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© 2026·AI-powered bite forecast
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United Kingdom / Scottish Borders / River Fruid Water

Bite forecast: River Fruid Water

  • length 11 km
  • Flows into River Tweed
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Best fishing days for the next week

  1. WednesdaySeptember 9weather-based forecast
    67/100high activity

    Cloudy: 7–13 °C

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River Fruid Water (Scottish Borders) — a popular fishing spot. About 11 km long. Flows into River Tweed. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.

SundaySeptember 6weather-based forecast
61/100high activity

Cloudy: 15–19 °C

  • MondaySeptember 7weather-based forecast
    58/100medium activity

    Cloudy: 11–16 °C

  • 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?
    Wels catfishBreamCarpDaceEuropean eelGraylingWhitefishZanderAtlantic salmonBarbelBrown troutCrucian carpIdePerchPikeRuffeBleakChubRainbow troutRuddTenchWhite breamRoach

    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. Weather is steady, with no sharp swings — fish behave predictably.

    Peak bite hours

    Best time — 06:00–08:00 (dawn 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 14 °C — inside the 4–14 °C comfort range for Atlantic salmon, so baseline activity is high.

    Computed water temperature by month; the green band is the 4–14 °C comfort rangecomfort 4–14 °C14 °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 flat: it moves no more than 1 hPa over the day, so the weather isn't shifting today's bite.

    Pressure through the day, 1 hPa change
    00:00 · 100723:00 · 1006 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
    +17°

    Partly cloudy · feels like +13°

    Low / high
    +13°…+17°
    Precipitation
    0.0 mm
    Wind
    13 mph W
    Cloud cover
    45%
    Humidity
    62%
    Pressure
    1010 hPa
    00:00+16°—7 mphsouthwest wind, 7 mph97%100%
    01:00+16°—6 mphsouthwest wind, 6 mph96%100%
    02:00+16°—8 mphsouthwest wind, 8 mph96%100%
    03:00+16°—9 mphsouthwest wind, 9 mph93%100%
    04:00+16°0.1 mm11 mphwest wind, 11 mph92%100%
    05:00+14°0.1 mm13 mphwest wind, 13 mph92%86%
    06:00+14°—10 mphwest wind, 10 mph88%100%
    07:00+14°—10 mphwest wind, 10 mph88%93%
    08:00+13°—13 mphwest wind, 13 mph82%10%
    09:00+14°—14 mphwest wind, 14 mph78%2%
    10:00+15°—15 mphwest wind, 15 mph72%28%
    11:00+16°—14 mphwest wind, 14 mph65%100%
    12:00+17°—13 mphwest wind, 13 mph62%45%
    13:00+17°—14 mphwest wind, 14 mph61%88%
    14:00+17°—16 mphwest wind, 16 mph57%100%
    15:00+17°—15 mphwest wind, 15 mph61%100%
    16:00+16°—10 mphwest wind, 10 mph73%100%
    17:00+16°—13 mphsouthwest wind, 13 mph78%100%
    18:00+15°0.1 mm14 mphsouthwest wind, 14 mph90%100%
    19:00+13°1.1 mm9 mphwest wind, 9 mph90%100%
    20:00+13°0.2 mm9 mphsouthwest wind, 9 mph90%100%
    21:00+13°—8 mphsouthwest wind, 8 mph89%100%
    22:00+13°—9 mphsouthwest wind, 9 mph91%39%
    23:00+13°—6 mphsouthwest wind, 6 mph91%66%
    +17°+15°+13°
    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
    06:18
    Sunset
    19:58
    Day length
    13 h 40 min
    Sunshine hours
    7 h
    UV index
    3
    moderate
    Moon
    Last quarter
    Moonrise
    21:30
    Moonset
    15:04

    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

    +12% in the windowThursday, September 3
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major04:51–06:51Moon overhead
    • Minor14:34–15:34Moonset
    • Major17:20–19:20Moon underfoot
    • Minor21:00–22:00Moonrise

    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

    • Talla Water3 mi
    • Megget Water4 mi
    • Blackhope Burn4 mi
    • Moffat Water5 mi
    • Evan Water6 mi
    • Cornal Burn8 mi

    Nearby water bodies

    • ReservoirFruid Reservoir1 mi
    • LakeGameshope Loch1 mi
    • ReservoirTalla Reservoir3 mi
    • LakeLoch Skeen4 mi
    • ReservoirMegget Reservoir5 mi
    • LakeCamps Reservoir7 mi
    • LakeCoulter Waterhead reservoir8 mi
    • LakeLoch of the Lowes8 mi
    • LakeThe Lochan9 mi
    • LakeCowgill Upper Reservoir9 mi