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© 2026·AI-powered bite forecast
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United Kingdom / Devon / Brockley River

Bite forecast: Brockley River

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Best fishing days for the next week

  1. SaturdaySeptember 12weather-based forecast
    69/100high activity

    Cloudy: 10–15 °C

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Brockley River (Devon) — a spot well known among anglers. This page shows an hourly bite forecast for today and the week ahead; the algorithm factors in the weather, atmospheric pressure, and the moon phase.

ThursdaySeptember 10weather-based forecast
67/100high activity

Drizzle: 11–16 °C

  • MondaySeptember 7weather-based forecast
    65/100high activity

    Cloudy: 14–17 °C

  • Bite calendar

    7–Sep 13
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Bite activity:highmediumlowslow
    Based on:weatherseasonal
    What is a bite calendar?
    DaceEuropean eelGraylingWhitefishBarbelPikeRuffeZanderBreamWels catfishPerchAtlantic salmonBrown troutCarpIdeRainbow troutChubCrucian carpRoachBleakRuddWhite breamTench

    Atlantic salmon

    7/10 · Good

    Hourly activity

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

    The bite is strong — fish are active. 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

    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. Rain is expected — don't forget a rain jacket or a waterproof shell.

    Summary

    Worth going — it's a productive day.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 13 °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 °C13 °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 6 hPa over the day — fish are usually more active ahead of a weather change.

    Pressure through the day, 6 hPa change
    00:00 · 102523:00 · 1019 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

    12 SepSaturday, September 12
    +14°

    Cloudy · feels like +12°

    Low / high
    +10°…+15°
    Precipitation
    0.0 mm
    Wind
    7 mph WSW
    Cloud cover
    84%
    Humidity
    70%
    Pressure
    1025 hPa
    00:00+13°—7 mphwest wind, 7 mph79%100%
    01:00+12°—6 mphwest wind, 6 mph80%100%
    02:00+12°—6 mphwest wind, 6 mph82%92%
    03:00+11°—6 mphwest wind, 6 mph84%78%
    04:00+11°—5 mphwest wind, 5 mph87%61%
    05:00+10°—5 mphwest wind, 5 mph89%46%
    06:00+10°—5 mphwest wind, 5 mph90%33%
    07:00+10°—5 mphwest wind, 5 mph90%28%
    08:00+10°—6 mphwest wind, 6 mph88%31%
    09:00+11°—6 mphwest wind, 6 mph85%41%
    10:00+12°—7 mphwest wind, 7 mph81%54%
    11:00+13°—7 mphwest wind, 7 mph75%68%
    12:00+14°—7 mphsouthwest wind, 7 mph70%84%
    13:00+15°—8 mphsouthwest wind, 8 mph67%97%
    14:00+15°0.1 mm8 mphsouthwest wind, 8 mph67%100%
    15:00+15°0.1 mm9 mphsouthwest wind, 9 mph70%100%
    16:00+14°0.1 mm9 mphsouthwest wind, 9 mph73%100%
    17:00+13°0.1 mm9 mphsouthwest wind, 9 mph77%100%
    18:00+13°0.1 mm9 mphsouthwest wind, 9 mph81%100%
    19:00+12°0.1 mm10 mphsouthwest wind, 10 mph84%100%
    20:00+12°1.8 mm11 mphsouthwest wind, 11 mph86%100%
    21:00+12°1.8 mm13 mphsouthwest wind, 13 mph89%100%
    22:00+13°1.8 mm15 mphsouthwest wind, 15 mph92%100%
    23:00+13°1.8 mm16 mphsouthwest wind, 16 mph94%100%
    +15°+12°+10°
    Weather throughout the day
    0:006:0012:0018:0023:00

    Sun and moon

    Saturday, September 12
    The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
    DaylightMoon above the horizon
    Sunrise
    06:46
    Sunset
    19:36
    Day length
    12 h 50 min
    Sunshine hours
    10 h 9 min
    UV index
    4
    moderate
    Moon
    New moon
    Moonrise
    08:24
    Moonset
    19:45

    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

    +15% in the windowSaturday, September 12
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major00:49–02:49Moon underfoot
    • Minor07:54–08:54Moonrise
    • Major13:12–15:12Moon overhead
    • Minor19:15–20:15Moonset

    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

    • Brockley River0.5 mi
    • Archimedes Screw power generator2 mi
    • River Exe3 mi
    • River Haddeo3 mi
    • River Batherm4 mi
    • River Hadden4 mi
    • Pulham River5 mi
    • River Lowman7 mi
    • River Yeo8 mi
    • River Quarme9 mi

    Nearby water bodies

    • ReservoirWimbleball Lake5 mi
    • LakeThe Lake6 mi
    • ReservoirClatworthy Reservoir9 mi