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Forecast
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© 2026·AI-powered bite forecast
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United States / Texas / Coon Island Bay

Bite forecast: Coon Island Bay

  • 603 acres
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Best fishing days for the next week

  1. WednesdaySeptember 2weather-based forecast
    32/100medium activity

    Clear: 75–97 °F

Coon Island Bay (Texas) — a popular fishing spot. About 2.4 km² in area. This is a sea water — its bite forecast is a marine one, computed apart from rivers and lakes. 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.

ThursdaySeptember 3weather-based forecast
24/100low activity

Clear: 75–99 °F

  • TuesdaySeptember 8weather-based forecast
    23/100low activity

    Clear: 77–100 °F

  • Nearby rivers

    • Pelican Slough5 mi
    • Buttermilk Slough6 mi
    • Horn Creek6 mi
    • Mad Island Slough7 mi
    • West Branch Mad Island Slough7 mi
    • Mad Island Bayou7 mi
    • Reed Creek8 mi
    • East Branch Mad Island Slough8 mi

    Nearby water bodies

    • BayOyster Lake3 mi
    • BayTres Palacios Bay4 mi
    • BayTurtle Bay4 mi
    • LakeMad Island Lake7 mi
    • LakePiper Lakes7 mi
    • BayMatagorda Bay8 mi
    Loading map…

    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?

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

    Red drumStriped bassBlack drumCobiaFlounderRed snapperSheepsheadKing mackerelMahi-mahiSpanish mackerelSpotted seatrout

    Black drum

    6/10 · Fair

    Hourly activity

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

    The bite is moderate — fish feed in short bursts. Weather is steady, with no sharp swings — fish behave predictably.

    Peak bite hours

    Best time — 00:00–05:00 and 23:00–23:00 (nighttime activity).

    Tactics

    Look for structure — reefs, flats, channel edges; work them slowly near the bottom.

    Lures

    In clear water, natural colors work best: soft-plastic jig or live bait.

    Gear

    It's a hot day — a hat, sunglasses, and plenty of water are a must.

    Summary

    An average day — best chances during peak windows.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 85 °F — warmer than the 61–79 °F comfort range for Black drum: in the heat it drops deeper and feeds less often.

    Computed water temperature by month; the green band is the 61–79 °F comfort rangecomfort 61–79 °F85 °F
    JFMAMJJASOND

    Black drum feeds at night: the peak falls in the dark hours, between sunset and sunrise.

    The day: daylight hours and when Black drum feeds0:0012:0024:00

    Pressure is dropping 0.03 inHg over the day — fish are usually more active ahead of a weather change.

    Pressure through the day, 0.03 inHg change
    00:00 · 29.9123:00 · 29.86 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 drum here.

    JFMAMJJASOND

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

    Tides

    • Low water02:10-0.0 ft
    • High water03:300.0 ft
    • Low water12:15-1.4 ft
    • High water21:300.6 ft
    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
    0.1 ft0.0 ft-0.0 ft0.0 ft0.0 ft-0.1 ft-0.2 ft-0.4 ft-0.6 ft-0.8 ft-1.1 ft-1.3 ft-1.4 ft-1.4 ft-1.3 ft-1.0 ft-0.7 ft-0.4 ft-0.1 ft0.2 ft0.4 ft0.6 ft0.6 ft0.5 ft

    Open-Meteo tide model, grid point 2.2 mi away

    Water

    Water temp.
    88 °F
    In the model
    85 °F
    Wave
    1.6 ft
    Period
    3 s

    Open-Meteo Marine model, grid cell 2.2 mi from the waterbody. Values are daily means.

    2 SepWednesday, September 2
    +90°

    Clear · feels like +95°

    Low / high
    +75°…+96°
    Precipitation
    0.00 in
    Wind
    11 mph SSE
    Cloud cover
    0%
    Humidity
    52%
    Pressure
    29.95 inHg
    00:00+81°—10 mphsoutheast wind, 10 mph48%0%
    01:00+80°—9 mphsoutheast wind, 9 mph47%0%
    02:00+80°—8 mphsoutheast wind, 8 mph46%0%
    03:00+78°—12 mphsoutheast wind, 12 mph60%0%
    04:00+76°—11 mphsoutheast wind, 11 mph74%0%
    05:00+76°—11 mphsoutheast wind, 11 mph79%0%
    06:00+76°—12 mphsoutheast wind, 12 mph80%1%
    07:00+75°—11 mphsoutheast wind, 11 mph82%1%
    08:00+75°—11 mphsoutheast wind, 11 mph82%0%
    09:00+79°—13 mphsoutheast wind, 13 mph75%3%
    10:00+82°—11 mphsoutheast wind, 11 mph67%2%
    11:00+86°—11 mphsouth wind, 11 mph59%1%
    12:00+90°—11 mphsouth wind, 11 mph52%0%
    13:00+92°—11 mphsouth wind, 11 mph44%0%
    14:00+94°—10 mphsouth wind, 10 mph39%3%
    15:00+95°—9 mphsoutheast wind, 9 mph36%18%
    16:00+96°—9 mphsoutheast wind, 9 mph35%1%
    17:00+96°—10 mphsoutheast wind, 10 mph33%0%
    18:00+95°—11 mphsoutheast wind, 11 mph32%0%
    19:00+94°—11 mphsoutheast wind, 11 mph32%0%
    20:00+89°—9 mphsoutheast wind, 9 mph38%0%
    21:00+86°—9 mphsoutheast wind, 9 mph42%0%
    22:00+84°—9 mphsoutheast wind, 9 mph45%0%
    23:00+82°—10 mphsoutheast wind, 10 mph48%0%
    +96°+85°+75°
    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
    07:21
    Sunset
    20:04
    Day length
    12 h 43 min
    Sunshine hours
    11 h 34 min
    UV index
    6
    high
    Moon
    Waning gibbous
    Moonrise
    23:04
    Moonset
    12:30

    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

    +14% in the windowWednesday, September 2
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major04:22–06:22Moon overhead
    • Minor12:00–13:00Moonset
    • Major16:49–18:49Moon underfoot
    • Minor22:34–23:34Moonrise

    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?