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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 / Highland / River Spey

Bite forecast: River Spey

  • length 115 km
  • Flows into Moray Firth
Loading map…

Best fishing days for the next week

  1. WednesdaySeptember 2weather-based forecast
    64/100high activity

    Clear: 8–14 °C

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Nearby rivers

  • Gynack Burn1 mi
  • Allt Mhor Diversion Chanel2 mi
  • River Tromie3 mi
  • Allt Chomhraig3 mi
  • Allt Fhearnasdail6 mi
  • Dunachton Burn6 mi
  • Allt Bhran6 mi
  • Feithlinn8 mi
  • Allt na Fhearna8 mi

Nearby water bodies

  • PondLochan an Tairbh0.3 mi
  • LakeLoch Gynack2 mi
  • LakeLoch a' Chrim-raoin3 mi
  • LakeLochan Dubh Mor4 mi
  • LakeRiver Spey5 mi
  • LakeLoch Lub Mhari5 mi
  • LakeLochain Uvie5 mi
  • LakeLoch Insh6 mi
  • LakeLoch Dubh7 mi
  • LakeLochan Geal8 mi

River Spey (Highland) — a spot well known among anglers. About 115 km long. Flows into Moray Firth. The town of Kingussie is nearby. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.

Fish biting at this waterbody

Choose a fish to see its hourly forecast, catches and BiteGuide.

  • Atlantic salmon

Catches

Recorded 28 catches here. Most commonly caught: Atlantic salmon, Brown trout, Rainbow trout. Peak season: May–September.

  • Brown trout
    River Nethy
    13 °C11 mph
    Jun 14, 2022, 1:33 AM
  • Atlantic salmon
    River Spey
    14 °C11 mph
    May 14, 2022, 9:12 AM
  • Atlantic salmon
    River Spey
    13 °C13 mph
    May 05, 2022, 4:35 PM
  • Atlantic salmon
    River Spey
    9 °C4 mph
    May 03, 2022, 10:46 AM
  • Brown trout
    River Spey
    15 °C11 mph
    Jun 16, 2021, 12:38 AM
  • Atlantic salmon
    River Spey
    7 °C7 mph
    May 06, 2019, 9:33 AM
  • Atlantic salmon
    River Spey
    4 °C13 mph
    May 04, 2019, 10:52 AM
  • Atlantic salmon
    River Spey
    15 °C7 mph
    Apr 30, 2019, 10:05 AM
ThursdaySeptember 3weather-based forecast
60/100high activity

Partly cloudy: 11–15 °C

  • TuesdaySeptember 8weather-based forecast
    60/100high activity

    Drizzle: 9–12 °C

  • Nearby towns

    • Kingussie0.3 mi

    Bite calendar

    Aug 31 – Sep 6
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Bite activity:highmediumlowslow
    Based on:weatherseasonal
    What is a bite calendar?
    BreamCarpWels catfishDaceGraylingWhitefishZanderAtlantic salmonBarbelBrown troutChubCrucian carpEuropean eelIdePerchPikeRuddRuffeWhite breamBleakRainbow troutRoachTench

    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. A thunderstorm is possible: activity rises before the front and drops after.

    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

    Pack transitional-season clothing — mornings and evenings are chilly. A thunderstorm is possible — bring a rain jacket, and pack up at the first rumble of thunder.

    Summary

    An average day — best chances during peak windows.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 12 °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 °C12 °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 · 100623:00 · 1003 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
    +14°

