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U-455

The U-455, a German submarine launched in 1941 during World War II, rests in the depths of the water southeast of Genoa, Italy. It is believed to have been sunk in 1944 by a mine at a depth ranging between 110 and 120 meters. Measuring 67 meters in length, this dive site offers an exhilarating challenge for experienced divers.

Exploring the U-455 reveals a magnificent ecosystem thriving on its entire structure. Oysters, anemones, and various micro-organisms blanket the hull, creating a vibrant and colorful underwater spectacle. The site is known for its mesmerizing anthias clouds that envelop the submarine.

With a visibility of up to 28 meters and a maximum depth of 72 meters, this dive provides divers with a clear view of the captivating marine life surrounding the U-455. It is essential for divers to possess advanced expertise to fully appreciate and navigate this remarkable underwater site.

Located near Sant'Ilario in Levante, Genoa, Liguria, Italy, this dive site offers a unique opportunity to explore a piece of history while marveling at the thriving marine ecosystem that has taken hold on the U-455. Prepare yourself for an unforgettable and challenging dive experience.

Diving Conditions Score for U-455

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 U-455

Depth

72m

Visibility

28m

Experience Level

expert

Weather Conditions for U-455

Wave Height

0.1m

Wind Speed

9 m/s

Water Temp

26.5°C

Visibility

38.34km

Cloud Cover

87%

Wave Period

3.75s

Air Temperature

28.9°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for U-455
Alpha

Dive Score Chart for U-455

Best time to dive: 7:00 with score 9.498743961352659/10. Water conditions: Waves 0.08m, Wind 2.2 m/s.Best night dive time: 18:00 with score 8.925555555555555/10.

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

Sunrise at U-455: 06:00
Sunset at U-455: 18:00

Optimal diving conditions at U-455 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: 9.5/10
Waves: 0.08m (3.45s), Wind: 2.2 m/s

🌙
Best Night
18:00

Score: 8.9/10
Waves: 0.1m, Wind: 2.9 m/s

Seasonal Analysis for U-455
Alpha

Historical patterns and best seasons for diving at U-455

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 U-455

Winter

Avg. Score: 9.9/10

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

Best Months for U-455

January
Score: 10.0
February
Score: 9.9
December
Score: 9.8

Ideal Conditions for U-455

Water Temp

Thermometer Emoji

24.4°C / 75.9°F

June

Visibility

Telescope Emoji

20.1m / 65.9ft

October

Wave Height

Wave Emoji

0.2m / 0.7ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for U-455

U-455 shows typical northern hemisphere patterns with June being the warmest month (24.4°C) and December the coldest (20.4°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.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jun 22, 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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