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© 2026·AI-powered bite forecast
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United Kingdom / Suffolk / River Fromus

Bite forecast: River Fromus

  • length 7 km
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Best fishing days for the next week

  1. FridaySeptember 11weather-based forecast
    58/100medium activity

    Partly cloudy: 11–20 °C

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Nearby rivers

  • River Alde2 mi
  • Ore3 mi
  • River Deben5 mi
  • Butley River6 mi
  • River Yox6 mi
  • Minsmere New Cut6 mi
  • Stony Ditch7 mi

Nearby water bodies

  • ReservoirPond Barn Reservoir0.9 mi
  • LakeFriston Hall Lake1 mi
  • ReservoirLime Tree Farm Reservoir No. 22 mi
  • ReservoirLime Tree Farm Reservoir3 mi
  • ReservoirHall Farm Reservoir4 mi
  • LakeDecoy Pond5 mi
  • LakeThe Meare5 mi
  • ReservoirLodge Farm Reservoir6 mi
  • LakeThe Mere7 mi
  • LakeIsland Mere7 mi

River Fromus (Suffolk) — a spot well known among anglers. About 7 km long. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.

TuesdaySeptember 8weather-based forecast
57/100medium activity

Clear: 14–18 °C

  • MondaySeptember 7weather-based forecast
    56/100medium activity

    Partly cloudy: 16–21 °C

  • Bite calendar

    Saturday, September 5

    Aug 31 – Sep 6
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Bite activity:highmediumlowslow
    Based on:weatherseasonal
    What is a bite calendar?
    DaceEuropean eelGraylingPikeBarbelRuffeWhitefishZanderAtlantic salmonBreamPerchBrown troutCarpWels catfishRainbow troutRoachCrucian carpIdeBleakChubRuddTenchWhite bream

    Atlantic salmon

    6/10 · 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 19:00–21:00 (dusk bite).

    Tactics

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

    Lures

    In clear water, natural colors work best: salmon spoon or salmon fly.

    Gear

    No special gear needed — seasonal clothing will do.

    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 rising 9 hPa over the day — the bite usually settles down after a rise.

    Pressure through the day, 9 hPa change
    00:00 · 101723:00 · 1026 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

    5 SepSaturday, September 5
    +19°

    Partly cloudy · feels like +15°

    Low / high
    +12°…+20°
    Precipitation
    0.0 mm
    Wind
    12 mph WNW
    Cloud cover
    77%
    Humidity
    48%
    Pressure
    1024 hPa
    00:00+14°—10 mphwest wind, 10 mph78%0%
    01:00+14°—11 mphwest wind, 11 mph80%1%
    02:00+14°—11 mphwest wind, 11 mph83%0%
    03:00+13°—10 mphwest wind, 10 mph85%0%
    04:00+13°—11 mphwest wind, 11 mph87%0%
    05:00+13°—11 mphwest wind, 11 mph87%9%
    06:00+12°—10 mphwest wind, 10 mph88%26%
    07:00+13°—12 mphwest wind, 12 mph83%0%
    08:00+14°—14 mphwest wind, 14 mph77%0%
    09:00+16°—15 mphwest wind, 15 mph67%0%
    10:00+17°—14 mphnorthwest wind, 14 mph56%44%
    11:00+18°—13 mphwest wind, 13 mph53%51%
    12:00+19°—12 mphnorthwest wind, 12 mph48%77%
    13:00+19°—11 mphwest wind, 11 mph50%66%
    14:00+20°—11 mphnorthwest wind, 11 mph46%56%
    15:00+20°—10 mphwest wind, 10 mph44%88%
    16:00+20°—9 mphwest wind, 9 mph45%88%
    17:00+20°—8 mphnorthwest wind, 8 mph46%84%
    18:00+20°—7 mphnorthwest wind, 7 mph47%83%
    19:00+19°—5 mphnorthwest wind, 5 mph52%66%
    20:00+17°—2 mphnorthwest wind, 2 mph72%66%
    21:00+16°—1 mphnorthwest wind, 1 mph90%61%
    22:00+16°—4 mphsoutheast wind, 4 mph64%66%
    23:00+15°—5 mphsouth wind, 5 mph73%0%
    +20°+16°+12°
    Weather throughout the day
    0:006:0012:0018:0023:00

    Sun and moon

    Saturday, September 5
    The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
    DaylightMoon above the horizon
    Sunrise
    06:13
    Sunset
    19:34
    Day length
    13 h 21 min
    Sunshine hours
    7 h 37 min
    UV index
    3
    moderate
    Moon
    Waning crescent
    Moonrise
    23:29
    Moonset
    16:49

    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

    +14% in the windowSaturday, September 5
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major06:36–08:36Moon overhead
    • Minor16:19–17:19Moonset
    • Major19:08–21:08Moon underfoot
    • Minor22:59–23:59Moonrise

    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?