5m
    Scapa Flow, Orkney, United Kingdom
    Waulkmill

    MARTIS

    Good diving all year

    Protected Area

    Waulkmill

    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) - MARTIS offers some of Scapa Flow, Orkney's richest wreck diving. Water ranges 8-14°C, warmest July, August, September.

    Best timeYear-round
    WetsuitA drysuit
    Marine lifeBlue Whales, Dolphins, Dwarf Minke Whales, Humpback Whales and Ocean Sunfish (Mola Mola) · 140+ species recorded
    Water8-14°C · warmest July, August, September
    CharacterWreck dive · max 5m
    StandoutRich in charismatic marine life

    Martis isn't your deep-water behemoth, and that's precisely why we love her. This is a shallow, sprawling blockship, sitting in just 5 metres of water, perfect for extended dives and photographers. She’s a steel single-screw steamer, sunk in 1940, and now a fantastic wreck for exploring Scapa Flow without the decompression limits. We often find ourselves lingering here, tracing the hull plates, watching the light ripple through the kelp. The structure, while broken, still has plenty of nooks and crannies. You can poke around the remains of the superstructure, where crabs scuttle and small fish dart in and out of the shadows. The shallow depth means ambient light is plentiful, illuminating the rich colours of the anemones and soft corals that have colonised the metal. It's a gentle dive, ideal for those who want to really absorb the atmosphere of a Scapa Flow wreck, maybe even get some macro shots, without the intensity of the deeper battleships. Our tip? Come on a calm, sunny day; the visibility can be excellent, and the light play is mesmerising.

    Typical MARTIS Dive Profile

    5mSafety Stop0m5m max~60 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

    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.

    Today06:3917:1910h 40m daylightGolden hour 16:23

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    Conditions

    Ocean conditions, forecast and tides for MARTIS

    MARTIS Ocean Conditions

    Monthly averages for MARTIS, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (58.64, -3.16) (8km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    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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