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Where to fish

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© 2026·AI-powered bite forecast
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Ireland / County Cork / River Martin

Bite forecast: River Martin

  • length 4 km
Loading map…

Best fishing days for the next week

  1. MondaySeptember 7weather-based forecast
    59/100medium activity

    Rain: 12–13 °C

  2. ThursdaySeptember 3weather-based forecast
    57/100medium activity

    Cloudy: 15–17 °C

  3. SundaySeptember 6weather-based forecast
    54/100medium activity

    Drizzle: 14–18 °C

Nearby towns

  • Cork5 mi
  • Watergrasshill10 mi
  • Passage West11 mi

River Martin (County Cork) — a popular fishing spot. About 4 km long. Nearby towns: Cork, Watergrasshill and Passage West. See when the bite is best: hourly fish activity for the days ahead, computed from the weather, pressure, and season.

Loading map…

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 eelPikeAtlantic salmonBreamBrown troutCarpPerchRainbow troutBleakRoachRuddTenchWhite bream

Atlantic salmon

6/10 · Fair

Hourly activity

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

The bite is strong — fish are active. Pressure is rising — activity tends to be more subdued.

Peak bite hours

Best time — 07:00–08:00 (dawn bite) and 20:00–21:00 (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: salmon spoon or salmon fly.

Gear

Pack transitional-season clothing — mornings and evenings are chilly. Rain is expected — don't forget a rain jacket or a waterproof shell.

Summary

Worth going — it's a productive day.

How this forecast is calculated

Why this forecast

The computed water temperature is around 14 °C — inside the 4–14 °C comfort range for Atlantic salmon, so baseline activity is high.

Computed water temperature by month; the green band is the 4–14 °C comfort rangecomfort 4–14 °C14 °C
JFMAMJJASOND

Atlantic salmon 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 salmon feeds0:0012:0024:00

Pressure is dropping 7 hPa over the day — fish are usually more active ahead of a weather change.

Pressure through the day, 7 hPa change
00:00 · 102123:00 · 1014 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 salmon here.

JFMAMJJASOND

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

5 SepSaturday, September 5
+14°

Drizzle · feels like +12°

Low / high
+10°…+17°
Precipitation
0.7 mm
Wind
13 mph SSE
Cloud cover
100%
Humidity
94%
Pressure
1019 hPa
00:00+12°—4 mphwest wind, 4 mph80%99%
01:00+11°—3 mphwest wind, 3 mph86%100%
02:00+11°—2 mphsouthwest wind, 2 mph90%100%
03:00+10°—2 mphsouth wind, 2 mph93%100%
04:00+10°—2 mphsouth wind, 2 mph94%100%
05:00+10°—2 mphsouth wind, 2 mph90%100%
06:00+11°—3 mphsouth wind, 3 mph84%100%
07:00+12°—4 mphsouth wind, 4 mph81%100%
08:00+12°0.8 mm6 mphsouth wind, 6 mph83%100%
09:00+13°0.8 mm8 mphsouth wind, 8 mph88%100%
10:00+13°0.8 mm10 mphsouth wind, 10 mph92%100%
11:00+13°0.7 mm11 mphsouth wind, 11 mph93%100%
12:00+14°0.7 mm13 mphsouth wind, 13 mph94%100%
13:00+15°0.7 mm14 mphsouth wind, 14 mph94%100%
14:00+15°1.4 mm15 mphsouth wind, 15 mph95%100%
15:00+16°1.4 mm16 mphsouth wind, 16 mph96%100%
16:00+17°1.4 mm17 mphsouthwest wind, 17 mph96%100%
17:00+17°0.4 mm16 mphsouthwest wind, 16 mph96%100%
18:00+17°0.4 mm16 mphsouth wind, 16 mph95%100%
19:00+16°0.4 mm15 mphsouth wind, 15 mph95%100%
20:00+16°0.1 mm15 mphsouth wind, 15 mph96%100%
21:00+17°0.1 mm15 mphsouth wind, 15 mph96%100%
22:00+17°0.1 mm15 mphsouth wind, 15 mph97%100%
23:00+17°0.3 mm15 mphsouth wind, 15 mph97%100%
+17°+13°+10°
Weather throughout the day
0:006:0012:0018:0023:00

Sun and moon

Saturday, September 5
The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
DaylightMoon above the horizon
Sunrise
06:55
Sunset
20:14
Day length
13 h 19 min
Sunshine hours
8 min
UV index
1
low
Moon
Waning crescent
Moonrise
—
Moonset
17:31

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 windowSaturday, September 5
Feeding windows on the day scale, local time0:0012:0024:00
Major periodsMinor periods
  • Major07:18–09:18Moon overhead
  • Minor17:01–18:01Moonset
  • Major19:50–21:50Moon 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?

Nearby rivers

  • River Martin0.4 mi
  • Blarney River2 mi
  • Owennagearagh River3 mi
  • Owennagearagh4 mi
  • Glennamought4 mi
  • Cloghnagashee4 mi
  • River Bride4 mi
  • River Lee (North Channel)5 mi
  • Curragheen River5 mi
  • Glashaboy5 mi

Nearby water bodies

  • LakeBlarney Lake2 mi
  • LakeThe Lough6 mi
  • ReservoirBallincollig Water Works7 mi
  • LakeAtlantic Pond7 mi
  • ReservoirInniscarra Reservoir8 mi