Climbing Forecast › Northern Ireland — Ballycastle › Fair Head (Farrangrenn)

NORTHERN IRELAND — BALLYCASTLE · DOLERITE

Fair Head (Farrangrenn) climbing conditions

Good — dry and climbable

Right now

Temp13°C
Wind24 km/h
Gusts36 km/h
Humidity73.7%
Rain 48h0.6mm
Last rain32h ago

Assessment

Should be dry
Good friction temperature range for dolerite
Breezy — good for drying

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Monday 28 September
Good
Temp0°C
Raindry
Wind24 km/h
Gusts36 km/h
Humidity74%
Should be dry
  • Dolerite climbs well when dry
Time °C Rain Wind (km/h) Gust Hum
10:00 — dry — — null%
18:00 13° dry 24 — 73.7%
19:00 12° dry 29 — 79.9%
20:00 12° dry 30 — 81.7%
21:00 12° dry 27 — 83.1%
Tue Tuesday 29 September
Poor
Temp15°C
Rain8mm
Wind53 km/h
Gusts—
Humidity89%
8.2mm rain forecastWind 53 km/h, gusts 0 km/h — too windyHumidity 89% — potential fog
  • Good friction range for dolerite
  • Wet dolerite is slick — let it dry before leading
  • Very windy — consider sheltered alternatives
Time °C Rain Wind (km/h) Gust Hum
06:00 13° dry 49 — 86.2%
07:00 13° dry 50 — 87.5%
08:00 14° 0.1mm 51 — 87.3%
09:00 14° 0.1mm 49 — 87.6%
10:00 14° dry 49 — 88.6%
11:00 14° dry 49 — 88.5%
12:00 15° dry 54 — 88.3%
13:00 15° dry 59 — 88.1%
14:00 15° dry 55 — 88.3%
15:00 16° 0.1mm 53 — 88.6%
16:00 16° 0.2mm 54 — 89.3%
17:00 16° 0.3mm 57 — 91.6%
18:00 16° 0.7mm 55 — 93.3%
19:00 16° 0.9mm 53 — 93.4%
20:00 16° dry 54 — 92.7%
21:00 17° 0.6mm 52 — 91.1%
Wed Wednesday 30 September
Poor
Temp16°C
Rain3mm
Wind35 km/h
Gusts—
Humidity72%
3.4mm rain forecastWindy — 35 km/h, gusts 0 km/h
  • Good friction range for dolerite
  • Wet dolerite is slick — let it dry before leading
  • Breezy — helps drying
Time °C Rain Wind (km/h) Gust Hum
06:00 14° dry 26 — 89.7%
07:00 14° dry 29 — 87.2%
08:00 14° dry 32 — 85.5%
09:00 15° 0.2mm 33 — 83.9%
10:00 15° 0.1mm 37 — 79.1%
11:00 16° 0.3mm 35 — 75.1%
12:00 16° dry 37 — 75.4%
13:00 17° 0.1mm 37 — 66.5%
14:00 17° 0.2mm 35 — 65.8%
15:00 16° 0.1mm 32 — 72%
16:00 16° 0.1mm 30 — 72.9%
17:00 15° dry 27 — 77.9%
18:00 14° dry 23 — 77.6%
19:00 14° dry 24 — 77.9%
20:00 13° dry 23 — 79.7%
21:00 13° dry 22 — 83.4%
Thu Thursday 1 October
Poor
Temp14°C
Rain0.6mm
Wind21 km/h
Gusts—
Humidity70%
0.6mm rain forecast
  • Good friction range for dolerite
  • Wet dolerite is slick — let it dry before leading
  • Breezy — helps drying
Time °C Rain Wind (km/h) Gust Hum
06:00 10° dry 23 — 90.8%
12:00 14° dry 21 — 70%
18:00 13° 0.6mm 18 — 75.4%
Fri Friday 2 October
Poor
Temp16°C
Rain2mm
Wind22 km/h
Gusts—
Humidity76%
2.2mm rain forecast
  • Good friction range for dolerite
  • Wet dolerite is slick — let it dry before leading
  • Breezy — helps drying
Time °C Rain Wind (km/h) Gust Hum
06:00 12° 0.8mm 15 — 91.9%
12:00 16° 0.7mm 22 — 75.8%
18:00 13° dry 8 — 93.7%
Sat Saturday 3 October
Good
Temp13°C
Raindry
Wind13 km/h
Gusts—
Humidity67%
Should be dry
  • Good friction range for dolerite
  • Dolerite climbs well when dry
Time °C Rain Wind (km/h) Gust Hum
06:00 9° dry 14 — 91.4%
12:00 13° dry 13 — 66.6%
18:00 12° dry 8 — 78.8%
Sun Sunday 4 October
Good
Temp16°C
Raindry
Wind22 km/h
Gusts—
Humidity83%
Should be dry
  • Good friction range for dolerite
  • Dolerite climbs well when dry
  • Breezy — helps drying
Time °C Rain Wind (km/h) Gust Hum
06:00 13° dry 22 — 88.7%
12:00 16° dry 22 — 83.3%
18:00 16° dry 19 — 87.3%
Mon Monday 5 October
Caution
Temp16°C
Rain0.1mm
Wind25 km/h
Gusts—
Humidity85%
Should be dryWindy — 25 km/h, gusts 0 km/hHumidity 85% — potential fog
  • Good friction range for dolerite
  • Dolerite climbs well when dry
  • Breezy — helps drying
Time °C Rain Wind (km/h) Gust Hum
06:00 15° dry 20 — 92.3%
12:00 16° dry 25 — 84.8%
18:00 15° dry 19 — 90.7%

About Fair Head (Farrangrenn)

Farrangrenn (E2 5c), Ocean Wall (E3 5c), Eye of the Needle (E1 5b)","Fair Head (Farrangrenn) forms a central, towering sector of the main Fair Head sea cliff, famous for its impressive concentration of long, parallel dolerite columns. The rock quality is superb, presenting continuous vertical crack systems, sharp volume edges, and exposed belay ledges set high above the boulder field. Facing due north, the wall receives minimal direct sunlight throughout the day, depending on elevated coastal winds to dry the rock after wet weather. The grade profile caters to experienced traditional climbers, offering physical jam cracks and technical face routes predominantly in the E1 to E5 range, headlined by the classic route Farrangrenn. The approach takes twenty-five minutes from the farm parking area across open pastures followed by a steep descent down Grey Man's Path or the Ballycastle gully. Navigating the severe boulder field at the cliff base requires high boots and agility.

Region
Northern Ireland — Ballycastle
Rock type
Dolerite
Aspect
north-facing
Altitude
180m
Exposure
high
Seepage
low

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