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Cala Burtza

Discover CalaBursa, a sheltered, simple, and shallow dive site teeming with abundant marine life. Located in the cove at the eastern tip of the port of Pasaia in Spain, this underwater oasis offers an incredible diving experience.

Explore the sandy bottom of CalaBursa and encounter the graceful sole and playful scrapie. As you follow the closing arm of the cove, you'll be greeted by a rich tapestry of marine life and intriguing wrecks that once served as protective measures during past wars.

Prepare to be amazed by the vibrant banks of pea, bogas, and bream, as well as the mesmerizing presence of octopus, cuttlefish, spider crabs, conger eels, and nudibranchs. Each dive at CalaBursa promises an unforgettable encounter with the diverse and captivating underwater world.

With a visibility of 5m and a maximum depth of 10m, CalaBursa is suitable for both beginner and advanced divers. Whether you're just starting your diving journey or seeking new underwater adventures, this dive site offers an immersive experience for divers of all levels.

Located close to Alabortza kantina, Bonantza ibilbidea, Pasai Donibane, Pasaia, Donostialdea, Gipuzkoa, Autonomous Community of the Basque Country, 20110, Spain, CalaBursa is easily accessible and invites divers to uncover the hidden treasures beneath the surface.

Embark on a memorable diving expedition at CalaBursa and immerse yourself in the wonders of the underwater realm. Experience the beauty, tranquility, and thriving marine ecosystem that this captivating dive site has to offer.

Diving Conditions Score for Cala Burtza

6.7
Above Average

Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Cala Burtza

Depth

10m

Visibility

5m

Experience Level

beginner
advanced

Weather Conditions for Cala Burtza

Wave Height

0.62m

Wind Speed

9.2 m/s

Water Temp

20.3°C

Visibility

30.62km

Cloud Cover

100%

Wave Period

6.5s

Air Temperature

19°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Cala Burtza
Alpha

Dive Score Chart for Cala Burtza

Best time to dive: 6:00 with score 8.163645083932854/10. Water conditions: Waves 0.58m, Wind 8.5 m/s.Best night dive time: 2:00 with score 7.610764331210191/10.

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

Sunrise at Cala Burtza: 06:00
Sunset at Cala Burtza: 18:00

Optimal diving conditions at Cala Burtza 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
6:00

Score: 8.2/10
Waves: 0.58m (6.95s), Wind: 8.5 m/s

🌙
Best Night
2:00

Score: 7.6/10
Waves: 0.58m, Wind: 9.2 m/s

Seasonal Analysis for Cala Burtza
Alpha

Historical patterns and best seasons for diving at Cala Burtza

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 Cala Burtza

Winter

Avg. Score: 8.5/10

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

Best Months for Cala Burtza

January
Score: 9.1
February
Score: 8.3
December
Score: 8.1

Ideal Conditions for Cala Burtza

Water Temp

Thermometer Emoji

20.7°C / 69.3°F

July

Visibility

Telescope Emoji

17.7m / 58.1ft

January

Wave Height

Wave Emoji

0.4m / 1.3ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Cala Burtza

Cala Burtza shows typical northern hemisphere patterns with July being the warmest month (20.7°C) and January the coldest (4.2°C). The calmest conditions typically occur in January with average wave heights of 0.4m 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 0.0mm 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 2, 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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