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Tromblon

The Blunderbuss, a steam-powered gunboat built in 1825, is now a popular dive site situated in the waters of France. This impressive vessel measures 23.67 m long and 7.44 m wide, boasting a 450 hp steam engine and armed with a 24 mm gun without directional aiming capabilities. Divers of advanced and expert levels can explore this wreck, which serves as a habitat for moray eels, conger eels, and groupers. Additionally, the Blunderbuss offers a fascinating view of Mediterranean flora and fauna. With a visibility of 21m and a maximum depth of 25m, this dive site promises an unforgettable underwater experience. Located near Le Tromblon, Avenue du Languedoc, Pin-Rolland, Saint-Mandrier-sur-Mer, Toulon, Var, Provence-Alpes-Côte d'Azur, Metropolitan France, 83430, France, the Blunderbuss is a must-visit destination for diving enthusiasts.

Diving Conditions Score for Tromblon

8.6
Very Good

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

Dive Site Overview for Tromblon

Depth

25m

Visibility

21m

Experience Level

advanced
expert

Weather Conditions for Tromblon

Wave Height

0.1m

Wind Speed

11.9 m/s

Water Temp

23.5°C

Visibility

42.1km

Cloud Cover

0%

Wave Period

4.05s

Air Temperature

26.8°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Tromblon
Alpha

Dive Score Chart for Tromblon

Best time to dive: 17:00 with score 8.897894736842105/10. Water conditions: Waves 0.1m, Wind 8.2 m/s.Best night dive time: 22:00 with score 8.93981981981982/10.

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

Sunrise at Tromblon: 06:00
Sunset at Tromblon: 18:00

Optimal diving conditions at Tromblon 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
22:00

Score: 8.9/10
Waves: 0.1m (3.7s), Wind: 1.8 m/s

🌞
Safest Overall
17:00

Score: 8.9/10
Waves: 0.1m (3.8s), Wind: 8.2 m/s

🌞
Best Day
17:00

Score: 8.9/10
Waves: 0.1m, Wind: 8.2 m/s

Seasonal Analysis for Tromblon
Alpha

Historical patterns and best seasons for diving at Tromblon

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 Tromblon

Winter

Avg. Score: 8.3/10

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

Best Months for Tromblon

January
Score: 9.0
December
Score: 8.1
February
Score: 7.9

Ideal Conditions for Tromblon

Water Temp

Thermometer Emoji

26.8°C / 80.2°F

July

Visibility

Telescope Emoji

16.9m / 55.4ft

January

Wave Height

Wave Emoji

0.6m / 2.0ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Tromblon

Tromblon shows typical northern hemisphere patterns with July being the warmest month (26.8°C) and January the coldest (5.2°C). The calmest conditions typically occur in January with average wave heights of 0.6m 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 18, 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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