Right now

Temp16°C

Wind41 km/h

Gusts61 km/h

Humidity88.2%

Rain 48hdry

Last rain56h ago

Assessment

3.7mm rain forecast

Wind 44 km/h, gusts 0 km/h — too windy

Tidal access: Most of Main Cliff can be traversed into at low tide and/or calm seas. Many routes are tidal — research individual lines. Bring a tide table.

Strong onshore wind — sea spray may wet the rock

High humidity (88.2%) — quartzite friction compromised, particularly for bouldering

Humidity 88.2% — potential fog/cloud, rock may be damp from condensation

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Sunday 6 September

Poor

Temp18°C

Rain4mm

Wind44 km/h

Gusts61 km/h

Humidity80%

3.7mm rain forecastWind 44 km/h, gusts 0 km/h — too windy

Wet quartzite is slippery but not damaged by climbing
Very windy — consider sheltered alternatives

Time °C Rain Wind (km/h) Gust Hum

06:00 16° dry 41 — 88.2%

07:00 16° dry 39 — 87.4%

08:00 16° dry 38 — 85.8%

09:00 17° dry 38 — 83%

10:00 17° dry 40 — 81.2%

11:00 18° dry 44 — 76.7%

12:00 18° dry 45 — 78.7%

13:00 19° dry 44 — 79.8%

14:00 19° dry 44 — 79.5%

15:00 19° dry 44 — 81.2%

16:00 18° dry 44 — 84%

17:00 18° dry 42 — 86.3%

18:00 18° dry 40 — 89.2%

19:00 18° dry 43 — 91.3%

20:00 18° 2mm 41 — 92.7%

21:00 18° 2mm 36 — 94.3%

Mon Monday 7 September

Poor

Temp16°C

Rain9mm

Wind38 km/h

Gusts—

Humidity84%

9.4mm rain forecastWindy — 38 km/h, gusts 0 km/h

Wet quartzite is slippery but not damaged by climbing
Very windy — consider sheltered alternatives

Time °C Rain Wind (km/h) Gust Hum

06:00 15° dry 29 — 84.7%

07:00 15° dry 27 — 84.6%

08:00 16° dry 28 — 82.1%

09:00 15° dry 29 — 84.2%

10:00 15° dry 32 — 85.5%

11:00 16° dry 36 — 85.1%

12:00 16° dry 36 — 82.3%

13:00 16° dry 37 — 82.9%

14:00 16° dry 38 — 81.9%

15:00 16° 1mm 40 — 84.7%

16:00 16° 3mm 49 — 82.3%

17:00 16° 1mm 46 — 84.7%

18:00 16° 2mm 46 — 85.5%

19:00 16° 1mm 45 — 86.6%

20:00 15° 0.5mm 43 — 87.2%

21:00 16° 0.3mm 40 — 80.9%

Tue Tuesday 8 September

Poor

Temp15°C

Rain1mm

Wind44 km/h

Gusts—

Humidity71%

1mm rain forecastWind 44 km/h, gusts 0 km/h — too windy

Wet quartzite is slippery but not damaged by climbing
Very windy — consider sheltered alternatives

Time °C Rain Wind (km/h) Gust Hum

06:00 14° dry 46 — 81.3%

07:00 14° dry 46 — 79.4%

08:00 14° dry 45 — 78.3%

09:00 14° dry 46 — 77.4%

10:00 14° dry 47 — 74.8%

11:00 15° 0.1mm 46 — 70.4%

12:00 15° dry 45 — 69.1%

13:00 15° dry 45 — 70.1%

14:00 16° dry 44 — 69.4%

15:00 16° 0.1mm 41 — 73.8%

16:00 16° 0.4mm 41 — 68.7%

17:00 15° 0.3mm 42 — 76%

18:00 16° dry 48 — 71.6%

Wed Wednesday 9 September

Good

Temp14°C

Rain0.1mm

Wind21 km/h

Gusts—

Humidity75%

Should be dry

Quartzite holds friction well when dry
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 14° dry 37 — 84%

12:00 14° dry 21 — 75.2%

18:00 15° dry 19 — 69.8%

Thu Thursday 10 September

Poor

Temp16°C

Rain0.4mm

Wind32 km/h

Gusts—

Humidity90%

0.4mm rain forecastWindy — 32 km/h, gusts 0 km/hHumidity 90% — potential fog

Quartzite holds friction well when dry
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 15° dry 30 — 86.4%

12:00 16° dry 32 — 90.1%

18:00 16° dry 14 — 93.2%

Fri Friday 11 September

Caution

Temp15°C

Rain0.1mm

Wind30 km/h

Gusts—

Humidity79%

Should be dryWindy — 30 km/h, gusts 0 km/h

Quartzite holds friction well when dry
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 15° dry 32 — 90.8%

12:00 15° dry 30 — 79.3%

18:00 16° dry 23 — 73%

Sat Saturday 12 September

Poor

Temp16°C

Rain2mm

Wind32 km/h

Gusts—

Humidity80%

1.8mm rain forecastWindy — 32 km/h, gusts 0 km/h

Wet quartzite is slippery but not damaged by climbing
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 14° 0.1mm 12 — 79.7%

12:00 16° 0.2mm 32 — 80%

18:00 16° 2mm 47 — 87%

Sun Sunday 13 September

Caution

Temp16°C

Rain0.1mm

Wind33 km/h

Gusts—

Humidity91%

Should be dryWindy — 33 km/h, gusts 0 km/hHumidity 91% — potential fog

Quartzite holds friction well when dry
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 16° 0.1mm 30 — 89%

12:00 16° dry 33 — 90.8%

18:00 17° dry 24 — 87.6%

Tidal access
Most of Main Cliff can be traversed into at low tide and/or calm seas. Many routes are tidal — research individual lines. Bring a tide table.

Bird ban (02-15 to 07-31)
Seabird nesting (guillemots, razorbills, fulmars) — partial closures on parts of Main Cliff and around North/South Stack. Check BMC RAD for current restrictions before going.

About Gogarth Main Cliff

World-class quartzite sea cliff on Holy Island. West-facing — afternoon sun. Adventurous, occasionally loose, with tidal approaches. One of the most impressive sea cliffs in the UK.

Region: North Wales — Anglesey
Rock type: Quartzite
Aspect: west-facing
Altitude: 30m
Exposure: high
Seepage: low

Other crags in this region

Holyhead Mountain Rhoscolyn