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San Guglielmo (Wreck)

Discover the fascinating wreck of the "San Guglielmo," a luxurious 1st class passenger ship that embarked on its maiden voyage in 1911, traversing the Italy-America route. This majestic vessel, later repurposed as a troop transport, met its untimely demise on 08.01.1918, when it was torpedoed by a German submarine. Resting gracefully on a sandy seabed at a depth of 29 meters, this submerged relic offers an enchanting dive experience.

Prepare to be captivated by the vibrant marine life that thrives amidst the wreckage. Encounter an impressive array of marine species, including groupers, corvinas, moray eels, octopuses, conger eels, and a plethora of nudibranchs. Delight in the sight of sea sows, dorids, and other fascinating creatures that call this underwater sanctuary home.

Embarking on this dive is a straightforward endeavor, with a recommended easy square pattern for exploration. It's important to note that the wreck has been designated as a nature reserve, ensuring conservation and regulation of diving activities.

With a visibility of 11 meters and a maximum depth of 28 meters, this dive is best suited for advanced divers seeking an immersive and rewarding underwater experience. Located in Italy, this captivating dive site offers a glimpse into the country's rich maritime history.

Prepare yourself for an unforgettable adventure as you explore the depths of the "San Guglielmo" wreck, encountering an abundance of marine wonders along the way.

Diving Conditions Score for San Guglielmo (Wreck)

9.4
Excellent

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

Dive Site Overview for San Guglielmo (Wreck)

Depth

28m

Visibility

11m

Experience Level

advanced

Weather Conditions for San Guglielmo (Wreck)

Wave Height

0.04m

Wind Speed

6.4 m/s

Water Temp

25.7°C

Visibility

40.4km

Cloud Cover

99%

Wave Period

4.15s

Air Temperature

26.8°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for San Guglielmo (Wreck)
Alpha

Dive Score Chart for San Guglielmo (Wreck)

Best time to dive: 7:00 with score 9.825855555555558/10. Water conditions: Waves 0.04m, Wind 1.8 m/s.Best night dive time: 19:00 with score 9.126879310344828/10.

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

Sunrise at San Guglielmo (Wreck): 06:00
Sunset at San Guglielmo (Wreck): 18:00

Optimal diving conditions at San Guglielmo (Wreck) 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
7:00

Score: 9.8/10
Waves: 0.04m (3.75s), Wind: 1.8 m/s

🌙
Best Night
19:00

Score: 9.1/10
Waves: 0.04m, Wind: 2.9 m/s

Seasonal Analysis for San Guglielmo (Wreck)
Alpha

Historical patterns and best seasons for diving at San Guglielmo (Wreck)

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 San Guglielmo (Wreck)

Winter

Avg. Score: 8.8/10

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

Best Months for San Guglielmo (Wreck)

January
Score: 9.0
February
Score: 8.7
December
Score: 8.6

Ideal Conditions for San Guglielmo (Wreck)

Water Temp

Thermometer Emoji

27.1°C / 80.8°F

July

Visibility

Telescope Emoji

17.1m / 56.1ft

January

Wave Height

Wave Emoji

0.5m / 1.6ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for San Guglielmo (Wreck)

San Guglielmo (Wreck) shows typical northern hemisphere patterns with July being the warmest month (27.1°C) and January the coldest (5.7°C). The calmest conditions typically occur in January with average wave heights of 0.5m 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 23, 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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