Shag Stone
The stunning reef, easily accessible by RIB from Fort Bovisand, awaits divers with its captivating underwater world. Dive into the stony seabed adorned with a mesmerizing blend of green and purple pebbles. The seabed is artistically carved into flawless seaweed gullies, reminiscent of a vibrant aquatic paradise. Prepare to encounter a diverse range of marine life, including dogfish, rays, wrasse, and crabs.
With a visibility of 7m and a maximum depth of 13m, this dive site is ideal for beginner divers looking to explore the wonders of the underwater realm. Located in the United Kingdom, near Westlake Brake, Wembury, Heybrook Bay, South Hams, Devon, South West England, England, PL9 0BW, United Kingdom, this captivating underwater experience is within easy reach. Immerse yourself in the beauty of this underwater haven and create memories that will last a lifetime.
With a visibility of 7m and a maximum depth of 13m, this dive site is ideal for beginner divers looking to explore the wonders of the underwater realm. Located in the United Kingdom, near Westlake Brake, Wembury, Heybrook Bay, South Hams, Devon, South West England, England, PL9 0BW, United Kingdom, this captivating underwater experience is within easy reach. Immerse yourself in the beauty of this underwater haven and create memories that will last a lifetime.
Diving Conditions Score for Shag Stone
4
Below AverageChallenging conditions, for experienced divers only.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Shag Stone
Depth
13m
Visibility
7m
Experience Level
beginner
Weather Conditions for Shag Stone
Wave Height
0.9m
Wind Speed
12.2 m/s
Water Temp
15.6°C
Visibility
4.74km
Cloud Cover
100%
Wave Period
5.2s
Air Temperature
15.5°C
Precipitation
0.9 mm
Detailed 7-Day Diving Forecast for Shag Stone
Alpha
Dive Score Chart for Shag Stone
Best time to dive: 17:00 with score 7.0388464985994394/10. Water conditions: Waves 0.64m, Wind 6.8 m/s.Best night dive time: 18:00 with score 6.889622128851541/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Shag Stone: 06:00
Sunset at Shag Stone: 18:00
Optimal diving conditions at Shag Stone 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: 7.0/10
Waves: 0.64m (5.95s), Wind: 6.8 m/s
Best Night
18:00Score: 6.9/10
Waves: 0.62m, Wind: 4.3 m/s
Seasonal Analysis for Shag StoneAlpha
Historical patterns and best seasons for diving at Shag Stone
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 Shag Stone
Winter
Avg. Score: 8.0/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Shag Stone
January
Score: 8.6
December
Score: 7.8
February
Score: 7.7
Ideal Conditions for Shag Stone
Water Temp
18.1°C / 64.6°F
August
Visibility
15.1m / 49.5ft
January
Wave Height
0.9m / 3.0ft
January
Wave Period
8.0s
January
Seasonal Insights for Shag Stone
Shag Stone shows typical northern hemisphere patterns with August being the warmest month (18.1°C) and December the coldest (2.7°C). The calmest conditions typically occur in January with average wave heights of 0.9m 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). August 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 20, 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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