ASTRAEA - North Sea Coast

The Astraea is a wreck we always recommend for divers looking to explore a bit of history without the usual North Sea chill. She's shallow, sitting at just ten metres, which makes for long bottom times and great natural light penetration. We love the way the light filters down through the water, illuminating the various nooks and crannies where the local fish like to hide. What makes the Astraea special for us is the story she tells. You're not just looking at a pile of metal; you're seeing the remains of a vessel that met a dramatic end, now completely colonised by the sea. Expect to spend your dive navigating around sections of the hull, spotting flatfish camouflaged against the sand, and exploring the holds where schools of small cod often congregate. The wreck has become an artificial reef, attracting crabs, starfish, and a surprising number of sea slugs. It’s an ideal spot for macro photographers or anyone who appreciates a more intimate wreck dive. We'd suggest aiming for a calm day; visibility can be a bit variable, but on a good day, it's surprisingly clear for the North Sea. Keep an eye on the current too; it’s usually gentle here, but it can pick up.

Location
North Sea Coast, Denmark, Mediterranean & Europe
Coordinates
55.033930, 10.221084
Type
wreck
Maximum Depth
10m

Wreck History - ASTRAEA

Vessel Type
unknown
Cause
unknown

The identity and history of the wreck known as Astraea, located off Denmark's North Sea coast, remain a mystery. Resting in just 10 meters of water, it is highly accessible to divers, but its shallow depth also exposes it to the full force of the often-turbulent North Sea. This constant wave action has likely broken the vessel apart over the years. The official classification as a 'Dangerous Wreck' is a stark reminder for divers to be cautious of strong currents, shifting wreckage, and potential entanglement hazards. For local divers and maritime historians, the Astraea presents a puzzle-a scattered collection of remains on the seabed waiting to tell its forgotten story.

Marine Protected Area: Maden on Helnæs and the sea west of

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 ASTRAEA

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 ASTRAEA

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