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Biosnar

Discover the immersive experience of diving in the stunning walls of Jaizkibel mountain. This dive site boasts a sandy bottom teeming with a diverse array of marine life, including abundant scrapie and mosaic stripes.

Prepare to encounter banks of chicharros, bogas, and sargos, as well as fascinating creatures such as octopus, cuttlefish, conger eel, spider crab, scrapie, and mosaic rays.

Located at one of the points of Mount Jaizkibel, this dive offers excellent visibility of up to 8 meters and a maximum depth of 16 meters. Suitable for both beginner and advanced divers, this underwater adventure is perfect for exploring the vibrant marine ecosystem of Spain.

Don't miss the opportunity to dive near Biosnar lurmuturra, Jaizkibel-Ipar-Punta Bioznar, Hondarribia/Fontarrabie, Bidasoa Beherea/Bajo Bidasoa, Gipuzkoa, Autonomous Community of the Basque Country, 20280, Spain, a close and convenient location for your dive excursion.

Diving Conditions Score for Biosnar

7.4
Good

Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Biosnar

Depth

16m

Visibility

8m

Experience Level

beginner
advanced

Weather Conditions for Biosnar

Wave Height

0.58m

Wind Speed

16.2 m/s

Water Temp

23.3°C

Visibility

25.38km

Cloud Cover

100%

Wave Period

6.5s

Air Temperature

29.6°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Biosnar
Alpha

Dive Score Chart for Biosnar

Best time to dive: 15:00 with score 8.346240740740742/10. Water conditions: Waves 0.52m, Wind 7.5 m/s.Best night dive time: 23:00 with score 8.294407713498623/10.

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

Sunrise at Biosnar: 06:00
Sunset at Biosnar: 18:00

Optimal diving conditions at Biosnar 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
15:00

Score: 8.3/10
Waves: 0.52m (5.85s), Wind: 7.5 m/s

🌙
Best Night
23:00

Score: 8.3/10
Waves: 0.48m, Wind: 3.3 m/s

Seasonal Analysis for Biosnar
Alpha

Historical patterns and best seasons for diving at Biosnar

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 Biosnar

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 Biosnar

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

Ideal Conditions for Biosnar

Water Temp

Thermometer Emoji

21.4°C / 70.5°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 Biosnar

Biosnar shows typical northern hemisphere patterns with July being the warmest month (21.4°C) and January the coldest (4.9°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 21, 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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