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

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United States / Colorado / East River

Bite forecast: East River

  • length 38 mi
Loading map…

Best fishing days for the next week

  1. ThursdaySeptember 10weather-based forecast
    72/100high activity

    Clear: 57–88 °F

Nearby rivers

  • Slate River4 mi

Nearby water bodies

  • ReservoirLake Grant3 mi
  • LakeKettle Ponds5 mi
  • ReservoirMeridian Lake Park Reservoir Number 15 mi
  • LakeMeridian Lake5 mi
  • LakePeanut Lake5 mi
  • LakeNicholson Lake5 mi
  • PondTwin Lakes6 mi
  • LakeCopper Lake7 mi
  • LakeGreen Lake8 mi
  • LakeUpper Peeler Lakes9 mi

East River (Colorado) — one of the area's fishing spots. About 61 km long. This page shows an hourly bite forecast for today and the week ahead; the algorithm factors in the weather, atmospheric pressure, and the moon phase.

SaturdaySeptember 12weather-based forecast
71/100high activity

Partly cloudy: 45–73 °F

  • WednesdaySeptember 9weather-based forecast
    68/100high activity

    Cloudy: 55–86 °F

  • Loading map…

    Bite calendar

    Sunday, September 6

    Aug 31 – Sep 6
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Bite activity:highmediumlowslow
    Based on:weatherseasonal
    What is a bite calendar?
    Yellow perchPikeSmallmouth bassWalleyeWhite bassBluegillBrook troutCarpChannel catfishCutthroat troutLargemouth bassWhitefishBlack crappieRainbow troutWhite crappieBrown troutLake trout

    Black crappie

    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 19:00–21:00 (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: small jig or minnow bait.

    Gear

    It's a hot day — a hat, sunglasses, and plenty of water are a must. Rain is expected — don't forget a rain jacket or a waterproof shell.

    Summary

    An average day — best chances during peak windows.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 69 °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 °F69 °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 dropping 0.06 inHg over the day — fish are usually more active ahead of a weather change.

    Pressure through the day, 0.06 inHg change
    00:00 · 29.7623:00 · 29.69 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

    6 SepSunday, September 6
    +81°

    Clear · feels like +82°

    Low / high
    +58°…+86°
    Precipitation
    0.00 in
    Wind
    6 mph E
    Cloud cover
    2%
    Humidity
    40%
    Pressure
    29.78 inHg
    00:00+71°—8 mphnorth wind, 8 mph30%67%
    01:00+67°—8 mphnortheast wind, 8 mph49%0%
    02:00+66°—5 mphnorth wind, 5 mph59%56%
    03:00+64°0.02 in10 mphnorthwest wind, 10 mph78%92%
    04:00+62°—9 mphnorth wind, 9 mph81%100%
    05:00+60°—5 mphnorth wind, 5 mph84%28%
    06:00+59°—4 mphnorth wind, 4 mph84%1%
    07:00+58°—1 mphsouthwest wind, 1 mph86%4%
    08:00+61°—3 mphsouth wind, 3 mph85%29%
    09:00+64°—3 mphsouth wind, 3 mph79%100%
    10:00+70°—2 mphsoutheast wind, 2 mph64%18%
    11:00+76°—1 mpheast wind, 1 mph49%7%
    12:00+81°—6 mpheast wind, 6 mph40%2%
    13:00+83°—7 mpheast wind, 7 mph34%0%
    14:00+85°—10 mphsoutheast wind, 10 mph35%9%
    15:00+86°—15 mpheast wind, 15 mph31%100%
    16:00+86°—16 mphsoutheast wind, 16 mph28%59%
    17:00+85°—17 mphsoutheast wind, 17 mph27%78%
    18:00+83°—17 mphsoutheast wind, 17 mph28%100%
    19:00+79°—14 mphsoutheast wind, 14 mph32%6%
    20:00+71°—15 mphnorth wind, 15 mph57%63%
    21:00+67°—10 mphnorth wind, 10 mph66%17%
    22:00+65°—5 mphnorthwest wind, 5 mph68%23%
    23:00+65°—3 mphsouth wind, 3 mph61%1%
    +86°+72°+58°
    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
    06:32
    Sunset
    19:22
    Day length
    12 h 50 min
    Sunshine hours
    9 h 14 min
    UV index
    7
    high
    Moon
    Waning crescent
    Moonrise
    01:13
    Moonset
    16:59

    The day is 2 min shorter than yesterday.

    Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.

    Solunar feeding periods

    +10% in the windowSunday, September 6
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Minor00:43–01:43Moonrise
    • Major08:10–10:10Moon overhead
    • Minor16:29–17:29Moonset
    • Major20:40–22:40Moon 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 East River: current gauge height, streamflow, and water temperature when reported by the source.

    Water

    Gauge height
    0.70 ft
    Streamflow
    43.9 ft³/s
    Water temp · measured
    53 °F
    In the model
    69 °F

    USGS gauge EAST RIVER BELOW CEMENT CREEK NR CRESTED BUTTE, CO, 8 mi away · measured 2026-09-06 10:15 · data source · provisional data, subject to revision