HMSM GRAPH (P.715)(EX U.570)
Protected Area
Gruinart Flats, Islay
Why dive here
With 112+ marine species recorded in the area - including blue whales, dolphins, dwarf minke whales, humpback whales and ocean sunfish (mola mola) - HMSM GRAPH (P.715)(EX U.570) offers some of Scottish West Coast's richest wreck diving.
The HMSM Graph, formerly U-570, sits in remarkably shallow water on the Scottish West Coast, making her accessible to almost any diver. We love that she's a piece of history you can practically walk over, a captured German U-boat repurposed, then scuttled. Expect a gloomy, atmospheric dive, even on a bright day. The wreck itself is broken, but you can still make out the distinct submarine shape, sections of hull, and various scattered plates that speak to her violent end in 1944. Visibility here can be a bit of a lottery, typical for Scotland, but when it’s good, the detail on the wreck is surprising. Our favourite part is searching among the twisted metal for the resident critters; crab, lobster, and wrasse have all made homes in the shadows. It’s a dive for those who appreciate history and aren't afraid of a bit of a rummage. We'd suggest going at slack water to avoid any surge, which can really kick up the silt.
Typical HMSM GRAPH (P.715)(EX U.570) 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.
Reviews for HMSM GRAPH (P.715)(EX U.570)
Conditions
Ocean conditions, forecast and tides for HMSM GRAPH (P.715)(EX U.570)
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