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Ireland / County Cavan / Brown trout

Brown trout bite in County Cavan

Brown trout lives in County Cavan. Today's bite forecast, a day-by-day and hour-by-hour activity calendar, best time and baits.

Brown trout bite forecast in County Cavan today

Best fishing days for the next week

  1. ThursdaySeptember 10weather-based forecast
    66/100high activity

    Cloudy: 11–17 °C

    Best fishing time: 06:00–09:00

  2. MondaySeptember 7weather-based forecast
    63/100high activity

    Drizzle: 12–15 °C

    Best fishing time: 06:00–09:00

  3. SaturdaySeptember 12weather-based forecast
    62/100high activity

    Drizzle: 9–12 °C

    Best fishing time: 06:00–09:00

How to catch Brown trout

Tackle, baits, spots and seasons — a full guide to catching Brown trout.

Read the guide →

Brown trout 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?

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 — 06:00–08:00 (dawn bite) and 20:00–22:00 (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: spinner or small crankbait.

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.

Why this forecast

The computed water temperature is around 15 °C — inside the 6–17 °C comfort range for Brown trout, so baseline activity is high.

Computed water temperature by month; the green band is the 6–17 °C comfort rangecomfort 6–17 °C15 °C
JFMAMJJASOND

Brown trout 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 Brown trout feeds0:0012:0024:00

Pressure is dropping 6 hPa over the day — fish are usually more active ahead of a weather change.

Pressure through the day, 6 hPa change
00:00 · 101923:00 · 1013 hPa

September is an average month for Brown trout here.

JFMAMJJASOND

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

6 SepSunday, September 6
+18°

Cloudy · feels like +16°

Low / high
+14°…+20°
Precipitation
0.0 mm
Wind
18 mph S
Cloud cover
100%
Humidity
80%
Pressure
1011 hPa
00:00+15°—12 mphsouth wind, 12 mph84%100%
01:00+15°0.2 mm13 mphsouth wind, 13 mph94%100%
02:00+15°—12 mphsouth wind, 12 mph93%98%
03:00+16°—13 mphsouth wind, 13 mph93%100%
04:00+16°—12 mphsouth wind, 12 mph94%100%
05:00+16°—13 mphsouth wind, 13 mph94%100%
06:00+17°—15 mphsouth wind, 15 mph92%100%
07:00+17°—15 mphsouth wind, 15 mph89%99%
08:00+17°—15 mphsouth wind, 15 mph88%100%
09:00+17°—16 mphsouth wind, 16 mph88%100%
10:00+17°—17 mphsouth wind, 17 mph84%100%
11:00+18°—18 mphsouth wind, 18 mph82%100%
12:00+18°—18 mphsouth wind, 18 mph80%100%
13:00+19°—17 mphsouth wind, 17 mph80%100%
14:00+19°—17 mphsouth wind, 17 mph80%100%
15:00+20°—18 mphsouth wind, 18 mph80%91%
16:00+20°—17 mphsouth wind, 17 mph80%100%
17:00+18°1.3 mm11 mphsouthwest wind, 11 mph93%100%
18:00+18°—12 mphsouthwest wind, 12 mph87%96%
19:00+17°—11 mphsouthwest wind, 11 mph83%78%
20:00+16°—9 mphwest wind, 9 mph85%94%
21:00+15°—8 mphsouthwest wind, 8 mph87%5%
22:00+14°—8 mphsouthwest wind, 8 mph89%16%
23:00+14°—7 mphsouthwest wind, 7 mph88%63%
+20°+17°+14°
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
06:46
Sunset
20:08
Day length
13 h 22 min
Sunshine hours
1 h
UV index
1
low
Moon
Waning crescent
Moonrise
—
Moonset
18:26

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 windowSunday, September 6
Feeding windows on the day scale, local time0:0012:0024:00
Major periodsMinor periods
  • Major08:15–10:15Moon overhead
  • Minor17:56–18:56Moonset
  • Major20:46–22:46Moon 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?