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Forecast
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© 2026·AI-powered bite forecast
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Canada / Ontario / Lake trout

Lake trout bite in Ontario

Recorded 25 catches of Lake trout in Ontario. Most active — January–August. A day-by-day bite calendar for Lake trout.

Lake trout bite forecast in Ontario today

Best fishing days for the next week

  1. TuesdaySeptember 8weather-based forecast
    49/100medium activity

    Clear: 2–14 °C

    Best fishing time: 19:00–22:00

  2. WednesdaySeptember 2weather-based forecast
    44/100medium activity

    Partly cloudy: 16–21 °C

    Best fishing time: 06:00–09:00

  3. SaturdaySeptember 5weather-based forecast
    34/100medium activity

    Clear: 11–24 °C

    Best fishing time: 19:00–22:00

Map of waters and catches

Loading map…

Where it's caught

  • Squeers Lake4 catches
  • Cumming's Lake3 catches
  • Cirrus Lake2 catches
  • Pickerel Lake2 catches
  • Big Horseshoe Lake1 catch
  • Robb Lake1 catch
  • Mississagi River1 catch
  • Biggar Lake1 catch

Catches

  • Lake trout — Big Horseshoe Lake, May 20, 3:03 PM
    Lake trout
    Big Horseshoe Lake
    May 20, 3:03 PM
  • Lake trout — Robb Lake, May 18, 4:29 PM
    Lake trout
    Robb Lake
    May 18, 4:29 PM

Other fish in Ontario

  • Chinook salmon84 catches
  • Largemouth bass72 catches
  • Yellow perch70 catches
  • Pike60 catches
  • Walleye49 catches
Lake trout — Mississagi River, Mar 03, 5:22 PM
Lake trout
Mississagi River
Mar 03, 5:22 PM
  • Lake trout — Biggar Lake, Jun 23, 2025, 10:43 AM
    Lake trout
    Biggar Lake
    Jun 23, 2025, 10:43 AM
  • Lake trout — Lake Erie, May 21, 2025, 1:12 PM
    Lake trout
    Lake Erie
    May 21, 2025, 1:12 PM
  • Lake trout — Semiwite Lake, Aug 17, 2024, 1:56 PM
    Lake trout
    Semiwite Lake
    Aug 17, 2024, 1:56 PM
  • Lake trout — Quetico Lake, May 09, 2024, 2:08 PM
    Lake trout
    Quetico Lake
    May 09, 2024, 2:08 PM
  • Lake trout — Redhill Creek, Dec 04, 2023, 12:03 PM
    Lake trout
    Redhill Creek
    Dec 04, 2023, 12:03 PM
  • Rainbow trout43 catches
  • Smallmouth bass31 catches
  • Carp31 catches
  • Black crappie19 catches
  • Burbot16 catches
  • Channel catfish14 catches
  • Rainbow smelt12 catches
  • Lake trout 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?

    Hourly activity

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

    The bite is moderate — fish feed in short bursts. Pressure is dropping — this usually boosts the bite.

    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: trolling spoon or jigging spoon.

    Gear

    No special gear needed — seasonal clothing will do.

    Summary

    An average day — best chances during peak windows.

    Why this forecast

    The computed water temperature is around 17 °C — warmer than the 4–12 °C comfort range for Lake trout: in the heat it drops deeper and feeds less often.

    Computed water temperature by month; the green band is the 4–12 °C comfort rangecomfort 4–12 °C17 °C
    JFMAMJJASOND

    Lake trout 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 Lake trout feeds0:0012:0024:00

    Pressure is rising 2 hPa over the day — the bite usually settles down after a rise.

    Pressure through the day, 2 hPa change
    00:00 · 100723:00 · 1009 hPa

    September is an average month for Lake trout here.

    JFMAMJJASOND

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

    2 SepWednesday, September 2
    +20°

    Partly cloudy · feels like +20°

    Low / high
    +16°…+21°
    Precipitation
    0.0 mm
    Wind
    4 m/s W
    Cloud cover
    25%
    Humidity
    76%
    Pressure
    1008 hPa
    00:00+17°—3 m/ssouthwest wind, 3 m/s95%99%
    01:00+17°—2 m/ssouthwest wind, 2 m/s95%100%
    02:00+17°—3 m/ssouthwest wind, 3 m/s93%7%
    03:00+16°—2 m/ssouthwest wind, 2 m/s93%51%
    04:00+16°—2 m/ssouthwest wind, 2 m/s93%100%
    05:00+16°—3 m/swest wind, 3 m/s92%100%
    06:00+16°—3 m/swest wind, 3 m/s92%100%
    07:00+16°—3 m/swest wind, 3 m/s93%76%
    08:00+16°—2 m/swest wind, 2 m/s95%29%
    09:00+17°—3 m/swest wind, 3 m/s90%5%
    10:00+18°—3 m/swest wind, 3 m/s85%3%
    11:00+19°—3 m/swest wind, 3 m/s82%6%
    12:00+20°—4 m/swest wind, 4 m/s76%25%
    13:00+20°—4 m/swest wind, 4 m/s74%100%
    14:00+20°—3 m/swest wind, 3 m/s73%94%
    15:00+21°—4 m/swest wind, 4 m/s72%34%
    16:00+21°—4 m/swest wind, 4 m/s69%12%
    17:00+21°—4 m/swest wind, 4 m/s68%20%
    18:00+20°—3 m/swest wind, 3 m/s71%100%
    19:00+19°—2 m/swest wind, 2 m/s82%100%
    20:00+18°—3 m/swest wind, 3 m/s86%100%
    21:00+17°—3 m/swest wind, 3 m/s90%100%
    22:00+17°—3 m/swest wind, 3 m/s92%100%
    23:00+17°—3 m/swest wind, 3 m/s93%94%
    +21°+18°+16°
    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
    06:44
    Sunset
    20:11
    Day length
    13 h 27 min
    Sunshine hours
    9 h
    UV index
    4
    moderate
    Moon
    Waning gibbous
    Moonrise
    21:52
    Moonset
    13:43

    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
    • Major04:25–06:25Moon overhead
    • Minor13:13–14:13Moonset
    • Major16:52–18:52Moon underfoot
    • Minor21:22–22:22Moonrise

    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?