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Forecast
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© 2026·AI-powered bite forecast
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United Kingdom / Hertfordshire / Tringford Reservoir

Bite forecast: Tringford Reservoir

  • 8 ha
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Best fishing days for the next week

  1. WednesdaySeptember 2weather-based forecast
    60/100high activity

    Cloudy: 15–21 °C

  2. SundaySeptember 6weather-based forecast
    58/100medium activity

    Partly cloudy: 16–25 °C

  3. TuesdaySeptember 8weather-based forecast
    58/100medium activity

    Cloudy: 14–17 °C

Tringford Reservoir (Hertfordshire) — a spot well known among anglers. About 8 ha in area. See when the bite is best: hourly fish activity for the days ahead, computed from the weather, pressure, and season.

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Catches

Recorded 1 catch here. Most commonly caught: Perch, Roach. Peak season: June.

  • Perch, Roach
    Tringford Reservoir
    15 °C11 mph
    Jun 30, 2020

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?
DaceEuropean eelPikeRuffeZanderPerchWhitefishBreamCarpBrown troutWels catfishRainbow troutRoachCrucian carpIdeBleakChubWhite breamRuddTench

Bleak

4/10 · Weak

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 — 11:00–15:00 and 16:00–17:00 (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. 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 17 °C — inside the 14–26 °C comfort range for Bleak, so baseline activity is high.

Computed water temperature by month; the green band is the 14–26 °C comfort rangecomfort 14–26 °C17 °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 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 · 102023:00 · 1017 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 a slow season for Bleak: the best months fall at another time of year.

JFMAMJJASOND

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

2 SepWednesday, September 2
+20°

Cloudy · feels like +17°

Low / high
+15°…+21°
Precipitation
0.0 mm
Wind
11 mph SW
Cloud cover
100%
Humidity
60%
Pressure
1019 hPa
00:00+16°—6 mphsouthwest wind, 6 mph73%89%
01:00+15°—6 mphwest wind, 6 mph79%95%
02:00+16°—6 mphwest wind, 6 mph77%100%
03:00+16°—6 mphwest wind, 6 mph79%100%
04:00+16°—6 mphwest wind, 6 mph81%100%
05:00+16°—6 mphsouthwest wind, 6 mph81%100%
06:00+15°—6 mphsouthwest wind, 6 mph81%100%
07:00+15°—6 mphsouthwest wind, 6 mph82%100%
08:00+17°—9 mphsouthwest wind, 9 mph78%97%
09:00+17°—10 mphsouthwest wind, 10 mph76%100%
10:00+19°—11 mphsouthwest wind, 11 mph68%100%
11:00+20°—12 mphsouthwest wind, 12 mph61%100%
12:00+20°—11 mphsouthwest wind, 11 mph60%100%
13:00+21°—15 mphsouthwest wind, 15 mph57%58%
14:00+19°—14 mphsouthwest wind, 14 mph66%97%
15:00+19°0.1 mm16 mphsouthwest wind, 16 mph75%100%
16:00+20°—17 mphsouthwest wind, 17 mph71%73%
17:00+21°—17 mphsouthwest wind, 17 mph69%87%
18:00+20°—15 mphsouthwest wind, 15 mph73%100%
19:00+20°—14 mphsouthwest wind, 14 mph78%100%
20:00+19°0.1 mm10 mphsouthwest wind, 10 mph86%53%
21:00+19°—10 mphsouthwest wind, 10 mph87%66%
22:00+18°—11 mphsouthwest wind, 11 mph87%10%
23:00+18°—12 mphsouthwest wind, 12 mph86%77%
+21°+18°+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
06:14
Sunset
19:45
Day length
13 h 31 min
Sunshine hours
1 h 47 min
UV index
1
low
Moon
Waning gibbous
Moonrise
21:13
Moonset
13:06

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

+12% in the windowWednesday, September 2
Feeding windows on the day scale, local time0:0012:0024:00
Major periodsMinor periods
  • Major03:47–05:47Moon overhead
  • Minor12:36–13:36Moonset
  • Major16:15–18:15Moon underfoot
  • Minor20:43–21:43Moonrise

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

  • River Bulbourne6 mi
  • River Gade6 mi
  • River Ouzel6 mi
  • River Thame7 mi
  • Clipstone Brook8 mi
  • River Ver9 mi

Nearby water bodies

  • ReservoirStartop's End Reservoir0.3 mi
  • ReservoirMarsworth Reservoir0.4 mi
  • ReservoirWilstone Reservoir0.8 mi
  • ReservoirWeston Turville Reservoir4 mi
  • LakeTiddenfoot Lake7 mi
  • LakeAstral Lake7 mi
  • LakeRackley Hills7 mi
  • LakeWestbrook Mere8 mi