Cromhall Quarry
Located in South Gloucestershire, United Kingdom, Slickstones Quarry (also known by its real name) is a prime dive site that offers a great training ground for beginner and advanced divers. With depths ranging from 1m to 16m and a maximum depth of 11m, it caters to divers of all skill levels. The visibility of the water, which is around 4m, may vary depending on the time of year.
Aside from being a popular dive spot, Slickstones Quarry is also home to various attractions that divers can explore. These include sunken boats, a helicopter, and a Cessena plane. More exciting features are set to be added in the future.
Situated conveniently near the M5 motorway, Slickstones Quarry is easily accessible from nearby locations such as Bibstone, Cromhall, and other parts of South Gloucestershire. Whether you're looking to refine your diving skills or embark on an underwater adventure, this dive site is the place to be.
Aside from being a popular dive spot, Slickstones Quarry is also home to various attractions that divers can explore. These include sunken boats, a helicopter, and a Cessena plane. More exciting features are set to be added in the future.
Situated conveniently near the M5 motorway, Slickstones Quarry is easily accessible from nearby locations such as Bibstone, Cromhall, and other parts of South Gloucestershire. Whether you're looking to refine your diving skills or embark on an underwater adventure, this dive site is the place to be.
Diving Conditions Score for Cromhall Quarry
7.5
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Cromhall Quarry
Depth
11m
Visibility
4m
Experience Level
beginner
advanced
Weather Conditions for Cromhall Quarry
Wave Height
1m
Wind Speed
14.8 m/s
Water Temp
22.9°C
Visibility
35.64km
Cloud Cover
94%
Wave Period
8s
Air Temperature
26.7°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Cromhall Quarry
Alpha
Dive Score Chart for Cromhall Quarry
Best time to dive: 17:00 with score 8.106666666666666/10. Water conditions: Waves 1m, Wind 4.3 m/s.Best night dive time: 22:00 with score 7.91/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Cromhall Quarry: 06:00
Sunset at Cromhall Quarry: 18:00
Optimal diving conditions at Cromhall Quarry are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.
Best Overall
17:00Score: 8.1/10
Waves: 1m (8s), Wind: 4.3 m/s
Best Night
22:00Score: 7.9/10
Waves: 1m, Wind: 2.2 m/s
Seasonal Analysis for Cromhall QuarryAlpha
Historical patterns and best seasons for diving at Cromhall Quarry
The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.
Monthly Dive Score Analysis - Seasonal Diving Conditions
Higher values indicate better diving conditions
Seasonal DiveScore Chart
This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.
Higher values indicate better diving conditions
Best Season for Cromhall Quarry
Winter
Avg. Score: 10.0/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Cromhall Quarry
January
Score: 10.0
February
Score: 10.0
December
Score: 9.9
Ideal Conditions for Cromhall Quarry
Water Temp
25.2°C / 77.4°F
June
Visibility
20.1m / 65.9ft
October
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for Cromhall Quarry
Cromhall Quarry shows typical northern hemisphere patterns with June being the warmest month (25.2°C) and December the coldest (21.2°C). The calmest conditions typically occur in January with average wave heights of 0.2m and wave periods of 8.0s. The most comfortable wave conditions are in January with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). January is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during January to March, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.
Last updated: 1 min. ago - Jun 22, 2026
Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.
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