulAugSepOctNovDec
    By month
    ValueCatchesShare
    Feb27%
    Mar13%
    Apr413%
    Jun310%
    Jul930%
    Aug27%
    Sep13%
    Oct27%
    Nov413%
    Dec27%

    By time of day

    23 catches have this data · vertical axis — number of catches

    036
    221365121
    101112131415161719
    By time of day
    ValueCatchesShare
    10:0029%
    11:0029%
    12:0014%
    13:00313%
    14:00626%
    15:00522%
    16:0014%
    17:0029%
    19:0014%

    Air temperature, °C

    vertical axis — number of catches

    0510
    110685
    05101520
    Air temperature, °C
    ValueCatchesShare
    0–4 °C13%
    5–9 °C1033%
    10–14 °C620%
    15–19 °C827%
    20–24 °C517%

    Pressure, mmHg

    vertical axis — number of catches

    059
    117894
    710730735740745750
    Pressure, mmHg
    ValueCatchesShare
    710–714 mmHg13%
    730–734 mmHg13%
    735–739 mmHg723%
    740–744 mmHg827%
    745–749 mmHg930%
    750–754 mmHg413%

    Wind direction

    vertical axis — number of catches

    048
    14138535
    NNEESESSWWNW
    Wind direction
    ValueCatchesShare
    N13%
    NE413%
    E13%
    SE310%
    S827%
    SW517%
    W310%
    NW517%

    Wind speed, mph

    vertical axis — number of catches

    0713
    112134
    04913
    Wind speed, mph
    ValueCatchesShare
    0–2 mph13%
    4–7 mph1240%
    9–11 mph1343%
    13–16 mph413%

    Nearby rivers

    • River Spodden2 mi
    • River Beal3 mi

    Nearby water bodies

    • LakeRydings Dam2 mi
    • ReservoirBrownhouse Wham Reservoir2 mi
    • LakeHollingworth Lake2 mi
    • ReservoirWatergrove Reservoir3 mi
    • ReservoirOgden Reservoir3 mi
    • ReservoirSpring Mill Reservoir3 mi
    • ReservoirKitcliffe Reservoir3 mi
    • ReservoirGreenbooth Reservoir3 mi
    • ReservoirNaden Lower Reservoir4 mi
    • LakePiethorne Reservoir4 mi

    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?
    European eelPikeBarbelDaceGraylingRuffeWhitefishZanderPerchAtlantic salmonBreamBrown troutCarpWels catfishRainbow troutIdeRoachBleakChubCrucian carpWhite breamRuddTench

    Atlantic salmon

    6/10 · Fair

    Hourly activity

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

    The bite is strong — fish are active. A thunderstorm is possible: activity rises before the front and drops after.

    Peak bite hours

    Best time — 06:00–07:00 (dawn bite) and 19:00–21:00 (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. A thunderstorm is possible — bring a rain jacket, and pack up at the first rumble of thunder.

    Summary

    Worth going — it's a productive day.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 16 °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 °C16 °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 4 hPa over the day — fish are usually more active ahead of a weather change.

    Pressure through the day, 4 hPa change
    00:00 · 101823:00 · 1013 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

    2 SepWednesday, September 2
    +16°

    Rain · feels like +16°

    Low / high
    +15°…+19°
    Precipitation
    4.3 mm
    Wind
    6 mph SE
    Cloud cover
    100%
    Humidity
    95%
    Pressure
    1014 hPa
    00:00+16°—5 mphsouthwest wind, 5 mph79%100%
    01:00+16°—5 mphsouthwest wind, 5 mph81%100%
    02:00+16°—5 mphsouthwest wind, 5 mph83%100%
    03:00+16°—5 mphsouthwest wind, 5 mph85%99%
    04:00+16°—4 mphsouthwest wind, 4 mph85%100%
    05:00+16°—5 mphsouthwest wind, 5 mph86%100%
    06:00+15°0.3 mm4 mphsouthwest wind, 4 mph91%100%
    07:00+15°1.1 mm5 mphsouth wind, 5 mph96%100%
    08:00+15°2.5 mm5 mphsouth wind, 5 mph97%100%
    09:00+15°2.9 mm6 mphsouth wind, 6 mph97%100%
    10:00+15°1.7 mm6 mphsouth wind, 6 mph96%100%
    11:00+15°4.6 mm8 mphsoutheast wind, 8 mph96%100%
    12:00+16°4.3 mm6 mphsoutheast wind, 6 mph95%100%
    13:00+17°0.2 mm9 mphsouth wind, 9 mph94%100%
    14:00+18°0.1 mm8 mphsouth wind, 8 mph92%100%
    15:00+18°1.0 mm5 mphsouth wind, 5 mph96%100%
    16:00+18°9.6 mm5 mphwest wind, 5 mph96%100%
    17:00+19°0.8 mm4 mphwest wind, 4 mph93%98%
    18:00+19°—3 mphsouthwest wind, 3 mph94%100%
    19:00+19°—5 mphsouthwest wind, 5 mph91%94%
    20:00+19°—5 mphsouthwest wind, 5 mph90%99%
    21:00+19°—6 mphsouthwest wind, 6 mph90%99%
    22:00+18°0.1 mm8 mphsouthwest wind, 8 mph91%100%
    23:00+18°—8 mphsouthwest wind, 8 mph91%98%
    +19°+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
    06:20
    Sunset
    19:56
    Day length
    13 h 36 min
    Sunshine hours
    0 min
    UV index
    0
    low
    Moon
    Waning gibbous
    Moonrise
    21:06
    Moonset
    13:21

    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

    +11% in the windowWednesday, September 2
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major03:52–05:52Moon overhead
    • Minor12:51–13:51Moonset
    • Major16:19–18:19Moon underfoot
    • Minor20:36–21:36Moonrise

    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?