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Where to fish

  • Forecast
  • Catches

Mine

  • Favorites
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© 2026·AI-powered bite forecast
0.1.0+2166 · bee8965a

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Canada / Ontario / Speed River

Bite forecast: Speed River

  • length 66 km
  • Flows into Grand River, Lake Erie drainage basin
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Best fishing days for the next week

  1. FridaySeptember 11weather-based forecast
    73/100high activity

    Partly cloudy: 4–19 °C

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Nearby rivers

  • Eramosa River11 km
  • Irvine Creek14 km

Nearby water bodies

  • ReservoirGuelph Lake6 km
  • LakeLake Belwood14 km

Speed River (Ontario) — one of the area's fishing spots. About 66 km long. Flows into Grand River, Lake Erie drainage basin. Close by — Cambridge and Kitchener. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.

Catches

Recorded 8 catches here. Most commonly caught: Carp, Yellow perch, Pike. Peak season: February–October.

  • Carp — Speed River, Jul 12, 3:31 PM
    Carp
    Speed River
    Jul 12, 3:31 PM
  • Yellow perch — Speed River, May 05, 6:34 PM
    Yellow perch
    Speed River
    May 05, 6:34 PM
  • Pike — Speed River, Apr 26, 1:04 PM
    Pike
    Speed River
    Apr 26, 1:04 PM
  • Black crappie — Speed River, Feb 20, 1:28 PM
    Black crappie
    Speed River
    Feb 20, 1:28 PM
  • Carp — Guelph Lake, Oct 12, 2025, 12:24 PM
    Carp
    Guelph Lake
    Oct 12, 2025, 12:24 PM
  • Carp — Speed River, Sep 02, 2025, 3:14 PM
    Carp
    Speed River
    Sep 02, 2025, 3:14 PM
  • Smallmouth bass — Speed River, Sep 14, 2024, 12:59 PM
    Smallmouth bass
    Speed River
    Sep 14, 2024, 12:59 PM
  • Carp — Speed River, Oct 02, 2022, 2:40 PM
    Carp
    Speed River
    Oct 02, 2022, 2:40 PM
TuesdaySeptember 8weather-based forecast
69/100high activity

Drizzle: 8–15 °C

  • ThursdaySeptember 10weather-based forecast
    65/100high activity

    Cloudy: 6–12 °C

  • Nearby towns

    • Cambridge5 km
    • Kitchener12 km

    Bite calendar

    Aug 31 – Sep 6
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Bite activity:highmediumlowslow
    Based on:weatherseasonal
    What is a bite calendar?
    CarpCoho salmonLargemouth bassBrook troutChannel catfishLake sturgeonYellow perchBrown troutMuskellungePikeSaugerSmallmouth bassSteelheadWalleyeWhitefishAtlantic salmonRainbow troutBlack crappieChinook salmonLake troutBurbotRainbow smelt

    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 20:00–22:00 (dusk bite).

    Tactics

    Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses.

    Lures

    In clear water, natural colors work best: salmon spoon or salmon fly.

    Gear

    Pack transitional-season clothing — mornings and evenings are chilly.

    Summary

    An average day — best chances during peak windows.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 17 °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 °C17 °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 2 hPa over the day — fish are usually more active ahead of a weather change.

    Pressure through the day, 2 hPa change
    00:00 · 102123:00 · 1019 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

    6 SepSunday, September 6
    +22°

    Cloudy · feels like +21°

    Low / high
    +12°…+25°
    Precipitation
    0.0 mm
    Wind
    2 m/s SW
    Cloud cover
    100%
    Humidity
    50%
    Pressure
    1021 hPa
    00:00+13°—2 m/ssoutheast wind, 2 m/s81%7%
    01:00+13°—1 m/ssoutheast wind, 1 m/s83%8%
    02:00+13°—2 m/ssoutheast wind, 2 m/s84%82%
    03:00+12°—2 m/ssouth wind, 2 m/s84%100%
    04:00+12°—2 m/ssouth wind, 2 m/s83%100%
    05:00+12°—2 m/ssouth wind, 2 m/s84%100%
    06:00+12°—2 m/ssouthwest wind, 2 m/s85%100%
    07:00+12°—2 m/ssouthwest wind, 2 m/s86%100%
    08:00+13°—2 m/ssouthwest wind, 2 m/s81%100%
    09:00+15°—2 m/ssouthwest wind, 2 m/s73%100%
    10:00+18°—2 m/ssouthwest wind, 2 m/s62%100%
    11:00+20°—2 m/ssouthwest wind, 2 m/s57%100%
    12:00+22°—2 m/ssouthwest wind, 2 m/s50%100%
    13:00+23°—2 m/ssouthwest wind, 2 m/s46%100%
    14:00+24°—2 m/ssouthwest wind, 2 m/s41%82%
    15:00+25°—2 m/ssouthwest wind, 2 m/s38%13%
    16:00+25°—2 m/ssouthwest wind, 2 m/s37%90%
    17:00+25°—2 m/swest wind, 2 m/s38%20%
    18:00+24°—1 m/ssouthwest wind, 1 m/s45%85%
    19:00+22°—1 m/ssouth wind, 1 m/s57%19%
    20:00+19°—2 m/ssouth wind, 2 m/s63%46%
    21:00+19°—2 m/ssouth wind, 2 m/s61%100%
    22:00+17°—2 m/ssouth wind, 2 m/s67%57%
    23:00+18°—2 m/ssouth wind, 2 m/s66%100%
    +25°+18°+12°
    Weather throughout the day
    0:006:0012:0018:0023:00

    Sun and moon

    Sunday, September 6
    The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
    DaylightMoon above the horizon
    Sunrise
    06:51
    Sunset
    20:02
    Day length
    13 h 11 min
    Sunshine hours
    12 h 57 min
    UV index
    4
    moderate
    Moon
    Waning crescent
    Moonrise
    00:58
    Moonset
    17:27

    The day is 3 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 windowSunday, September 6
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Minor00:28–01:28Moonrise
    • Major08:17–10:17Moon overhead
    • Minor16:57–17:57Moonset
    • Major20:48–22:48Moon 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 Speed River: current gauge height, streamflow, and water temperature when reported by the source.

    Water

    Streamflow
    0.7 m³/s

    USGS gauge SPEED RIVER NEAR ARMSTRONG MILLS, 1 km away · measured 2026-09-04 22:05 · data source · provisional data, subject to revision

    BiteGuide·From anglers’ reports

    What actually worked on this water

    Based on 8 verified catchesPeriod: 2022–2026

    This is a summary of anglers' reports, not a proven cause of the bite: conditions lining up does not mean they drove it.

    By fish species

    vertical axis — number of catches

    024
    41111
    CarpBlack crappiePikeSmallmouth bassYellow perch
    By fish species
    ValueCatchesShare
    Carp450%
    Black crappie113%
    Pike113%
    Smallmouth bass113%
    Yellow perch113%

    By month

    vertical axis — number of catches

    012
    111122
    FebAprMayJulSepOct
    By month
    ValueCatchesShare
    Feb113%
    Apr113%
    May113%
    Jul113%
    Sep225%
    Oct225%

    By time of day

    vertical axis — number of catches

    023
    31121
    89101114
    By time of day
    ValueCatchesShare
    08:00338%
    09:00113%
    10:00113%
    11:00225%
    14:00113%