Poor.
Thunder risk increases the seriousness of exposed climbing.
Part of the crag is restrictedAvoid the hollow tree above Mambo Slab while the bat-roost notice applies.
Dartmoor · climbing crag beta
The Dewerstone climbing conditions.
Aspect-aware crag drying, rain and exposed-wind guidance for granite climbing.
30/100
Seven-day outlook
The Dewerstone day by day.
The headline stays short. Expand a day to compare recent rain, drying windows, surface state and the wind on the climb with more exposed ground above.
PoorThunder risk increases the seriousness of exposed climbing.30/100+
Access note: Avoid the hollow tree above Mambo Slab while the bat-roost notice applies. Check live details.
160 m · representative sector
30/100Crag-wide signal
Thunder risk increases the seriousness of exposed climbing.
- Rock surface
- Wet or seeping
- Recent rain
- 8.1 mm / 24 h
- Climbing-window rain
- 1.7 mm
- Face wind / gust
- 14 / 29 mph
- Above-crag gust
- 30 mph
- Best drying window
- 1 p.m.–2 p.m.
- Greasy-rock risk
- High
Wind: The cliff face and open ground above have broadly similar wind exposure.
Wet or seeping sections are likely; choose another crag or wait for direct observations.
Did this match the crag?
PoorRain is likely to wet the crag during the climbing window.20/100+
Access note: Avoid the hollow tree above Mambo Slab while the bat-roost notice applies. Check live details.
160 m · representative sector
20/100Crag-wide signal
Rain is likely to wet the crag during the climbing window.
- Rock surface
- Wet or seeping
- Recent rain
- 18.2 mm / 24 h
- Climbing-window rain
- 2.5 mm
- Face wind / gust
- 6 / 12 mph
- Above-crag gust
- 22 mph
- Best drying window
- 12 p.m.–1 p.m.
- Greasy-rock risk
- High
Wind: The cliff face is in the lee of the westerly wind, but open ground above the crag is more exposed, with gusts around 20 mph.
Wet or seeping sections are likely; choose another crag or wait for direct observations.
Did this match the crag?
PoorRain is likely to wet the crag during the climbing window.40/100+
Access note: Avoid the hollow tree above Mambo Slab while the bat-roost notice applies. Check live details.
160 m · representative sector
40/100Crag-wide signal
Rain is likely to wet the crag during the climbing window.
- Rock surface
- Wet or seeping
- Recent rain
- 2.5 mm / 24 h
- Climbing-window rain
- 0.9 mm
- Face wind / gust
- 8 / 14 mph
- Above-crag gust
- 16 mph
- Best drying window
- No clear drying window
- Greasy-rock risk
- High
Wind: The cliff face and open ground above have broadly similar wind exposure.
Wet or seeping sections are likely; choose another crag or wait for direct observations.
Did this match the crag?
PoorRain is likely to wet the crag during the climbing window.19/100+
Access note: Avoid the hollow tree above Mambo Slab while the bat-roost notice applies. Check live details.
160 m · representative sector
19/100Crag-wide signal
Rain is likely to wet the crag during the climbing window.
- Rock surface
- Wet or seeping
- Recent rain
- 0.9 mm / 24 h
- Climbing-window rain
- 5.9 mm
- Face wind / gust
- 13 / 22 mph
- Above-crag gust
- 25 mph
- Best drying window
- No clear drying window
- Greasy-rock risk
- High
Wind: The cliff face and open ground above have broadly similar wind exposure.
Wet or seeping sections are likely; choose another crag or wait for direct observations.
Did this match the crag?
PoorRain is likely to wet the crag during the climbing window.19/100+
Access note: Avoid the hollow tree above Mambo Slab while the bat-roost notice applies. Check live details.
160 m · representative sector
19/100Crag-wide signal
Rain is likely to wet the crag during the climbing window.
- Rock surface
- Wet or seeping
- Recent rain
- 10.2 mm / 24 h
- Climbing-window rain
- 5.5 mm
- Face wind / gust
- 9 / 18 mph
- Above-crag gust
- 20 mph
- Best drying window
- No clear drying window
- Greasy-rock risk
- High
Wind: The cliff face and open ground above have broadly similar wind exposure.
Wet or seeping sections are likely; choose another crag or wait for direct observations.
Did this match the crag?
PoorDew or condensation may keep shaded rock greasy.33/100+
Access note: Avoid the hollow tree above Mambo Slab while the bat-roost notice applies. Check live details.
160 m · representative sector
33/100Crag-wide signal
Dew or condensation may keep shaded rock greasy.
- Rock surface
- Wet or seeping
- Recent rain
- 12.9 mm / 24 h
- Climbing-window rain
- 0.0 mm
- Face wind / gust
- 6 / 11 mph
- Above-crag gust
- 17 mph
- Best drying window
- 11 a.m.–4 p.m.
- Greasy-rock risk
- High
Wind: The cliff face is in the lee of the westerly wind, but open ground above the crag is more exposed, with gusts around 15 mph.
Wet or seeping sections are likely; choose another crag or wait for direct observations.
Did this match the crag?
PoorRain is likely to wet the crag during the climbing window.11/100+
Access note: Avoid the hollow tree above Mambo Slab while the bat-roost notice applies. Check live details.
160 m · representative sector
11/100Crag-wide signal
Rain is likely to wet the crag during the climbing window.
- Rock surface
- Wet or seeping
- Recent rain
- 0.6 mm / 24 h
- Climbing-window rain
- 10.5 mm
- Face wind / gust
- 13 / 21 mph
- Above-crag gust
- 22 mph
- Best drying window
- No clear drying window
- Greasy-rock risk
- High
Wind: The cliff face and open ground above have broadly similar wind exposure.
Wet or seeping sections are likely; choose another crag or wait for direct observations.
Did this match the crag?
Use it as a starting signal
Granite still needs an on-arrival check.
The forecast combines recent and expected rain with broad drying, humidity, dew and wind signals. The climb and open ground above the crag are treated separately where the mapped face gives useful shelter context.
A representative climbing-face direction has been checked against a published crag description, but the named point does not resolve individual sectors, route boundaries or exact belay positions. Forecast-grid weather and representative sector geometry only. Check live access information and touch-test the rock before climbing.
Access: National Trust access advice includes avoiding abseil descents from trees. Check the live notice before travelling.