Tomorrow: No. Rain until 12:00, and the rock stays wet after it.
How to read the dial
- Dry
- Fast‑drying sectors only
- Wet
- Now
- When it dries
Tomorrow: No. Rain until 12:00, and the rock stays wet after it.
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Bouldering gyms near the forest, for a wet day.
Fair Head: boulders by the sea, in Northern Ireland, United Kingdom. The nearest other areas here are Glen Nevis (186 km), Portrane (192 km) and Bowderstone (205 km).
The answer at the top of this page comes from the Met Office's forecast and how fast the rock dries, and it's updated through the day. Nobody checks the rock in person, so touch the holds before you climb.
We don't have Fair Head's rock type on record, so the model dries it slower than granite or limestone, to err on the wet side. These times are the model's estimates, tuned on Fontainebleau sandstone and not checked here. After a proper soaking (2 mm of rain or more), sunny, windy boulders need about 11 hours of dry weather, most of the boulders about 18 hours, and shaded ones about 25 hours. A light shower needs less. Wind, sun and dry air shorten the wait, and above about 92% humidity the model won't call the rock dry.
Wet rock is slick, and pockets and cracks seep for days. If the holds feel greasy, come back later. The boulders sit under a sea cliff, exposed to the weather and the tide.