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  • Forecast
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United Kingdom / Conwy / Lake Llyn Crafnant

Bite forecast: Lake Llyn Crafnant

  • 23 ha
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Best fishing days for the next week

  1. MondaySeptember 7weather-based forecast
    69/100high activity

    Cloudy: 12–14 °C

  2. SundaySeptember 6weather-based forecast
    68/100high activity

    Partly cloudy: 12–22 °C

  3. TuesdaySeptember 8weather-based forecast
    68/100high activity

    Partly cloudy: 9–14 °C

Nearby towns

  • Llandudno Junction11 mi
  • Colwyn Bay12 mi

Lake Llyn Crafnant (Conwy) — a spot well known among anglers. About 23 ha in area. Close by — Llandudno Junction and Colwyn Bay. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.

Loading map…

Bite calendar

Friday, September 4

Aug 31 – Sep 6
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Bite activity:highmediumlowslow
Based on:weatherseasonal
What is a bite calendar?
WhitefishBreamDacePikeRuffeZanderBrown troutCarpWels catfishEuropean eelIdePerchRainbow troutChubCrucian carpRoachWhite breamBleakRuddTench

Bleak

3/10 · Weak

Hourly activity

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

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

Peak bite hours

Best time — 11:00–16:00 (daytime activity).

Tactics

Chum one spot near a drop-off and wait for fish to arrive — don't chase them.

Lures

Today's bait — maggot or small hook with dough bait. In cold or murky water, add scent to your chum.

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

A slow day — go only if you really feel like it.

How this forecast is calculated

Why this forecast

The computed water temperature is around 14 °C — colder than the 14–26 °C comfort range for Bleak: the fish conserves energy and takes more cautiously.

Computed water temperature by month; the green band is the 14–26 °C comfort rangecomfort 14–26 °C14 °C
JFMAMJJASOND

Bleak feeds by day — between sunrise and sunset; their times are in the sun-and-moon card above.

The day: daylight hours and when Bleak feeds0:0012:0024:00

Pressure is rising 9 hPa over the day — the bite usually settles down after a rise.

Pressure through the day, 9 hPa change
00:00 · 101023:00 · 1018 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 average month for Bleak here.

JFMAMJJASOND

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

4 SepFriday, September 4
+15°

Cloudy · feels like +11°

Low / high
+13°…+15°
Precipitation
0.0 mm
Wind
13 mph WSW
Cloud cover
100%
Humidity
71%
Pressure
1012 hPa
00:00+14°3.8 mm4 mphsouth wind, 4 mph97%100%
01:00+14°5.8 mm3 mphsoutheast wind, 3 mph98%100%
02:00+14°6.5 mm1 mpheast wind, 1 mph99%100%
03:00+14°4.1 mm5 mphnorthwest wind, 5 mph99%100%
04:00+13°4.2 mm6 mphnorthwest wind, 6 mph98%100%
05:00+13°2.1 mm6 mphwest wind, 6 mph98%100%
06:00+13°1.1 mm6 mphwest wind, 6 mph97%100%
07:00+13°0.4 mm6 mphsouthwest wind, 6 mph95%100%
08:00+13°—9 mphsouthwest wind, 9 mph90%100%
09:00+13°—9 mphwest wind, 9 mph83%100%
10:00+14°—11 mphwest wind, 11 mph76%100%
11:00+14°—13 mphwest wind, 13 mph71%100%
12:00+15°—13 mphwest wind, 13 mph71%100%
13:00+15°—13 mphwest wind, 13 mph68%100%
14:00+15°—13 mphwest wind, 13 mph69%100%
15:00+14°—13 mphwest wind, 13 mph72%100%
16:00+14°0.1 mm13 mphwest wind, 13 mph76%100%
17:00+14°0.3 mm10 mphwest wind, 10 mph84%100%
18:00+15°—10 mphsouthwest wind, 10 mph74%45%
19:00+14°—10 mphsouthwest wind, 10 mph74%100%
20:00+14°—11 mphsouthwest wind, 11 mph77%77%
21:00+13°—9 mphsouthwest wind, 9 mph79%82%
22:00+13°—10 mphwest wind, 10 mph81%100%
23:00+13°—7 mphsouthwest wind, 7 mph81%92%
+15°+14°+13°
Weather throughout the day
0:006:0012:0018:0023:00

Sun and moon

Friday, September 4
The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
DaylightMoon above the horizon
Sunrise
06:29
Sunset
19:57
Day length
13 h 28 min
Sunshine hours
4 h 40 min
UV index
3
moderate
Moon
Last quarter
Moonrise
22:36
Moonset
16:13

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

+13% in the windowFriday, September 4
Feeding windows on the day scale, local time0:0012:0024:00
Major periodsMinor periods
  • Major05:55–07:55Moon overhead
  • Minor15:43–16:43Moonset
  • Major18:26–20:26Moon underfoot
  • Minor22:06–23:06Moonrise

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?

Nearby rivers

  • Afon Crafnant2 mi
  • Nant Gwryd3 mi
  • River Conwy3 mi
  • Afon Llugwy3 mi

Nearby water bodies

  • ReservoirLlyn Geirionydd0.9 mi
  • LakeLlyn Bychan1 mi
  • ReservoirLlyn Bodgynydd1 mi
  • ReservoirLlyn Glangors2 mi
  • LakeLlyn Cowlyd2 mi
  • ReservoirLlyn Goddionduon2 mi
  • ReservoirLlyn Ty'n-y-mynydd2 mi
  • LakeLlyn Sarnau2 mi
  • LakeLlyn Pencraig2 mi
  • LakeLlyn y Parc3 mi