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

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Canada / British Columbia / Bay Inner Nanaimo Harbour

Bite forecast: Bay Inner Nanaimo Harbour

  • 1.3 km²
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Best fishing days for the next week

  1. WednesdaySeptember 2weather-based forecast
    75/100high activity

    Partly cloudy: 5–12 °C

Bay Inner Nanaimo Harbour (British Columbia) — one of the area's fishing spots. About 1.3 km² in area. The town of Nanaimo is nearby. Salt water, not fresh — so this page carries its own marine bite forecast. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.

SundaySeptember 6weather-based forecast
60/100high activity

Cloudy: 2–10 °C

  • TuesdaySeptember 8weather-based forecast
    53/100medium activity

    Cloudy: 2–12 °C

  • Nearby towns

    • Nanaimo0.5 km
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    Nearby water bodies

    • BayCommercial Inlet0.8 km
    • SeaMcKay Channel0.9 km
    • BayMark Bay0.9 km
    • SeaMeakin Channel1 km
    • SeaNewcastle Island Passage2 km
    • BayKanaka Bay2 km
    • BayMidden Bay2 km
    • LakeMallard Lake3 km
    • BayOuter Nanaimo Harbour3 km
    • ReservoirColliery Dam Lower Lake3 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?

    In the fish list, this icon marks species recorded here by GBIF. Unmarked species may still occur in the waterbody.

    Brown troutChum salmonCoho salmonDolly VardenPink salmonSockeye salmonSteelheadChinook salmonLingcodPacific halibutRockfish

    Brown trout

    9/10 · Good

    Hourly activity

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

    The bite is strong — fish are active. Pressure is rising — activity tends to be more subdued.

    Peak bite hours

    Best time — 07:00–09:00 (dawn bite) and 20:00–22:00 (dusk bite).

    Tactics

    Look for structure — reefs, flats, channel edges; work them slowly near the bottom. The water's cold — fish it more delicately and slowly.

    Lures

    The water's turning murky — go with bright, noisy lures: spinner or small crankbait. The water's cold — work the lure slower than usual.

    Gear

    Bring a warm jacket — it's noticeably colder on the water than on shore. 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 8 °C — inside the 6–17 °C comfort range for Brown trout, so baseline activity is high.

    Computed water temperature by month; the green band is the 6–17 °C comfort rangecomfort 6–17 °C8 °C
    JFMAMJJASOND

    Brown 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 Brown trout 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 · 102023:00 · 1016 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 Brown trout here.

    JFMAMJJASOND

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

    Tides

    • Low water02:41-1.2 m
    • High water09:340.8 m
    • Low water14:300.1 m
    • High water20:321.4 m
    0:006:0012:0018:0023:000:006:0012:0018:0023:00
    Sea level height by hour
    00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
    -0.5 m-0.9 m-1.2 m-1.2 m-1.0 m-0.7 m-0.2 m0.2 m0.6 m0.7 m0.8 m0.6 m0.4 m0.2 m0.1 m0.1 m0.2 m0.5 m0.9 m1.2 m1.4 m1.4 m1.2 m0.7 m

    Open-Meteo tide model, grid point 16.7 km away

    Water

    Water temp.
    17 °C
    In the model
    8 °C
    Wave
    0.1 m
    Period
    2 s

    Open-Meteo Marine model, grid cell 16.7 km from the waterbody. Values are daily means.

    6 SepSunday, September 6
    +8°

    Cloudy · feels like +5°

    Low / high
    +1°…+10°
    Precipitation
    0.0 mm
    Wind
    2 m/s SE
    Cloud cover
    100%
    Humidity
    66%
    Pressure
    1018 hPa
    00:00+3°—0 m/snorth wind, 0 m/s98%66%
    01:00+3°—0 m/snorth wind, 0 m/s99%74%
    02:00+2°—0 m/snorthwest wind, 0 m/s99%88%
    03:00+1°—0 m/swest wind, 0 m/s99%98%
    04:00+1°—0 m/swest wind, 0 m/s100%100%
    05:00+2°—0 m/swest wind, 0 m/s100%100%
    06:00+2°—0 m/swest wind, 0 m/s100%100%
    07:00+2°—0 m/ssouthwest wind, 0 m/s100%79%
    08:00+3°—0 m/ssoutheast wind, 0 m/s100%50%
    09:00+4°—0 m/ssoutheast wind, 0 m/s98%36%
    10:00+5°—1 m/ssoutheast wind, 1 m/s87%50%
    11:00+7°—1 m/ssoutheast wind, 1 m/s74%79%
    12:00+8°—2 m/ssoutheast wind, 2 m/s66%100%
    13:00+8°—2 m/ssoutheast wind, 2 m/s62%100%
    14:00+8°—2 m/ssoutheast wind, 2 m/s60%100%
    15:00+9°—2 m/ssouth wind, 2 m/s59%98%
    16:00+9°0.1 mm1 m/ssouth wind, 1 m/s56%83%
    17:00+10°0.1 mm1 m/ssouthwest wind, 1 m/s54%63%
    18:00+10°0.1 mm1 m/ssouthwest wind, 1 m/s54%44%
    19:00+8°—1 m/ssouthwest wind, 1 m/s61%29%
    20:00+6°—1 m/swest wind, 1 m/s72%15%
    21:00+5°—1 m/snorthwest wind, 1 m/s82%5%
    22:00+4°—1 m/snorthwest wind, 1 m/s86%1%
    23:00+3°—1 m/snorthwest wind, 1 m/s87%2%
    +10°+5°+1°
    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
    07:11
    Sunset
    20:25
    Day length
    13 h 14 min
    Sunshine hours
    12 h 16 min
    UV index
    3
    moderate
    Moon
    Waning crescent
    Moonrise
    00:37
    Moonset
    17:51

    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 windowSunday, September 6
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Minor00:07–01:07Moonrise
    • Major08:21–10:21Moon overhead
    • Minor17:21–18:21Moonset
    • Major20:51–22:51Moon 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?