Glen Strathallen
The Glen Strathallen, a ship sunk on 27th April 1970, lies just off the Shag Stone in around 15m of water. Despite being broken up, the wreck still offers a fascinating sight on the sandy bottom. Divers can catch glimpses of the stern and bow sections, as well as the intact boiler and deck winch, alongside scattered artifacts. Covered in marine life, the boiler stands about 5m tall, forming a vibrant reef structure. The wreck's scattered plates are also visible, creating an additional attraction for divers. Swim northwest from the wreck to discover rocky outcrops and a kelp forest, where a variety of marine creatures like wrasse, spider and edible crabs, and cuttlefish can be observed. With a visibility of 7m and a maximum depth of 16m, this dive is suitable for both beginner and advanced divers. Located near Torpoint, Cornwall, in South West England, this dive site offers a thrilling adventure in the waters of the United Kingdom.
Diving Conditions Score for Glen Strathallen
6.1
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Glen Strathallen
Depth
16m
Visibility
7m
Experience Level
beginner
advanced
Weather Conditions for Glen Strathallen
Wave Height
0.78m
Wind Speed
10 m/s
Water Temp
17°C
Visibility
15km
Cloud Cover
57.5%
Wave Period
4.15s
Air Temperature
20°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Glen Strathallen
Alpha
Dive Score Chart for Glen Strathallen
Best time to dive: 6:00 with score 7.516666666666666/10. Water conditions: Waves 0.78m, Wind 10 m/s.Best night dive time: 0:00 with score 7.016666666666666/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Glen Strathallen: 06:00
Sunset at Glen Strathallen: 18:00
Optimal diving conditions at Glen Strathallen 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
6:00Score: 7.5/10
Waves: 0.78m (8s), Wind: 10 m/s
Best Night
0:00Score: 7.0/10
Waves: 0.78m, Wind: 10 m/s
Seasonal Analysis for Glen StrathallenAlpha
Historical patterns and best seasons for diving at Glen Strathallen
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 Glen Strathallen
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 Glen Strathallen
January
Score: 10.0
February
Score: 10.0
December
Score: 9.9
Ideal Conditions for Glen Strathallen
Water Temp
25.0°C / 77.0°F
June
Visibility
20.1m / 65.9ft
October
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for Glen Strathallen
Glen Strathallen shows typical northern hemisphere patterns with June being the warmest month (25.0°C) and December the coldest (21.0°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.
23 Dive sites near Glen Strathallen in
Brixham Breakwater Beach
Thurlestone Beach
Challaborough Bay
Hallsands
Stoke Beach
Jenny Cliff
Bovisand Bay
Fort Bovisand
Crown Hill Bay
Drake's Island
Eastern Kings
Mewstone East
Heybrook Bay
Shag Stone
Breakwater Fort
Abelard
Panther Shoal
Glen Strathallen
Cawsand Bay
Hand Deeps
HMS Scylla, wreck
James Egan Layne
Talland Bay
Got feedback?
Help us improve this dive site by giving us feedback.