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Forecast
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© 2026·AI-powered bite forecast
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Ireland / County Wicklow / Shankill River

Bite forecast: Shankill River

  • length 10 km
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Best fishing days for the next week

  1. TuesdaySeptember 8weather-based forecast
    60/100high activity

    Cloudy: 9–16 °C

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Shankill River (County Wicklow) — a popular fishing spot. About 10 km long. Close by — Blessington and Bray. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.

SaturdaySeptember 5weather-based forecast
58/100medium activity

Partly cloudy: 8–16 °C

  • ThursdaySeptember 3weather-based forecast
    56/100medium activity

    Cloudy: 13–18 °C

  • Nearby towns

    • Blessington4 mi
    • Bray11 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 eelPikePerchAtlantic salmonBreamBrown troutCarpRainbow troutRoachBleakWhite 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 — 20:00–22:00 (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

    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 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 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 · 101723:00 · 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°

    Drizzle · feels like +16°

    Low / high
    +12°…+19°
    Precipitation
    0.7 mm
    Wind
    8 mph SW
    Cloud cover
    100%
    Humidity
    98%
    Pressure
    1012 hPa
    00:00+13°—6 mphsouth wind, 6 mph93%100%
    01:00+12°—7 mphsouthwest wind, 7 mph95%100%
    02:00+12°0.7 mm5 mphsouthwest wind, 5 mph98%100%
    03:00+12°3.0 mm5 mphsouth wind, 5 mph99%100%
    04:00+13°3.0 mm8 mphsouth wind, 8 mph99%100%
    05:00+13°3.3 mm8 mphsouth wind, 8 mph99%100%
    06:00+13°10.5 mm6 mphsouth wind, 6 mph99%100%
    07:00+14°5.5 mm9 mphsouthwest wind, 9 mph100%100%
    08:00+15°—12 mphsouthwest wind, 12 mph98%100%
    09:00+15°—11 mphsouthwest wind, 11 mph96%95%
    10:00+15°0.1 mm10 mphsouthwest wind, 10 mph98%100%
    11:00+16°0.1 mm11 mphsouthwest wind, 11 mph98%99%
    12:00+16°0.7 mm8 mphsouthwest wind, 8 mph98%100%
    13:00+17°0.1 mm9 mphsouthwest wind, 9 mph94%98%
    14:00+17°0.6 mm8 mphsouthwest wind, 8 mph94%100%
    15:00+19°0.4 mm7 mphsouthwest wind, 7 mph86%92%
    16:00+18°—10 mphsouthwest wind, 10 mph83%98%
    17:00+18°0.1 mm7 mphwest wind, 7 mph82%82%
    18:00+18°—6 mphsouthwest wind, 6 mph81%91%
    19:00+17°—6 mphsouthwest wind, 6 mph83%98%
    20:00+17°—7 mphsouthwest wind, 7 mph85%100%
    21:00+16°—10 mphsouthwest wind, 10 mph90%100%
    22:00+16°—10 mphsouthwest wind, 10 mph96%100%
    23:00+16°—7 mphsouthwest wind, 7 mph90%92%
    +19°+15°+12°
    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
    06:36
    Sunset
    20:11
    Day length
    13 h 35 min
    Sunshine hours
    2 h 37 min
    UV index
    1
    low
    Moon
    Waning gibbous
    Moonrise
    21:28
    Moonset
    13:32

    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

    +13% in the windowWednesday, September 2
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major04:08–06:08Moon overhead
    • Minor13:02–14:02Moonset
    • Major16:35–18:35Moon underfoot
    • Minor20:58–21:58Moonrise

    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

    • Brittas2 mi
    • Liffey2 mi
    • Dodder6 mi
    • Owendoher6 mi
    • Glencree6 mi
    • Owendoher River6 mi
    • Glendoo Brook6 mi
    • Camac6 mi
    • Glencullen River7 mi

    Nearby water bodies

    • LakeBrittas Lake3 mi
    • ReservoirBohernabreena Reservoir Upper4 mi
    • ReservoirBohernabreena Reservoir Lower4 mi
    • LakeLower Lough Bray5 mi
    • LakeUpper Lough Bray5 mi
    • LakeCleevaun Lough6 mi
    • ReservoirPoulaphouca Reservoir7 mi
    • LakeCarp Lake8 mi