Scuba Diving at WWII USSR Submarine SHT-211

Diving atWWII USSR Submarine SHT-211 (Bulgaria)

Approaching the WWII USSR Submarine Sht-211 wreck requires acknowledging its significant historical context, marking a site where 44 personnel lost their lives. This is a compact, fragmented military wreck, typical of the Black Sea, lying within recreational diving limits. Divers should be prepared for conditions characteristic of a deeper, low-relief wreck, emphasizing careful planning and execution.

Current morning readings from WWII USSR Submarine SHT-211 indicate an air temperature of 18.5°C. Surface wave heights are averaging around 0.3 m at this time. These local measurements provide a baseline for your daily dive planning.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Max Depth24m / 79ft
Entry Typeboat
Water Typesalt
Dive Types
Wreck

Dive Site Overview

A compelling historical dive experience awaits visitors to the Sht-211, a WWII-era Soviet submarine wreck in the Black Sea, accessible from Bulgaria’s Varna area. It's a site that evokes a strong sense of its military past, characterized by a compact hull form and low relief above the seabed.

Resting in two main sections, separated by approximately 150 m (492 ft), the submarine reaches a maximum depth of 24 m (79 ft). Its recreational depth makes the site suitable for Open Water certified divers who have appropriate wreck training. Angel Divers typically organizes boat dives to this location, usually involving hotel pickups around 8:00 AM, a departure from Nessebar, and two planned wreck dives.

After the dives, a meal and a beer are common before returning to Nessebar around 5:00 PM, making it a full-day excursion. Divers will find the atmosphere of a submerged war machine, rather than a vibrant marine showcase.

Light levels diminish rapidly in the Black Sea, so close proximity to the wreck is necessary to discern its details clearly. Bringing proper lighting is essential to fully appreciate the historical aspects of the site.

WWII USSR Submarine SHT-211

Conditions are Good

8/10
Confidence: 8/10
Indicates meteorological model agreement and data availability.

Best Dive Window

07:00 - 14:00

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
19° / 21°
Wave Height
0.4 m
Wind Speed
30 km/h SSW
Rain Chance
0%

Current conditions near WWII USSR Submarine SHT-211 show 19° air, 21° sea temperature, 0.4 m waves, and 30 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 14, 2026, 06:22 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

For a comfortable and rewarding dive experience at the Sht-211, targeting months with 'Good' dive scores is recommended, typically between March and October. During this period, especially from June to August, air temperatures are at their highest, averaging 21.5°C (71°F) to 25°C (77°F). Wave heights and wind speeds also tend to be lower during these summer months, contributing to more favorable boat conditions. While the surface waters of the Black Sea can be warm, deeper sections of the wreck are notably colder, suggesting that appropriate thermal protection is essential regardless of the season. Rainfall is generally minimal during the peak dive months, contributing to consistent dive days.

PEAK SEASON SCORE

81/100
Very Good

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

JUN
JUL
AUG
DIVE SCORE
(0–100)
59
JAN
53
FEB
66
MAR
68
APR
73
MAY
84
JUN
83
JUL
77
AUG
70
SEP
72
OCT
59
NOV
57
DEC
AIR TEMP (°C)
6
6
8
11
15
22
25
25
22
17
13
9
WAVES (M)
0.9
1.1
0.8
0.8
0.7
0.6
0.6
0.9
1.0
0.8
1.0
1.1
WIND (KM/H)
32
32
27
28
26
23
26
28
30
29
35
33
RAIN (MM)
1.2
1.7
1.5
2.3
1.5
0.7
0.4
1.3
1.7
2.0
2.7
2.1
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

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

Divers typically approach the Sht-211 via a boat dive, initiating a controlled descent directly onto the wreck. As you drop through the water column, the submarine initially appears as a dark outline, requiring closer proximity to fully appreciate its form. Once on the wreck, a circuit of its exterior reveals the submarine's compact hull and low profile above the seabed. Attention to orientation and silt disturbance is crucial here. The site is notable for its two main sections, separated by a distance of 150 m (492 ft). Visibility at the site generally ranges from 4.5 to 9 meters (15 to 30 ft). While surface currents can sometimes be present, conditions at the maximum depth of 24 m (79 ft) usually exhibit no heavy current, providing a stable platform for exploration.

Dive Difficulty & Safety Guidelines

Diving the Sht-211 wreck requires a minimum certification level of Open Water Diver or equivalent, alongside at least one prior recreational dive to ensure preparedness for wreck diving conditions. Given the low relief and historical nature of this site, following your divemaster's instructions regarding navigation and silt avoidance is paramount. The Black Sea's characteristic rapid light attenuation with depth means divers should carry adequate primary and backup lighting to properly illuminate features and maintain situational awareness. Be aware that water temperatures can be remarkably cold in deeper sections; appropriate thermal exposure suits are strongly advised to ensure comfort throughout the dive. Always maintain strict buoyancy control to prevent disturbing the wreck or stirring up silt, which can quickly reduce visibility for everyone.