    Partly cloudy · feels like +12°

    Low / high
    +11°…+15°
    Precipitation
    0.0 mm
    Wind
    11 mph SW
    Cloud cover
    32%
    Humidity
    71%
    Pressure
    1007 hPa
    00:00+12°4.2 mm4 mphsoutheast wind, 4 mph94%100%
    01:00+12°1.4 mm3 mpheast wind, 3 mph94%100%
    02:00+12°2.2 mm4 mphsoutheast wind, 4 mph95%100%
    03:00+12°1.2 mm3 mpheast wind, 3 mph96%100%
    04:00+13°2.6 mm2 mphsouth wind, 2 mph96%100%
    05:00+14°0.7 mm11 mphwest wind, 11 mph97%100%
    06:00+13°0.2 mm11 mphwest wind, 11 mph95%99%
    07:00+12°0.1 mm15 mphwest wind, 15 mph93%83%
    08:00+12°—11 mphwest wind, 11 mph89%72%
    09:00+13°—10 mphwest wind, 10 mph88%73%
    10:00+13°—11 mphwest wind, 11 mph80%86%
    11:00+14°—12 mphwest wind, 12 mph75%49%
    12:00+14°—11 mphsouthwest wind, 11 mph71%32%
    13:00+15°—15 mphsouthwest wind, 15 mph66%59%
    14:00+15°—14 mphsouthwest wind, 14 mph67%13%
    15:00+15°0.1 mm13 mphsouthwest wind, 13 mph73%100%
    16:00+14°1.2 mm10 mphsouthwest wind, 10 mph81%82%
    17:00+13°0.1 mm10 mphsouth wind, 10 mph84%100%
    18:00+13°0.8 mm10 mphsouthwest wind, 10 mph80%100%
    19:00+13°—10 mphsouthwest wind, 10 mph81%98%
    20:00+12°0.2 mm10 mphsouthwest wind, 10 mph86%82%
    21:00+11°0.1 mm11 mphwest wind, 11 mph87%57%
    22:00+11°0.1 mm13 mphsouthwest wind, 13 mph89%30%
    23:00+11°0.1 mm15 mphsouthwest wind, 15 mph91%28%
    +15°+13°+11°
    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
    06:24
    Sunset
    20:12
    Day length
    13 h 48 min
    Sunshine hours
    8 h 20 min
    UV index
    3
    moderate
    Moon
    Last quarter
    Moonrise
    21:15
    Moonset
    15:26

    The day is 5 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
    • Major04:55–06:55Moon overhead
    • Minor14:56–15:56Moonset
    • Major17:25–19:25Moon underfoot
    • Minor20:45–21:45Moonrise

    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?

    BiteGuide·From anglers’ reports

    What actually worked on this water

    Based on 28 verified catchesPeriod: 2012–2022

    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
    1882
    Atlantic salmonBrown troutRainbow trout
    By fish species
    ValueCatchesShare
    Atlantic salmon1864%
    Brown trout829%
    Rainbow trout27%

    By month

    vertical axis — number of catches

    0713
    2133235
    AprMayJunJulAugSep
    By month
    ValueCatchesShare
    Apr27%
    May1346%
    Jun311%
    Jul27%
    Aug311%
    Sep518%

    By time of day

    vertical axis — number of catches

    036
    12136141112122
    1291011121314151617182021
    By time of day
    ValueCatchesShare
    01:0014%
    02:0027%
    09:0014%
    10:00311%
    11:00621%
    12:0014%
    13:00414%
    14:0014%
    15:0014%
    16:0014%
    17:0027%
    18:0014%
    20:0027%
    21:0027%

    Air temperature, °C

    vertical axis — number of catches

    0815
    17155
    051015
    Air temperature, °C
    ValueCatchesShare
    0–4 °C14%
    5–9 °C725%
    10–14 °C1554%
    15–19 °C518%

    Pressure, mmHg

    vertical axis — number of catches

    0611
    345115
    730735740745750
    Pressure, mmHg
    ValueCatchesShare
    730–734 mmHg311%
    735–739 mmHg414%
    740–744 mmHg518%
    745–749 mmHg1139%
    750–754 mmHg518%

    Wind direction

    vertical axis — number of catches

    0612
    32121253
    NNESESSWWNW
    Wind direction
    ValueCatchesShare
    N311%
    NE27%
    SE14%
    S27%
    SW1243%
    W518%
    NW311%

    Wind speed, mph

    vertical axis — number of catches

    0714
    81451
    491318
    Wind speed, mph
    ValueCatchesShare
    4–7 mph829%
    9–11 mph1450%
    13–16 mph518%
    18–20 mph14%