Perth Sub Aqua Club - Scapa Flow, Orkney

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)

Nearby Dive Sites in Scapa Flow, Orkney

• 090 - 26m (wreck)
• AASE - 60m (wreck)
• ABERDEEN CITY - 5m (wreck)
• AC6 - 5m (wreck)
• ACHILLES - 32m (wreck)
• ACTIVE - 42m (wreck)
• Aith Baa (reef)
• ALABAMA - 12m (wreck)
• ALCORA (POSSIBLY) - 40m (wreck)
• ALMERIA - 5m (wreck)
• ANDALINA - 8m (wreck)
• ANDRIAS - 27m (wreck)
• ANVERS - 52m (wreck)
• AORANGI - 5m (wreck)
• ARCADIA - 30m (wreck)

Nearest Dive Centres to Perth Sub Aqua Club

• 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 Perth Sub Aqua Club

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