Sec Grand Case
Discover a captivating coral reef nestled in the scenic bay of Grand Case, located in the stunning waters of France. This enchanting dive site is home to an abundant population of green turtles and rays, including majestic eagles and graceful stingrays. Suitable for divers of all levels, from beginners to experienced enthusiasts, the dive offers a depth ranging from 5 to 12 meters.
Immerse yourself in a vibrant ecosystem, where various species of coral thrive and flourish. This site is especially cherished for its exceptional turtle and ray encounters, making it a popular choice for unforgettable night dives. With visibility reaching up to 11 meters and a maximum depth of 8 meters, this captivating underwater world is ready to be explored.
Located on Rue du Cimetière, La Savane, Grand Case, Saint Martin (France), 97150, France, this dive site awaits adventurous divers seeking a remarkable underwater experience. Embark on an unforgettable journey into the depths of this dive haven, where nature's wonders come to life.
Immerse yourself in a vibrant ecosystem, where various species of coral thrive and flourish. This site is especially cherished for its exceptional turtle and ray encounters, making it a popular choice for unforgettable night dives. With visibility reaching up to 11 meters and a maximum depth of 8 meters, this captivating underwater world is ready to be explored.
Located on Rue du Cimetière, La Savane, Grand Case, Saint Martin (France), 97150, France, this dive site awaits adventurous divers seeking a remarkable underwater experience. Embark on an unforgettable journey into the depths of this dive haven, where nature's wonders come to life.
Diving Conditions Score for Sec Grand Case
8
Very GoodVery good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Sec Grand Case
Depth
8m
Visibility
11m
Experience Level
beginner
Weather Conditions for Sec Grand Case
Wave Height
1.18m
Wind Speed
27.1 m/s
Water Temp
28.2°C
Visibility
35.36km
Cloud Cover
16%
Wave Period
5s
Air Temperature
27.7°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Sec Grand Case
Alpha
Dive Score Chart for Sec Grand Case
Best time to dive: 15:00 with score 7.52/10. Water conditions: Waves 1.14m, Wind 27.9 m/s.Best night dive time: 0:00 with score 7.032266666666667/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Sec Grand Case: 06:00
Sunset at Sec Grand Case: 18:00
Optimal diving conditions at Sec Grand Case 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
15:00Score: 7.5/10
Waves: 1.14m (5.1s), Wind: 27.9 m/s
Safest Overall
14:00Score: 7.5/10
Waves: 1.14m (5.15s), Wind: 29.2 m/s
Best Night
0:00Score: 7.0/10
Waves: 1.16m, Wind: 32.8 m/s
Seasonal Analysis for Sec Grand CaseAlpha
Historical patterns and best seasons for diving at Sec Grand Case
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 Sec Grand Case
Winter
Avg. Score: 9.2/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Sec Grand Case
January
Score: 9.3
December
Score: 9.2
February
Score: 9.1
Ideal Conditions for Sec Grand Case
Water Temp
27.0°C / 80.6°F
July
Visibility
11.6m / 38.1ft
May
Wave Height
2.7m / 8.9ft
January
Wave Period
8.0s
January
Seasonal Insights for Sec Grand Case
Sec Grand Case shows typical northern hemisphere patterns with June being the warmest month (27.2°C) and January the coldest (21.7°C). The calmest conditions typically occur in January with average wave heights of 2.7m 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). April is usually the driest month with 0.3mm 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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