B109
Protected Area
Hoy
Why dive here
With 140+ marine species recorded in the area - including blue whales, dolphins, dwarf minke whales, humpback whales and ocean sunfish (mola mola) - B109 offers some of Scapa Flow, Orkney's richest wreck diving. Water ranges 8-14°C, warmest July, August, September.
Dropping onto the B109 in Scapa Flow, you’re greeted by the skeletal remains of a WWI German destroyer. She sits upright, roughly 18 metres down, though time and salvage have left her quite broken up. What’s left is a fascinating jumble of twisted metal; we’ve often found interesting small swim-throughs where the deck plating has collapsed. Look closely and you'll spot plenty of wrasse darting amongst the girders, plus anemones and dead man’s fingers clinging to the darker recesses. It’s a compelling dive for those who appreciate the history and the sheer scale of these wrecks, offering a more intimate exploration than some of the larger battleships.
Typical B109 Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Cold water this month (avg 13°C). Drysuit or thick wetsuit (7mm+) recommended.
Always perform a 3-minute safety stop at 5m before surfacing.
Nearest Dive Centres to B109
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Conditions
Ocean conditions, forecast and tides for B109
B109 Ocean Conditions
Monthly averages for B109, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (58.64, -3.16) (8km away)
October Averages
Sea Temperature
13°C
55°F · Range: 11.4–13.8°C
Air Temperature
10°C
50°F
Wind Speed
9.26 m/s
18.0 knots
Atmospheric Pressure
1005.3 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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