ALLIANCE - North Sea Coast

The ALLIANCE, just off the North Sea Coast, is a genuinely engaging dive for anyone who enjoys a bit of history with their immersion. It’s a shallow wreck, sitting at just 10 metres, making it accessible for a longer bottom time, which we always appreciate. We find the character of this wreck really comes alive when you consider its history as a dangerous obstacle to navigation. Now, it’s a skeleton, broken but still substantial, and what was once a threat is now a vibrant home. You’ll spend your time here exploring the ribs of the hull, the twisted metal, and the scattered debris. We love how the light filters through the North Sea water, giving the entire scene a slightly muted, atmospheric feel. What truly brings the ALLIANCE to life, though, is the sheer amount of local marine life that has colonised it. You’ll find schools of cod sheltering in the crevices, flatfish camouflaged on the seabed nearby, and plenty of crabs scuttling over the rusting plates. It’s a site that really rewards a slow, deliberate exploration, perfect for photographers or anyone who likes to soak in the atmosphere of a historical wreck. Our favourite time to visit is on a calm day; the visibility can be excellent then, really opening up the wreck.

Location
North Sea Coast, Denmark, Mediterranean & Europe
Coordinates
55.470554, 8.412500
Type
wreck
Maximum Depth
10m

Wreck History - ALLIANCE

Vessel Type
unknown
Cause
unknown

The history of the wreck known as the "Alliance" is shrouded in mystery. Lying in just 10 meters of water off the North Sea coast of Denmark, her origins, type, and the story of her sinking have been lost to time. This lack of information only adds to the allure of this shallow dive site. For divers, the Alliance offers an accessible yet intriguing exploration. Its designation as a "Dangerous Wreck" suggests the presence of sharp metal, collapsed sections, or entanglement hazards like old fishing nets, demanding careful buoyancy and awareness. Its shallow depth makes it an excellent site for novice wreck divers looking to gain experience, or a perfect second dive of the day, allowing for ample bottom time to search for clues about its forgotten past.

Marine Protected Area: Vadehavet

Best Time to Dive in North Sea Coast

The warmest water temperatures in North Sea Coast occur in January, averaging 4.6°C. The coolest conditions are in December at 4.6°C.

Monthly Water Temperatures

  • January: 4.6°C (air: 3.3°C)
  • February: 4.6°C (air: 3.6°C)
  • March: 4.6°C (air: 4.1°C)
  • April: 4.6°C (air: 6.7°C)
  • May: 4.6°C (air: 11.2°C)
  • June: 4.6°C (air: 15.4°C)
  • July: 4.6°C (air: 16.2°C)
  • August: 4.6°C (air: 16.7°C)
  • September: 4.6°C (air: 14.7°C)
  • October: 4.6°C (air: 10.8°C)
  • November: 4.6°C (air: 6.9°C)
  • December: 4.6°C (air: 3.3°C)

Nearby Dive Sites in North Sea Coast

Nearest Dive Centres to ALLIANCE

Marine Life in North Sea Coast

Home to 105 recorded species including 55 reef fish, 9 crabs & lobsters, 8 other, 7 clams & mussels, 6 sea snails & nudibranchs, 5 seagrass & algae.

Notable Species

Recommended Packing List for ALLIANCE

Based on average water temperature of 4.6°C.

  • Drysuit - water at 5°C demands a drysuit with thermal undergarments
  • Hood & Gloves (7mm+) - critical to prevent heat loss
  • Mask - essential for every dive
  • Fins
  • BCD - buoyancy compensator
  • Regulator - your most safety-critical piece of gear
  • Dive Computer - tracks depth, time, and NDL
  • Surface Marker Buoy (SMB) - essential for boat pickups
  • Dive Torch - useful for crevices and colour at depth
  • Underwater Camera - capture your diving memories