Porthoustock
Welcome to Porthoustock, a fantastic dive site located in the United Kingdom. This gradual sloping shore site offers divers a maximum depth of 10m, making it an ideal location for beginner-level divers to train and explore.
The site features a harbour wall to the left and a reef to the right, creating a diverse underwater landscape with a shingly/sandy floor in between. This unique combination provides a great opportunity to encounter a wide variety of marine life.
Divers can expect to encounter fascinating burrowing species such as anemones, worms, and certain crab species. Additionally, keep an eye out for charismatic creatures like cuttlefish, stalked jellyfish, reef fish, crabs, lobsters, and more.
With a visibility of approximately 5m and a maximum depth of 8m, divers can enjoy clear underwater views and comfortable diving conditions at Porthoustock.
Whether you're a beginner looking to gain experience or an experienced diver seeking new adventures, Porthoustock is the perfect destination to explore the vibrant underwater world. Come and dive into the captivating waters of Porthoustock today.
The site features a harbour wall to the left and a reef to the right, creating a diverse underwater landscape with a shingly/sandy floor in between. This unique combination provides a great opportunity to encounter a wide variety of marine life.
Divers can expect to encounter fascinating burrowing species such as anemones, worms, and certain crab species. Additionally, keep an eye out for charismatic creatures like cuttlefish, stalked jellyfish, reef fish, crabs, lobsters, and more.
With a visibility of approximately 5m and a maximum depth of 8m, divers can enjoy clear underwater views and comfortable diving conditions at Porthoustock.
Whether you're a beginner looking to gain experience or an experienced diver seeking new adventures, Porthoustock is the perfect destination to explore the vibrant underwater world. Come and dive into the captivating waters of Porthoustock today.
Diving Conditions Score for Porthoustock
5.4
AverageAverage conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Porthoustock
Depth
8m
Visibility
5m
Experience Level
beginner
Weather Conditions for Porthoustock
Wave Height
0.88m
Wind Speed
13.3 m/s
Water Temp
16.3°C
Visibility
10.18km
Cloud Cover
100%
Wave Period
6.2s
Air Temperature
20.2°C
Precipitation
1 mm
Detailed 7-Day Diving Forecast for Porthoustock
Alpha
Dive Score Chart for Porthoustock
Best time to dive: 17:00 with score 6.905333333333334/10. Water conditions: Waves 0.82m, Wind 7.9 m/s.Best night dive time: 23:00 with score 6.8795566137566135/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Porthoustock: 06:00
Sunset at Porthoustock: 18:00
Optimal diving conditions at Porthoustock 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: 6.9/10
Waves: 0.82m (6.25s), Wind: 7.9 m/s
Best Night
23:00Score: 6.9/10
Waves: 0.68m, Wind: 9 m/s
Seasonal Analysis for PorthoustockAlpha
Historical patterns and best seasons for diving at Porthoustock
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 Porthoustock
Winter
Avg. Score: 7.9/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Porthoustock
January
Score: 8.3
February
Score: 7.8
December
Score: 7.7
Ideal Conditions for Porthoustock
Water Temp
17.7°C / 63.9°F
August
Visibility
13.1m / 43.0ft
January
Wave Height
1.4m / 4.6ft
January
Wave Period
8.0s
January
Seasonal Insights for Porthoustock
Porthoustock shows typical northern hemisphere patterns with August being the warmest month (17.7°C) and December the coldest (4.3°C). The calmest conditions typically occur in January with average wave heights of 1.4m 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 0.1mm 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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