43m
    Cornwall & Devon, United Kingdom
    South of Portland

    HMS KINGSTON CAIRNGORM (POSSIBLY)

    Best months: Jul–Sep

    Protected Area

    South of Portland

    Why dive here

    With 176+ marine species recorded in the area - including blue sharks, dolphins, dwarf minke whales, humpback whales and ocean sunfish (mola mola) - HMS KINGSTON CAIRNGORM (POSSIBLY) offers some of Cornwall & Devon's richest wreck diving. Water ranges 10-18°C, warmest July, August, September.

    Best timeJul–Sep
    WetsuitA 5mm wetsuit
    Marine lifeBlue Sharks, Dolphins, Dwarf Minke Whales, Humpback Whales and Ocean Sunfish (Mola Mola) · 176+ species recorded
    Water10-18°C · warmest July, August, September
    CharacterWreck dive · max 43m
    StandoutExceptional marine biodiversity

    We’re being a bit cheeky here with the "possibly" in the name, but trust us, whatever this wreck is, it’s a cracking dive. At 43 metres, the HMS Kingston Cairngorm (or her doppelgänger) is a proper technical dive, sitting upright and largely intact. The bow is particularly impressive, rising from the seabed like a ghost ship, often draped in fishing nets, which adds to the drama (and the challenge – stay aware). This trawler, likely mined in 1940, holds a real sense of history. We’ve spent hours tracing the deck, peering into what would have been the holds, and trying to imagine the crew's last moments. The triple-expansion engine is a magnificent sight, heavily encrusted now, but you can still make out its powerful form. Our favourite part has to be the gun turret; it’s still there, pointing outwards, a silent sentinel against the grey North Atlantic. Look for conger eels here, they love the dark recesses. Visibility can be hit-or-miss, as is typical for Cornwall, but when it’s good, the light filtering down through the water column onto the wreck is simply ethereal. We’ve seen schools of pollack shimmering around the superstructure, and the anemones that have colonised every surface are surprisingly vibrant. It’s a dive that demands respect, perfect for experienced wreck divers who appreciate a genuinely atmospheric piece of maritime history. Dive it on slack water, always.

    Typical HMS KINGSTON CAIRNGORM (POSSIBLY) Dive Profile

    15m30m45mSafety Stop0m43m max~15 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

    Maximum depth 43m exceeds recreational limits (40m). Technical diving certification and equipment required.

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:2617:2911h 3m daylightGolden hour 16:45

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    Conditions

    Ocean conditions, forecast and tides for HMS KINGSTON CAIRNGORM (POSSIBLY)

    HMS KINGSTON CAIRNGORM (POSSIBLY) Ocean Conditions

    Monthly averages for HMS KINGSTON CAIRNGORM (POSSIBLY), sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (50.44, -2.73) (3km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    17°C

    62°F · Range: 15.1–17.5°C

    Air Temperature

    13°C

    56°F

    Wind Speed

    8.14 m/s

    15.8 knots

    Atmospheric Pressure

    1011 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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