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© 2026·AI-powered bite forecast
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Ireland / County Donegal / Roosky Lough

Bite forecast: Roosky Lough

  • 4 ha
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Best fishing days for the next week

  1. WednesdaySeptember 9weather-based forecast
    70/100high activity

    Cloudy: 9–12 °C

  2. MondaySeptember 7weather-based forecast
    65/100high activity

    Cloudy: 11–14 °C

  3. ThursdaySeptember 3weather-based forecast
    62/100high activity

    Drizzle: 14–16 °C

Roosky Lough (County Donegal) — one of the area's fishing spots. About 4 ha in area. Close by — Dunfanaghy, Falcarragh and Milford. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.

Nearby towns

  • Dunfanaghy6 mi
  • Falcarragh7 mi
  • Milford9 mi
Loading map…

Nearby rivers

  • Faymore River0.9 mi
  • Duntally River2 mi
  • Owencarrow River2 mi
  • Carrownamaddy River2 mi
  • Kildaragh River3 mi
  • Lackagh River3 mi
  • Ballymore Burn3 mi

Nearby water bodies

  • LakeLough Natooey South0.7 mi
  • LakeKilloughcarran Lough1 mi
  • LakeCarrick Lough2 mi
  • LakeLough More2 mi
  • LakeLough Agarrowen2 mi
  • LakeBrockagh Lough2 mi
  • LakeLough Naboll2 mi
  • LakeLough Agannive3 mi
  • LakeLough Agher3 mi
  • LakeColumbkille's Lough3 mi

Bite calendar

Aug 31 – Sep 6
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Bite activity:highmediumlowslow
Based on:weatherseasonal
What is a bite calendar?
European eelPikeBreamCarpPerchBrown troutRainbow troutRoachBleakRuddTenchWhite bream

Bleak

4/10 · Weak

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 — 11:00–14:00 and 15:00–16:00 (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

An average day — best chances during peak windows.

How this forecast is calculated

Why this forecast

The computed water temperature is around 14 °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 °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 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 · 101523:00 · 1009 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

2 SepWednesday, September 2
+16°

Cloudy · feels like +16°

Low / high
+13°…+18°
Precipitation
0.0 mm
Wind
9 mph SE
Cloud cover
100%
Humidity
92%
Pressure
1010 hPa
00:00+14°—5 mphsouth wind, 5 mph94%92%
01:00+14°—5 mphsouth wind, 5 mph95%100%
02:00+14°—5 mphsouth wind, 5 mph95%100%
03:00+14°—7 mphsouth wind, 7 mph94%99%
04:00+14°—3 mphsoutheast wind, 3 mph94%100%
05:00+13°—5 mphsoutheast wind, 5 mph96%100%
06:00+13°—5 mphsoutheast wind, 5 mph96%100%
07:00+14°0.2 mm5 mphsoutheast wind, 5 mph97%100%
08:00+14°1.1 mm6 mpheast wind, 6 mph98%100%
09:00+14°0.6 mm7 mphsoutheast wind, 7 mph97%100%
10:00+15°—8 mphsoutheast wind, 8 mph96%100%
11:00+16°—10 mphsoutheast wind, 10 mph94%100%
12:00+16°—9 mphsoutheast wind, 9 mph92%100%
13:00+16°1.5 mm7 mphsoutheast wind, 7 mph96%100%
14:00+16°2.2 mm6 mphsouth wind, 6 mph96%100%
15:00+18°0.2 mm9 mphsouthwest wind, 9 mph94%98%
16:00+17°0.6 mm9 mphsouthwest wind, 9 mph96%100%
17:00+16°0.1 mm10 mphsouthwest wind, 10 mph96%100%
18:00+16°—10 mphsouthwest wind, 10 mph95%100%
19:00+16°—9 mphsouthwest wind, 9 mph92%100%
20:00+16°0.1 mm12 mphsouthwest wind, 12 mph96%100%
21:00+16°0.5 mm11 mphsouthwest wind, 11 mph98%100%
22:00+16°0.1 mm14 mphsouthwest wind, 14 mph97%100%
23:00+16°0.2 mm10 mphsouthwest wind, 10 mph96%100%
+18°+16°+13°
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
06:40
Sunset
20:22
Day length
13 h 42 min
Sunshine hours
0 min
UV index
2
low
Moon
Waning gibbous
Moonrise
21:24
Moonset
13:52

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
  • Major04:16–06:16Moon overhead
  • Minor13:22–14:22Moonset
  • Major16:44–18:44Moon underfoot
  • Minor20:54–21:54Moonrise

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?