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Forecast
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© 2026·AI-powered bite forecast
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Ireland / County Mayo / Lough Conn

Bite forecast: Lough Conn

  • 46.6 km²
  • depth up to 28 m
Loading map…

Best fishing days for the next week

  1. TuesdaySeptember 8weather-based forecast
    65/100high activity

    Clear: 10–14 °C

Loading map…

Nearby rivers

  • Addergole River3 mi
  • Castlehill River4 mi
  • Derrinurchers River4 mi

Nearby water bodies

  • LakeLough Alick3 mi
  • LakeShanclogh Lough3 mi
  • LakeCloonyvollow Lough3 mi
  • LakeLoughnapastia3 mi
  • LakeLough Nambrackkeagh4 mi
  • LakeLoughanduff Big4 mi
  • LakeAttiappleton Lough4 mi
  • LakeLevally Lough5 mi
  • LakeKnockaglana Lough5 mi
  • LakeCarrowkeribly Lough5 mi

Lough Conn (County Mayo) — a spot well known among anglers. About 46.6 km² in area, up to 28 m deep. Nearby towns: Crossmolina, Foxford and Ballina. 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.

WednesdaySeptember 2weather-based forecast
61/100high activity

Drizzle: 15–17 °C

  • SaturdaySeptember 5weather-based forecast
    61/100high activity

    Drizzle: 11–17 °C

  • Nearby towns

    • Crossmolina0.8 mi
    • Foxford3 mi
    • Ballina4 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 eelPikeBreamCarpPerchBrown troutRainbow troutRoachBleakRuddTenchWhite bream

    Bleak

    4/10 · Weak

    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 — 13:00–17:00 (daytime activity).

    Tactics

    Chum one spot near a drop-off and wait for fish to arrive — don't chase them.

    Lures

    Today's bait — maggot or small hook with dough bait. In cold or murky water, add scent to your chum.

    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 — inside the 14–26 °C comfort range for Bleak, so baseline activity is high.

    Computed water temperature by month; the green band is the 14–26 °C comfort rangecomfort 14–26 °C14 °C
    JFMAMJJASOND

    Bleak feeds by day — between sunrise and sunset; their times are in the sun-and-moon card above.

    The day: daylight hours and when Bleak 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 · 101423:00 · 1011 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 average month for Bleak here.

    JFMAMJJASOND

    These are the same values the bite curve above was computed from. How the forecast works

    2 SepWednesday, September 2
    +17°

    Drizzle · feels like +17°

    Low / high
    +14°…+17°
    Precipitation
    0.2 mm
    Wind
    9 mph SW
    Cloud cover
    100%
    Humidity
    96%
    Pressure
    1010 hPa
    00:00+14°—3 mphsouth wind, 3 mph96%100%
    01:00+14°—2 mphsouth wind, 2 mph96%100%
    02:00+14°—3 mphsoutheast wind, 3 mph97%100%
    03:00+14°0.8 mm4 mphsoutheast wind, 4 mph98%100%
    04:00+14°0.5 mm4 mphsoutheast wind, 4 mph98%100%
    05:00+14°—2 mphsoutheast wind, 2 mph99%100%
    06:00+15°—5 mphsoutheast wind, 5 mph98%100%
    07:00+15°—4 mphsouth wind, 4 mph98%100%
    08:00+15°0.1 mm5 mphsouth wind, 5 mph98%100%
    09:00+15°—6 mphsouth wind, 6 mph98%100%
    10:00+16°—7 mphsouth wind, 7 mph99%100%
    11:00+16°0.3 mm7 mphsouth wind, 7 mph99%100%
    12:00+17°0.2 mm9 mphsouthwest wind, 9 mph96%100%
    13:00+17°—11 mphsouthwest wind, 11 mph96%99%
    14:00+16°0.2 mm11 mphsouthwest wind, 11 mph96%100%
    15:00+17°—11 mphsouthwest wind, 11 mph93%100%
    16:00+16°—11 mphsouthwest wind, 11 mph92%100%
    17:00+16°0.2 mm9 mphsouthwest wind, 9 mph95%100%
    18:00+17°0.4 mm11 mphsouthwest wind, 11 mph98%98%
    19:00+17°0.1 mm12 mphsouthwest wind, 12 mph99%100%
    20:00+17°—13 mphsouthwest wind, 13 mph97%99%
    21:00+16°—13 mphsouthwest wind, 13 mph94%100%
    22:00+16°0.1 mm12 mphsouthwest wind, 12 mph94%100%
    23:00+16°0.1 mm12 mphwest wind, 12 mph94%100%
    +17°+16°+14°
    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
    06:48
    Sunset
    20:26
    Day length
    13 h 38 min
    Sunshine hours
    0 min
    UV index
    1
    low
    Moon
    Waning gibbous
    Moonrise
    21:34
    Moonset
    13:51

    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

    +11% in the windowWednesday, September 2
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major04:21–06:21Moon overhead
    • Minor13:21–14:21Moonset
    • Major16:48–18:48Moon underfoot
    • Minor21:04–22:04Moonrise

    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?