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Balaclava Bay

This dive site offers an exciting drift diving experience, starting from a 6m ledge. Divers have the flexibility to choose their desired depth by swimming away from the shore, although the shallower region holds the most captivating sights.

Explore the diverse marine life of this location, including scallops, spider and edible crabs, dogfish, starfish, and an abundance of other fauna. With a combination of rocky reefs and sandy beds, there is a variety of underwater landscapes to discover.

Situated in the beautiful United Kingdom, this dive site boasts a visibility of 5m and a maximum depth of 14m. It is suitable for both beginner and advanced divers, offering an exciting experience for divers of all levels.

Plan your dive at this incredible location, located close to Inner Breakwater, Inner Breakwater Road, Portland Port, Portland, Castletown, Dorset, South West England, England, DT5 1PA, United Kingdom. Enjoy the underwater wonders this site has to offer and create unforgettable diving memories.

Diving Conditions Score for Balaclava Bay

5.9
Average

Average conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Balaclava Bay

Depth

14m

Visibility

5m

Experience Level

beginner
advanced

Weather Conditions for Balaclava Bay

Wave Height

0.6m

Wind Speed

15.1 m/s

Water Temp

17.2°C

Visibility

50.64km

Cloud Cover

0%

Wave Period

3.6s

Air Temperature

19.1°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Balaclava Bay
Alpha

Dive Score Chart for Balaclava Bay

Best time to dive: 11:00 with score 6.8133333333333335/10. Water conditions: Waves 0.96m, Wind 21.2 m/s.Best night dive time: 3:00 with score 6.653533333333334/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Balaclava Bay: 06:00
Sunset at Balaclava Bay: 18:00

Optimal diving conditions at Balaclava Bay 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
11:00

Score: 6.8/10
Waves: 0.96m (4.1s), Wind: 21.2 m/s

🌙
Best Night
3:00

Score: 6.7/10
Waves: 0.6m, Wind: 15.1 m/s

Seasonal Analysis for Balaclava Bay
Alpha

Historical patterns and best seasons for diving at Balaclava Bay

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 Balaclava Bay

Winter

Avg. Score: 8.2/10

Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.

Best Months for Balaclava Bay

January
Score: 8.8
December
Score: 8.1
February
Score: 7.8

Ideal Conditions for Balaclava Bay

Water Temp

Thermometer Emoji

18.4°C / 65.1°F

July

Visibility

Telescope Emoji

16.4m / 53.8ft

January

Wave Height

Wave Emoji

0.7m / 2.3ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Balaclava Bay

Balaclava Bay shows typical northern hemisphere patterns with July being the warmest month (18.4°C) and December the coldest (1.9°C). The calmest conditions typically occur in January with average wave heights of 0.7m 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.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

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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