Diving atNasello (Italy)
An Italian merchant steamship, the Nasello, was built in 1924 before its sinking by British torpedoes in 1943. It now rests on its port side off Cala Luna, its hull violently torn apart, which exposes much of its internal machinery. At the stern, divers find the propeller and rudder, though one blade is notably absent. Both bow and stern sections remain largely intact, hinting at its operational past.
As evening covers Nasello, the local air temperature is measured at 18.1°C. The current wave height at the surface is recorded at 0.74m. These late-day readings characterize the surface conditions for the night.
Dive Site Coordinates
40.2207, 9.6550
Key Dive Site Facts
Dive Site Overview
Engaging with the Nasello wreck provides a tangible connection to maritime history, resting off Cala Luna in Sardinia's Orosei region. Built as a fishing steamship in 1924, the Italian merchant vessel met its fate in 1943, sunk by a British submarine.
Diving here offers an intermediate challenge, necessitating an Advanced Open Water certification or equivalent, as maximum depths extend to 32 to 34 m (104-112 ft). Upon descent, divers confront the aftermath of its violent demise; the hull lies on its port side, with severe damage across its central section where torpedoes made impact. Numerous internal machinery parts are laid bare due to the destruction.
Amidst the debris, the propeller and rudder are still discernible at the stern, although one blade is notably absent. Exploring the relatively preserved bow and stern sections reveals clearer glimpses into the ship's original layout and compartments, offering a chance for limited penetration for qualified divers.
An average dive typically spans around 45 minutes, allowing ample time to appreciate this historical artifact and the thriving marine life it now hosts, which has transformed it into a vibrant artificial reef.
Best Time to Dive
Seasonal conditions favor diving at Nasello from May through October, aligning with "Excellent" dive scores for June, July, and August. During these peak months, water temperatures consistently range from 22-26°C (72-79°F), ensuring comfortable conditions for longer dives. Air temperatures are also quite pleasant, averaging 24.8°C in June, peaking at 28.7°C in July, and settling around 27.8°C in August. Minimal rainfall, typically under 1 mm, contributes to stable surface conditions. Waves generally remain low, averaging 0.3 to 0.4 meters, which translates to calmer boat rides to the site. Beyond these months, conditions remain "Good" for diving, though winter water temperatures drop to 14-18°C (57-64°F). Expect higher wave heights and cooler air temperatures, with January and February averages near 12.1°C and 12.8°C, and waves approaching 1 meter.
Climate Historical Averages
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Reaching the Nasello wreck requires a boat entry, followed by a descent into the Mediterranean's depths. As divers descend, visibility varies considerably, from 15 to 30 m (50-100 ft), influenced by daily conditions and seasonal plankton blooms. Currents are typically mild or absent, facilitating a relaxed and controlled exploration. Resting on its port side at approximately 34 m (112 ft), the ship's central section is completely destroyed, creating a dramatic visual impact. Moving sternward, the rudder and a lone propeller blade are identifiable, protruding from the sand. Further exploration uncovers two cabins, now only structural skeletons with missing walls. Bow and stern sections remain largely intact, offering opportunities for controlled penetration by appropriately certified divers.
Dive Difficulty & Safety Guidelines
Given the intermediate difficulty and depth of the Nasello wreck, an Advanced Open Water Diver certification or equivalent is required. Planning your dive within no-decompression limits is crucial, and a dive computer is an essential tool for monitoring your bottom time and ascent profile. While currents are generally mild, conditions can vary, so always check local reports before entering the water. For those considering penetration into the bow or tail sections, extreme caution is advised due to the presence of loose cables, discarded fishing nets, and rusty metal. Maintaining excellent buoyancy control is paramount to avoid disturbing sediment or entangling in debris. Always dive with a reliable buddy and carry a surface marker buoy for safety.
Recommended Equipment
No verified equipment items yet.
Verified equipment recommendations for this dive site are being reviewed and may be added as additional source checks are completed.
Recommended Dive Suit
Divers planning deeper dives may feel cooler than those staying in shallower areas.
Many divers find that 5-7mm wetsuit offers a comfortable balance between warmth and mobility. Surface intervals may feel cooler. Forecast trends indicate similar diving conditions over the next few days.
Current temperature readings suggest that the water at Nasello is around 18°C (64°F). Surface air temperatures are resting at 18°C (65°F).
Conditions last reviewed: 18:00 using the latest environmental data.
Dive Logistics & Preparation
Hyperbaric Chamber
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Entry Requirements
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Currency
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Marine Life at Nasello
Upon the Nasello wreck, a dense mix of marine flora immediately catches the eye, covering its surfaces. Abundant growth attracts numerous species, transforming the sunken vessel into an active habitat. Look for large scorpionfish, often camouflaged amongst the encrusted metal and algae. Groupers frequently patrol the wreck's larger structures. Sea cicadas and sizable moray eels might be spotted lurking within crevices and exposed machinery. Divers may also encounter stonefish, nudibranchs, and occasional rays gliding along the sandy seabed surrounding the wreck. Its evolution from historical artifact into a vibrant ecosystem is consistently impressive.
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Frequently Asked Questions
What is the maximum depth of the Nasello wreck?
The Nasello wreck lies on its port side with its deepest point reaching approximately 34 m (112 ft). The site max depth for general diving is reported as 30 m (100 ft).
What certification is needed to dive Nasello?
Due to its depth and intermediate difficulty, an Advanced Open Water Diver certification or equivalent is required to dive the Nasello wreck. This ensures divers have the necessary experience for deeper explorations.
What marine life can be seen at Nasello?
The wreck is home to diverse marine species. Common sightings include scorpionfish, groupers, sea cicadas, and large moray eels. You might also spot nudibranchs and rays.
What are the water temperatures like?
Water temperatures vary seasonally; they are typically 22-26°C (72-79°F) in summer and cooler, ranging from 14-18°C (57-64°F) in winter.
How long is a typical dive at Nasello?
An average dive at the Nasello wreck usually lasts around 45 minutes. This duration allows sufficient time for exploring the wreck's distinct sections.
Are there any specific hazards to be aware of?
Within the wreck's interior, divers should be cautious of loose cables, discarded fishing nets, and rusty metal. Maintaining excellent buoyancy is crucial, especially if considering controlled penetration of the bow or stern.
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