PRUDENTIA
Protected Area
Switha
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) - PRUDENTIA offers some of Scapa Flow, Orkney's richest wreck diving. Water ranges 8-14°C, warmest July, August, September.
There are a few wrecks in Scapa Flow that really capture that sombre, industrial feel, and Prudentia is right up there. This isn’t a pretty wreck in the typical sense, no colourful corals here, but it’s an absolute stunner if you appreciate history and structure. Dropping onto her decks at 23 metres, you’re met with a proper tanker, lying on her port side, well broken but still very much a ship. We love nosing around the engine room, which is often surprisingly accessible, and picturing the crew at work. It's the scale of the Prudentia that gets you; 95 metres of twisted metal, home now to anemones and dense shoals of coalfish that shimmer in the often murky green light. We’d suggest taking your time exploring the bow, where the anchor chain still drapes, and peering into the cargo holds. The visibility here can be a bit variable, so a good torch is essential to cut through the gloom and properly appreciate the details. It’s a dive for those who enjoy a bit of a penetration, or just want to soak in the atmosphere of a true historical casualty.
Typical PRUDENTIA Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Depth of 23m - Advanced Open Water certification recommended.
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 PRUDENTIA
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Conditions
Ocean conditions, forecast and tides for PRUDENTIA
PRUDENTIA Ocean Conditions
Monthly averages for PRUDENTIA, 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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