HMS Ormonde (possibly) - Scapa Flow, Orkney

Okay, let's talk about the 'U-53 (Possibly)' in Scapa Flow. We put 'possibly' in the name because, honestly, the identification is a bit of a moving target. What we do know for sure is that this is a chunky, fascinating wreck with a strong character, sitting upright in the silty embrace of Scapa Flow. It’s got that signature Scapa Flow mood – a little dark, a little mysterious, and absolutely riddled with history. Dropping down, the U-boat's conning tower stands proud, usually the first thing that resolves out of the green. We love the way the light filters through the water here, giving everything a muted, almost reverent feel. Look closely at the hull plates; they’re often plastered with plumose anemones, and you’ll spot lumpsuckers tucked into crevices, masters of camouflage. We’ve seen good-sized Atlantic cod cruising the deck, and sometimes, if you’re lucky and patient, a curled octopus will peek out from a shadowed nook. It’s a proper expedition, suitable for experienced wreck divers who appreciate the story as much as the structure. Our pick for the best dive is always around slack water; it makes navigating the interior a much more pleasant experience. Just be mindful of the silt, a gentle fin stroke goes a long way here.

Location: Scapa Flow, Orkney, United Kingdom, Mediterranean & Europe
Coordinates: 57.393105, -1.693049
Type: wreck

Marine Protected Area: Bullers of Buchan Coast

Best Time to Dive in Scapa Flow, Orkney

The warmest water temperatures in Scapa Flow, Orkney occur in January, averaging 8.4°C. The coolest conditions are in December at 8.4°C.

Monthly Water Temperatures

January: 8.4°C (air: 5.5°C)
February: 8.4°C (air: 5.3°C)
March: 8.4°C (air: 5.9°C)
April: 8.4°C (air: 6.8°C)
May: 8.4°C (air: 9.7°C)
June: 8.4°C (air: 12.4°C)
July: 8.4°C (air: 13.2°C)
August: 8.4°C (air: 13.7°C)
September: 8.4°C (air: 12.7°C)
October: 8.4°C (air: 10.2°C)
November: 8.4°C (air: 8.0°C)
December: 8.4°C (air: 5.8°C)

Nearest Dive Centres to HMS Ormonde (possibly)

The Diving Cellar

Marine Life in Scapa Flow, Orkney

Home to 155 recorded species including 63 reef fish, 17 whales & dolphins, 12 sharks & rays, 11 crabs & lobsters, 11 other, 10 seagrass & algae.

Notable Species

Protestant (Clupea harengus) - Reef Fish
Haddock (Melanogrammus aeglefinus) - Reef Fish
Cowfish (Tursiops truncatus) - Whales & Dolphins
whiting (Merlangius merlangus) - Reef Fish
dab (Limanda limanda) - Reef Fish
harbour porpoise (Phocoena phocoena) - Whales & Dolphins
grey gurnard (Eutrigla gurnardus) - Reef Fish
long rough dab (Hippoglossoides platessoides) - Reef Fish
dogfish (Scyliorhinus canicula) - Sharks & Rays
Atlantic cod (Gadus morhua) - Reef Fish
poor cod (Trisopterus minutus) - Reef Fish
sprat (Sprattus sprattus) - Reef Fish
Common minke whale (Balaenoptera acutorostrata) - Whales & Dolphins
Split (Scomber scombrus) - Reef Fish
Norway Lobster (Nephrops norvegicus) - Crabs & Lobsters
Common dragonet (Callionymus lyra) - Reef Fish
lesser argentine (Argentina sphyraena) - Reef Fish
white-beaked dolphin (Lagenorhynchus albirostris) - Whales & Dolphins
Common sea star (Asterias rubens) - Starfish
Soldier (Chelidonichthys cuculus) - Reef Fish

Recommended Packing List for HMS Ormonde (possibly)

Based on average water temperature of 8.4°C.

Drysuit - water at 8°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