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Scuba diving at Giuseppe Dezza (TA-35) in Rovinj
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Giuseppe Dezza (TA-35)

GOOD
RovinjBoat
About This Site
The Giuseppe Dezza (TA-35) is the second most popular wreck of the Rovinj/Istria area after the Baron Gautsch, and a staple deep dive offered by every Rovinj operator. She was a WWI-era Italian torpedo boat, launched in 1913 as the Pilade Bronzetti and later renamed Giuseppe Dezza, then taken into German Kriegsmarine service in 1943 as TA-35. On 17 August 1944 she struck an anchored mine on the Pula–Rovinj barrage line near the Brijuni islands, broke in two and sank with heavy loss of life. Today she lies at the mouth of the Fažana channel, roughly 13 nautical miles south-southeast of Rovinj, with the deck around 28-30 m and the seabed near 34-37 m. The bow and stern rest about 50-70 m apart, so the site is usually dived in two visits; the well-preserved stern section, sitting upright with its main deck gun and anti-aircraft machine guns still in place, is the classic dive.

Difficulty

Advanced

Max Depth

37m

Type

Boat

Typical Visibility

20m

Conditions Summary

Best time today

9AM - 3PM

GREAT

Best day in forecast

Tomorrow

GREAT

2026-07-12

Community-reported visibility

n/a

Warnings for today

  • Rain expected - bacteria levels may increase

The wreck lies at the southern mouth of the Fazana channel, tucked behind the Brijuni archipelago, so its swell window is far from open. The Brijuni islands and southern islets sit only about 1-2 NM to the west and northwest and the Istrian mainland closes off the north through east, shadowing all of those landward sectors. The exposed arc is the open water to the south, opening down-channel into the wider upper Adriatic, where the S-SSW sector is unobstructed. A Jugo (Sirocco) driving up the NW-SE Adriatic axis is the main wave-maker here and reaches the site from the SSE/S, though the Premantura/Pula headland about 8 NM to the SE partly cuts the pure SE fetch. A Bura (Bora) from the NE blows offshore over land and has little fetch to build waves at this position. Being sheltered by Brijuni keeps the site diveable more often than the fully exposed Baron Gautsch, but a sustained southerly still builds channel chop quickly.

NNEESESSWWNW
Protected
Partially Exposed
Exposed
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Nearby Dive Sites
CoriolanusBanjole (caves)Sveti Ivan na pučiniBaron GautschHans Schmidt (Istra)Fraškerić