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

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Canada / Manitoba / Rat River

Bite forecast: Rat River

  • length 218 km
  • Flows into Red River of the North, Lake Winnipeg basin
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Best fishing days for the next week

  1. TuesdaySeptember 8weather-based forecast
    61/100high activity

    Cloudy: 7–10 °C

Rat River (Manitoba) — one of the area's fishing spots. About 218 km long. Flows into Red River of the North, Lake Winnipeg basin. See when the bite is best: hourly fish activity for the days ahead, computed from the weather, pressure, and season.

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MondaySeptember 7weather-based forecast
60/100high activity

Clear: 6–14 °C

  • WednesdaySeptember 2weather-based forecast
    56/100medium activity

    Partly cloudy: 10–19 °C

  • Bite calendar

    7–Sep 13
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Bite activity:highmediumlowslow
    Based on:weatherseasonal
    What is a bite calendar?
    Arctic charCarpBrook troutChannel catfishGraylingLake sturgeonSaugerWalleyeWhitefishYellow perchGoldeyePikeRainbow troutSmallmouth bassLake troutBurbotRainbow smelt

    Arctic char

    9/10 · Good

    Hourly activity

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

    The bite is strong — fish are active. Weather is steady, with no sharp swings — fish behave predictably.

    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: spoon or large 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 11 °C — warmer than the 1–10 °C comfort range for Arctic char: in the heat it drops deeper and feeds less often.

    Computed water temperature by month; the green band is the 1–10 °C comfort rangecomfort 1–10 °C11 °C
    JFMAMJJASOND

    Arctic char 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 Arctic char feeds0:0012:0024:00

    Pressure is dropping 15 hPa over the day — fish are usually more active ahead of a weather change.

    Pressure through the day, 15 hPa change
    00:00 · 102123:00 · 1006 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 peak season for Arctic char here.

    JFMAMJJASOND

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

    8 SepTuesday, September 8
    +10°

    Cloudy · feels like +7°

    Low / high
    +7°…+10°
    Precipitation
    0.0 mm
    Wind
    4 m/s E
    Cloud cover
    100%
    Humidity
    79%
    Pressure
    1011 hPa
    00:00+9°—5 m/ssoutheast wind, 5 m/s79%98%
    01:00+9°—5 m/ssouth wind, 5 m/s77%95%
    02:00+8°—4 m/ssoutheast wind, 4 m/s79%96%
    03:00+8°—4 m/ssoutheast wind, 4 m/s82%98%
    04:00+7°—3 m/ssoutheast wind, 3 m/s85%100%
    05:00+7°—4 m/ssoutheast wind, 4 m/s87%100%
    06:00+7°—4 m/ssoutheast wind, 4 m/s89%100%
    07:00+7°—4 m/seast wind, 4 m/s90%100%
    08:00+7°—4 m/seast wind, 4 m/s89%100%
    09:00+8°—4 m/seast wind, 4 m/s87%100%
    10:00+9°—4 m/seast wind, 4 m/s84%100%
    11:00+9°—4 m/seast wind, 4 m/s81%100%
    12:00+10°—4 m/seast wind, 4 m/s79%100%
    13:00+10°—4 m/seast wind, 4 m/s79%100%
    14:00+10°1.7 mm4 m/seast wind, 4 m/s80%100%
    15:00+10°1.7 mm4 m/snortheast wind, 4 m/s83%100%
    16:00+10°1.7 mm4 m/snortheast wind, 4 m/s86%100%
    17:00+9°1.7 mm4 m/snortheast wind, 4 m/s90%100%
    18:00+9°1.7 mm4 m/snorth wind, 4 m/s93%100%
    19:00+9°1.7 mm5 m/snorth wind, 5 m/s96%100%
    20:00+9°0.3 mm5 m/snorth wind, 5 m/s97%100%
    21:00+8°0.3 mm6 m/snorth wind, 6 m/s98%99%
    22:00+8°0.3 mm6 m/snorth wind, 6 m/s98%99%
    23:00+8°0.3 mm7 m/snorth wind, 7 m/s97%98%
    +10°+9°+7°
    Weather throughout the day
    0:006:0012:0018:0023:00

    Sun and moon

    Tuesday, September 8
    The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
    DaylightMoon above the horizon
    Sunrise
    06:30
    Sunset
    19:54
    Day length
    13 h 24 min
    Sunshine hours
    0 min
    UV index
    4
    moderate
    Moon
    Waning crescent
    Moonrise
    03:31
    Moonset
    18:58

    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 windowTuesday, September 8
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Minor03:01–04:01Moonrise
    • Major10:24–12:24Moon overhead
    • Minor18:28–19:28Moonset
    • Major22:50–00:00Moon underfoot

    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?

    Measured river conditions are available for Rat River: current gauge height, streamflow, and water temperature when reported by the source.

    Water

    Streamflow
    0 m³/s

    USGS gauge RAT RIVER NEAR SUNDOWN, 30 km away · measured 2026-09-02 23:10 · data source · provisional data, subject to revision