Grandes Jorasses
The Great Jorasses stands apart from other Alpine dive sites with its stunning volcanic formations. Divers will be captivated by the awe-inspiring wall, reaching up to 60 meters tall, and the underwater mountain's impressive structure.
This thriving ecosystem is home to a diverse range of marine life, including pelagic fish such as barracudas, bigeye trevally, and captains. Keep an eye out for graceful stingrays resting on the sandy ocean floor as you navigate through the canyons.
With clear visibility of 22 meters, this dive site offers excellent underwater views. It is best suited for expert divers with advanced diving skills. Located in France near Sentier Grande Anse - Anse d'Arlet, Les Anses-d'Arlet, Le Marin, Martinique, 97217, this site guarantees an unforgettable diving experience.
Embark on an extraordinary underwater adventure and discover the wonders of the Great Jorasses. Begin your exploration in the water today!
This thriving ecosystem is home to a diverse range of marine life, including pelagic fish such as barracudas, bigeye trevally, and captains. Keep an eye out for graceful stingrays resting on the sandy ocean floor as you navigate through the canyons.
With clear visibility of 22 meters, this dive site offers excellent underwater views. It is best suited for expert divers with advanced diving skills. Located in France near Sentier Grande Anse - Anse d'Arlet, Les Anses-d'Arlet, Le Marin, Martinique, 97217, this site guarantees an unforgettable diving experience.
Embark on an extraordinary underwater adventure and discover the wonders of the Great Jorasses. Begin your exploration in the water today!
Diving Conditions Score for Grandes Jorasses
7.1
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Grandes Jorasses
Depth
40m
Visibility
22m
Experience Level
expert
Weather Conditions for Grandes Jorasses
Wave Height
1.32m
Wind Speed
23.1 m/s
Water Temp
28.3°C
Visibility
31.12km
Cloud Cover
56%
Wave Period
5.9s
Air Temperature
28.9°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Grandes Jorasses
Alpha
Dive Score Chart for Grandes Jorasses
Best time to dive: 7:00 with score 6.682166666666667/10. Water conditions: Waves 1.38m, Wind 19.2 m/s.Best night dive time: 5:00 with score 6.065433333333334/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Grandes Jorasses: 06:00
Sunset at Grandes Jorasses: 18:00
Optimal diving conditions at Grandes Jorasses 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
7:00Score: 6.7/10
Waves: 1.38m (5.85s), Wind: 19.2 m/s
Best Night
5:00Score: 6.1/10
Waves: 1.38m, Wind: 18.2 m/s
Seasonal Analysis for Grandes JorassesAlpha
Historical patterns and best seasons for diving at Grandes Jorasses
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 Grandes Jorasses
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 Grandes Jorasses
January
Score: 10.0
February
Score: 10.0
March
Score: 10.0
Ideal Conditions for Grandes Jorasses
Water Temp
21.4°C / 70.5°F
June
Visibility
20.1m / 65.9ft
May
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for Grandes Jorasses
Grandes Jorasses shows typical northern hemisphere patterns with June being the warmest month (21.4°C) and December the coldest (17.4°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 19, 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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