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Where to fish

  • Forecast
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© 2026·AI-powered bite forecast
0.1.0+2163 · 92c14a40

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Ireland / County Cavan / River Bursan

Bite forecast: River Bursan

  • length 1 km
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Best fishing days for the next week

  1. WednesdaySeptember 9weather-based forecast
    61/100high activity

    Cloudy: 9–14 °C

Loading map…

River Bursan (County Cavan) — a spot well known among anglers. About 1 km long. 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.

MondaySeptember 7weather-based forecast
57/100medium activity

Drizzle: 12–15 °C

  • SaturdaySeptember 5weather-based forecast
    54/100medium activity

    Cloudy: 11–16 °C

  • Bite calendar

    Aug 31 – Sep 6
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Bite activity:highmediumlowslow
    Based on:weatherseasonal
    What is a bite calendar?
    European eelPikePerchAtlantic salmonBreamCarpRainbow troutBrown 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 — 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

    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

    Worth going — it's a productive day.

    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 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 · 101823:00 · 1012 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°

    Cloudy · feels like +13°

    Low / high
    +11°…+18°
    Precipitation
    0.0 mm
    Wind
    11 mph SSW
    Cloud cover
    100%
    Humidity
    67%
    Pressure
    1020 hPa
    00:00+11°—10 mphsouthwest wind, 10 mph90%68%
    01:00+11°—10 mphsouthwest wind, 10 mph92%100%
    02:00+11°—9 mphsouthwest wind, 9 mph93%100%
    03:00+11°—9 mphsouthwest wind, 9 mph93%100%
    04:00+11°—9 mphsouthwest wind, 9 mph93%100%
    05:00+11°—8 mphsouthwest wind, 8 mph93%100%
    06:00+11°—8 mphsouthwest wind, 8 mph93%100%
    07:00+11°—8 mphsouthwest wind, 8 mph92%100%
    08:00+12°—8 mphsouthwest wind, 8 mph88%100%
    09:00+13°—8 mphsouthwest wind, 8 mph82%100%
    10:00+14°—9 mphsouthwest wind, 9 mph77%100%
    11:00+15°—10 mphsouthwest wind, 10 mph72%100%
    12:00+15°—11 mphsouth wind, 11 mph67%100%
    13:00+16°—11 mphsouth wind, 11 mph66%100%
    14:00+15°1.2 mm11 mphsouth wind, 11 mph72%100%
    15:00+14°1.2 mm10 mphsouth wind, 10 mph83%100%
    16:00+14°1.2 mm10 mphsoutheast wind, 10 mph91%100%
    17:00+14°2.0 mm11 mphsoutheast wind, 11 mph94%100%
    18:00+14°2.0 mm13 mphsoutheast wind, 13 mph94%100%
    19:00+15°2.0 mm15 mphsouth wind, 15 mph94%100%
    20:00+16°0.3 mm15 mphsouth wind, 15 mph94%100%
    21:00+17°0.3 mm16 mphsouth wind, 16 mph93%100%
    22:00+18°0.3 mm16 mphsouth wind, 16 mph93%100%
    23:00+18°—16 mphsouth wind, 16 mph93%100%
    +18°+14°+11°
    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
    06:45
    Sunset
    20:10
    Day length
    13 h 25 min
    Sunshine hours
    52 min
    UV index
    4
    moderate
    Moon
    Waning crescent
    Moonrise
    23:50
    Moonset
    17:44

    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

    +14% in the windowSaturday, September 5
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major07:14–09:14Moon overhead
    • Minor17:14–18:14Moonset
    • Major19:46–21:46Moon underfoot
    • Minor23:20–00:00Moonrise

    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

    • Shannon3 mi
    • Altnagullion River5 mi

    Nearby water bodies

    • LakeDunmakeever Lough0.5 mi
    • LakeKnockgorm Lough2 mi
    • LakeMunter Eolus Lough2 mi
    • LakeLough Nambrack2 mi
    • LakeDerrynananta Lough3 mi
    • LakeDrumhurrin Lough3 mi
    • LakeCarricknahurroo Lough3 mi
    • LakeLattone Lough4 mi
    • LakeBartonny Lough4 mi
    • LakeLough Aglaur4 mi