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Where to fish

  • Forecast
  • Catches

Mine

  • Favorites
Forecast
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© 2026·AI-powered bite forecast
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United Kingdom / Pembrokeshire / Sea St George's Channel

Bite forecast: Sea St George's Channel

  • 8988.7 km²
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Best fishing days for the next week

  1. WednesdaySeptember 2weather-based forecast
    59/100medium activity

    Cloudy: 16–19 °C

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Sea St George's Channel (Pembrokeshire) — a popular fishing spot. About 8988.7 km² in area. Nearby towns: St Davids, Fishguard and Newport. This is a sea water — its bite forecast is a marine one, computed apart from rivers and lakes. See when the bite is best: hourly fish activity for the days ahead, computed from the weather, pressure, and season.

Catches

Recorded 1 catch here. Most commonly caught: Bluefin tuna. Peak season: August.

  • Bluefin tuna
    St George's Channel
    17 °C20 mph
    Aug 12, 2016, 1:43 PM
ThursdaySeptember 3weather-based forecast
56/100medium activity

Cloudy: 17–20 °C

  • SundaySeptember 6weather-based forecast
    54/100medium activity

    Drizzle: 17–19 °C

  • Nearby towns

    • St Davids3 mi
    • Fishguard5 mi
    • Newport10 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?
    Atlantic mackerelBallan wrasseGrey mulletConger eelEuropean eelEuropean sea bassFlounderPollackThornback rayAtlantic salmonPlaiceWhitingAtlantic codBrown trout

    Atlantic cod

    5/10 · Fair

    Hourly activity

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

    The bite is moderate — fish feed in short bursts. A thunderstorm is possible: activity rises before the front and drops after.

    Peak bite hours

    Best time — 06:00–08:00 (dawn bite) and 19:00–21:00 (dusk bite).

    Tactics

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

    Lures

    The water's turning murky — go with bright, noisy lures: pirk or lugworm bottom rig.

    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

    An average day — best chances during peak windows.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 16 °C — warmer than the 4–12 °C comfort range for Atlantic cod: 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 °C16 °C
    JFMAMJJASOND

    Atlantic cod 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 Atlantic cod feeds0:0012:0024:00

    Pressure is dropping 3 hPa over the day — fish are usually more active ahead of a weather change.

    Pressure through the day, 3 hPa change
    00:00 · 101923:00 · 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 an active season for Atlantic cod here.

    JFMAMJJASOND

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

    Tides

    • Low water02:26-1.8 m
    • High water08:481.2 m
    • Low water14:40-1.7 m
    • High water21:081.2 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
    -0.7 m-1.4 m-1.7 m-1.7 m-1.4 m-0.9 m-0.2 m0.5 m1.0 m1.1 m0.8 m0.2 m-0.5 m-1.2 m-1.6 m-1.7 m-1.4 m-1.0 m-0.4 m0.3 m0.9 m1.2 m1.0 m0.5 m

    Open-Meteo tide model, grid point 1.6 mi away

    Water

    Water temp.
    17 °C
    In the model
    16 °C
    Wave
    1.6 m
    Period
    6 s

    Open-Meteo Marine model, grid cell 1.6 mi from the waterbody. Values are daily means.

    2 SepWednesday, September 2
    +19°

    Cloudy · feels like +18°

    Low / high
    +15°…+19°
    Precipitation
    0.0 mm
    Wind
    16 mph SW
    Cloud cover
    98%
    Humidity
    91%
    Pressure
    1015 hPa
    00:00+15°—3 mphsouthwest wind, 3 mph95%100%
    01:00+15°6.4 mm2 mphsouthwest wind, 2 mph99%100%
    02:00+16°0.3 mm5 mphsouthwest wind, 5 mph95%100%
    03:00+16°—8 mphsouth wind, 8 mph92%100%
    04:00+16°0.1 mm7 mphsouth wind, 7 mph94%100%
    05:00+16°0.2 mm9 mphsouth wind, 9 mph94%100%
    06:00+16°0.9 mm12 mphsouth wind, 12 mph96%100%
    07:00+17°1.4 mm13 mphsouth wind, 13 mph96%100%
    08:00+17°2.3 mm17 mphsouthwest wind, 17 mph95%100%
    09:00+18°0.1 mm16 mphsouthwest wind, 16 mph96%100%
    10:00+18°0.6 mm17 mphsouthwest wind, 17 mph95%100%
    11:00+19°1.3 mm17 mphsouthwest wind, 17 mph93%96%
    12:00+19°—16 mphsouthwest wind, 16 mph91%98%
    13:00+19°—15 mphsouthwest wind, 15 mph92%100%
    14:00+19°—17 mphsouthwest wind, 17 mph93%98%
    15:00+19°—16 mphsouthwest wind, 16 mph89%98%
    16:00+19°0.1 mm16 mphsouthwest wind, 16 mph91%98%
    17:00+19°—15 mphsouthwest wind, 15 mph88%93%
    18:00+19°—15 mphsouthwest wind, 15 mph88%90%
    19:00+18°—14 mphsouthwest wind, 14 mph88%100%
    20:00+18°—14 mphwest wind, 14 mph90%100%
    21:00+18°—15 mphsouthwest wind, 15 mph92%96%
    22:00+18°0.1 mm12 mphsouthwest wind, 12 mph96%100%
    23:00+18°—15 mphsouthwest wind, 15 mph98%100%
    +19°+17°+15°
    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
    06:33
    Sunset
    20:04
    Day length
    13 h 31 min
    Sunshine hours
    1 h 17 min
    UV index
    2
    low
    Moon
    Waning gibbous
    Moonrise
    21:33
    Moonset
    13:27

    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
    • Major04:08–06:08Moon overhead
    • Minor12:57–13:57Moonset
    • Major16:35–18:35Moon underfoot
    • Minor21:03–22:03Moonrise

    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?