Recommended Equipment

Overhead / entanglement risk. Wreck penetration requires proper training.

  • Dive Computer
  • DSMB
  • Primary & Backup Lights
  • Wreck Reel
  • Cutting Tool

This gear list is based on verified equipment signals for WWII USSR Submarine SHT-211, Bulgaria. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

In conditions like these, many divers prefer diving with 3-5mm wetsuit. A hood or vest is suggested for sensitive divers due to surface winds. Surface intervals may feel cooler.

Divers entering the water at WWII USSR Submarine SHT-211 today can expect temperatures near 21°C (70°F) beneath the surface. Surface air temperatures are resting at 19°C (65°F).

Forecast models indicate that diving conditions should remain largely unchanged.

WWII USSR Submarine SHT-211 conditions last reviewed: 06:22 local time (UTC+2), Jun 14, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to WWII USSR Submarine Sht-211.

Hyperbaric Chamber

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.

Before diving, it's recommended to:

  • confirm nearest medical facilities
  • check emergency procedures with local dive operators
  • ensure dive insurance covers evacuation if required
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN Europe.

+39 0642115685
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Closest Listed Hyperbaric Chambers

Showing listed hyperbaric chamber facilities within 200 km of this dive site. Distances are approximate straight-line distances and may not reflect emergency travel time.

+

Hyperbaric Medical Centre OXYGENA

Varna, Bulgaria•Approx. 20 km straight-line
Facility Details
Operating Hours
8:00 - 15:00
ICU Capable
No
Chamber Type
Multi
Multi chamber facility
Facility / Hospital
Not listed
24/7 Listed
No

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET
Chamber data is sourced from self-reported EUBS/OXYNET listings and has not been independently verified by Dive Navigator. Always contact local emergency services, DAN, your dive operator, or the facility directly before travelling.
View all in Bulgaria

Marine Life at WWII USSR Submarine SHT-211

While the Sht-211 is primarily explored as a historical wreck, the site does host some Black Sea flora and typical marine inhabitants. Divers will notice various forms of plant life clinging to the submarine's structure, adding a touch of natural integration to the submerged history. Encounters with specific, large marine creatures are not a primary highlight; instead, the focus remains on observing the wreck itself and the general ecosystem that has developed around it. The dive provides an opportunity to see how marine life adapts to and colonizes artificial structures in this unique environment.

Dive Centers Near WWII USSR Submarine SHT-211

Padi 5 Star Dive Center Baracuda
20.1 km away

Padi 5 Star Dive Center Baracuda

4.9| 48 reviews
Today: Closed
SunClosed
Mon10:00 - 18:00
Tue10:00 - 18:00
Wed10:00 - 18:00
Thu10:00 - 18:00
Fri10:00 - 18:00
Sat10:00 - 15:00
Diving Center Shkorpilovtsi

Diving Center Shkorpilovtsi

4.7| 55 reviews
25 km
Harry'S Diving Center

Harry'S Diving Center

4.5| 65 reviews
20.5 km

Nearest Airports

Nearest airports to help plan travel to this dive area.

Varna AirportVAR
28 km
Burgas AirportBOJ
78 km
İstanbul AirportIST
210 km
💵Currency:BGN

Search Flights

Check available flights and routes on Expedia, using the nearby airports listed in this section.

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Frequently Asked Questions

What certification is required to dive the Sht-211?

You need to hold at least an Open Water Diver certification or a similar qualifying certificate from another training organization. Additionally, one prior recreational dive is usually required before visiting this wreck site.

What is the maximum depth of the Sht-211 wreck?

The WWII USSR Submarine Sht-211 wreck reaches a maximum depth of 24 m (79 ft). Its location is well within recreational diving limits, making it accessible to a wide range of certified divers.

Is the Sht-211 a good site for marine life viewing?

Primarily a historical wreck dive, the Sht-211 isn't typically known as a marine life showcase. While some Black Sea flora can be observed, the main attraction remains the submarine wreck and its historical significance.

How long does a typical dive trip to Sht-211 last?

A dive trip to the Sht-211 is generally a full-day excursion. Operators often pick up divers from hotels around 8:00 AM, departing from Nessebar, and return around 5:00 PM after two dives.

What are the typical water conditions like at the wreck site?

Visibility at the wreck usually ranges from 4.5 to 9 meters (15 to 30 ft). While surface currents may occur, heavy currents are not typically reported at deeper sections. Water temperatures can be quite cold at depth, even if surface layers are warmer.

Is the Sht-211 wreck intact?

Resting in two main sections, separated by approximately 150 m (492 ft), the Sht-211 wreck maintains a compact hull form. It has a low relief above the seabed, giving it an intact 'military wreck' feel despite being broken into parts.

Can divers penetrate the Sht-211 wreck?

Given its status as a historical military wreck with a compact hull form and low relief, penetration is not widely encouraged or described as a feature of the dive. Divers typically perform an exterior circuit of the wreck with close attention to orientation and silt management.

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