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Forecast
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© 2026·AI-powered bite forecast
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United States / Hawaii / Hanalei River

Bite forecast: Hanalei River

  • length 15 mi
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Best fishing days for the next week

  1. SundaySeptember 6weather-based forecast
    47/100medium activity

    Drizzle: 59–64 °F

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Nearby rivers

  • Kalihiwai River2 mi
  • Lumaha‘i River5 mi
  • Wainiha River5 mi
  • North Fork Wailua River6 mi
  • South Fork Wailua River8 mi

Nearby water bodies

  • LakeKalihiwai Reservoir4 mi
  • LakePuu Ka Ele Reservoir6 mi
  • LakeKaneha Reservoirs6 mi
  • ReservoirKa Loko Reservoir6 mi
  • LakeWailua Reservoir6 mi
  • LakeMorita Reservoir7 mi
  • LakeMimino Reservoir7 mi
  • BayWainiha Bay7 mi
  • LakeKanehu Reservoir Number One7 mi
  • LakeWaiakalua Reservoir7 mi

Hanalei River (Hawaii) — one of the area's fishing spots. About 24 km long. Close by — Kapaa and Lihue. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.

ThursdaySeptember 3weather-based forecast
44/100medium activity

Partly cloudy: 55–68 °F

  • TuesdaySeptember 8weather-based forecast
    44/100medium activity

    Showers: 61–63 °F

  • Nearby towns

    • Kapaa9 mi
    • Lihue10 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?
    Black crappieSmallmouth bassLargemouth bassBluegillCarpChannel catfish

    Black crappie

    7/10 · Good

    Hourly activity

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

    The bite is strong — fish are active. A thunderstorm is possible: activity rises before the front and drops after.

    Peak bite hours

    Best time — 05:00–08:00 (dawn bite) and 18:00–20:00 (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: small jig or minnow bait.

    Gear

    No special gear needed — seasonal clothing will do. A thunderstorm is possible — bring a rain jacket, and pack up at the first rumble of thunder.

    Summary

    Worth going — it's a productive day.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 60 °F — inside the 57–75 °F comfort range for Black crappie, so baseline activity is high.

    Computed water temperature by month; the green band is the 57–75 °F comfort rangecomfort 57–75 °F60 °F
    JFMAMJJASOND

    Black crappie 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 Black crappie feeds0:0012:0024:00

    Pressure is flat: it moves no more than 0.03 inHg over the day, so the weather isn't shifting today's bite.

    Pressure through the day, 0.03 inHg change
    00:00 · 30.0423:00 · 30.02 inHg

    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 Black crappie here.

    JFMAMJJASOND

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

    2 SepWednesday, September 2
    +67°

    Drizzle · feels like +71°

    Low / high
    +57°…+68°
    Precipitation
    0.04 in
    Wind
    5 mph WSW
    Cloud cover
    93%
    Humidity
    77%
    Pressure
    30.00 inHg
    00:00+60°—4 mphsoutheast wind, 4 mph78%36%
    01:00+60°—3 mphsoutheast wind, 3 mph81%34%
    02:00+61°—2 mphsoutheast wind, 2 mph82%21%
    03:00+60°—2 mphsoutheast wind, 2 mph85%44%
    04:00+61°—2 mphsoutheast wind, 2 mph83%45%
    05:00+61°—3 mpheast wind, 3 mph82%59%
    06:00+61°—3 mpheast wind, 3 mph81%55%
    07:00+61°—4 mpheast wind, 4 mph81%38%
    08:00+63°—2 mphsoutheast wind, 2 mph76%77%
    09:00+64°—1 mphsouth wind, 1 mph75%80%
    10:00+67°—2 mphwest wind, 2 mph72%70%
    11:00+68°—3 mphwest wind, 3 mph75%79%
    12:00+67°0.04 in5 mphwest wind, 5 mph77%93%
    13:00+64°0.11 in6 mphwest wind, 6 mph86%67%
    14:00+64°0.13 in6 mphwest wind, 6 mph84%61%
    15:00+66°0.10 in6 mphsouthwest wind, 6 mph77%100%
    16:00+65°0.14 in6 mphsouthwest wind, 6 mph82%100%
    17:00+64°0.09 in4 mphsouthwest wind, 4 mph85%100%
    18:00+64°0.03 in3 mphsouth wind, 3 mph79%100%
    19:00+62°0.01 in2 mphsoutheast wind, 2 mph79%100%
    20:00+61°—3 mphsoutheast wind, 3 mph78%83%
    21:00+59°—4 mphsoutheast wind, 4 mph81%83%
    22:00+58°—4 mphsoutheast wind, 4 mph80%77%
    23:00+57°—5 mphsoutheast wind, 5 mph78%88%
    +68°+63°+57°
    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
    06:07
    Sunset
    18:36
    Day length
    12 h 29 min
    Sunshine hours
    9 h 57 min
    UV index
    6
    high
    Moon
    Waning gibbous
    Moonrise
    22:41
    Moonset
    11:38

    The day is 1 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
    • Major03:43–05:43Moon overhead
    • Minor11:08–12:08Moonset
    • Major16:11–18:11Moon underfoot
    • Minor22:11–23:11Moonrise

    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?