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© 2026·AI-powered bite forecast
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United Kingdom / Argyll and Bute / River Eachaig

Bite forecast: River Eachaig

  • length 8 km
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Best fishing days for the next week

  1. ThursdaySeptember 10weather-based forecast
    65/100high activity

    Drizzle: 13–16 °C

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River Eachaig (Argyll and Bute) — one of the area's fishing spots. About 8 km long. Close by — Helensburgh and Rothesay. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.

MondaySeptember 7weather-based forecast
59/100medium activity

Drizzle: 13–16 °C

  • SundaySeptember 6weather-based forecast
    58/100medium activity

    Cloudy: 15–18 °C

  • Nearby towns

    • Helensburgh9 mi
    • Rothesay12 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?
    DaceEuropean eelGraylingPikeWhitefishBarbelRuffeZanderAtlantic salmonBreamCarpWels catfishPerchRainbow troutBrown troutIdeBleakChubCrucian carpRoachWhite breamRuddTench

    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 20:00–21:00 (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

    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 — 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 °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 rising 10 hPa over the day — the bite usually settles down after a rise.

    Pressure through the day, 10 hPa change
    00:00 · 101223:00 · 1021 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
    +15°

    Partly cloudy · feels like +13°

    Low / high
    +13°…+16°
    Precipitation
    0.0 mm
    Wind
    10 mph W
    Cloud cover
    62%
    Humidity
    73%
    Pressure
    1020 hPa
    00:00+13°—16 mphwest wind, 16 mph80%30%
    01:00+13°—12 mphwest wind, 12 mph77%89%
    02:00+13°0.1 mm11 mphwest wind, 11 mph83%45%
    03:00+13°—10 mphnorthwest wind, 10 mph78%70%
    04:00+13°—9 mphwest wind, 9 mph76%45%
    05:00+13°—10 mphwest wind, 10 mph78%95%
    06:00+13°—9 mphwest wind, 9 mph79%48%
    07:00+13°—11 mphwest wind, 11 mph81%10%
    08:00+13°—10 mphwest wind, 10 mph82%95%
    09:00+14°—10 mphwest wind, 10 mph78%65%
    10:00+15°—8 mphwest wind, 8 mph77%100%
    11:00+15°0.1 mm10 mphwest wind, 10 mph75%93%
    12:00+15°—10 mphwest wind, 10 mph73%62%
    13:00+16°—10 mphwest wind, 10 mph68%88%
    14:00+16°—10 mphwest wind, 10 mph66%68%
    15:00+16°—8 mphwest wind, 8 mph66%50%
    16:00+16°—8 mphwest wind, 8 mph65%89%
    17:00+15°—9 mphwest wind, 9 mph73%37%
    18:00+16°—5 mphwest wind, 5 mph67%3%
    19:00+15°—2 mphnorth wind, 2 mph78%74%
    20:00+14°—2 mpheast wind, 2 mph83%100%
    21:00+13°—3 mphsoutheast wind, 3 mph82%100%
    22:00+13°—3 mphsoutheast wind, 3 mph81%100%
    23:00+14°—5 mphsoutheast wind, 5 mph80%100%
    +16°+14°+13°
    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
    06:33
    Sunset
    20:05
    Day length
    13 h 32 min
    Sunshine hours
    7 h 43 min
    UV index
    3
    moderate
    Moon
    Waning crescent
    Moonrise
    23:18
    Moonset
    17:52

    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

    +15% in the windowSaturday, September 5
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major07:02–09:02Moon overhead
    • Minor17:22–18:22Moonset
    • Major19:33–21:33Moon underfoot
    • Minor22:48–23:48Moonrise

    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

    • Allta Mor1 mi
    • Little Eachaig River1 mi
    • River Massan3 mi
    • Schoolhouse Burn4 mi
    • Glen Finart Burn4 mi
    • Glentarsan Burn5 mi
    • Inverchaolian Burn6 mi
    • Glenshellish Burn8 mi
    • Auchenbreck Burn8 mi
    • Kip Water8 mi

    Nearby water bodies

    • BayHoly Loch2 mi
    • LakeLoch Loskin4 mi
    • ReservoirLoch Tarsan4 mi
    • LakeLoch Eck4 mi
    • ReservoirBishop's Glen Reservoir5 mi
    • LakeLochan Ghlas Laoigh6 mi
    • ReservoirLindowan Reservoir6 mi
    • LakeLoch na Leirg7 mi
    • BayGare Loch7 mi
    • BayLoch Long8 mi