Scapa Flow, Orkney, United Kingdom
    Wester Ross

    Wreck of William H Welch (Bow Portion)

    Good diving all year

    Protected Area

    Wester Ross

    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) - Wreck of William H Welch (Bow Portion) 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
    StandoutRich in charismatic marine life

    Diving the HMHS Rewa is a proper adventure, not for the faint of heart, but incredibly rewarding if you’ve got the experience. We're talking about a massive ocean liner, lying on her side, broken but still retaining that ghost-ship grandeur. Dropping down, you often hit a green gloom, but then the ship starts to materialise, dark and imposing. Inside, the sheer scale of the corridors and cabins is humbling; you can almost hear the echoes of its past. Our favourite parts are the bow and stern sections, where the ship’s structure is most intact, creating fantastic swim-throughs and enormous overhangs. The marine life here isn’t about colourful corals, it’s about the drama of the deep. Great pink sea fans cling to the deeper sections, fanning out into the current. Look for those giant anglerfish, masters of camouflage, tucked into the debris, and we've often spotted big nursehounds cruising the deck plates. Dogfish and smooth hounds are practically residents, weaving through the metalwork. It's a dive that demands respect for its history and its depth, but for serious wreck enthusiasts, the Rewa is an absolute classic. We suggest picking your day carefully; slack water is key, and anything less than a gentle swell on the surface will make the dive less enjoyable.

    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.

    Today06:4917:3210h 43m daylightGolden hour 16:38

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    Conditions

    Ocean conditions, forecast and tides for Wreck of William H Welch (Bow Portion)

    Wreck of William H Welch (Bow Portion) Ocean Conditions

    Monthly averages for Wreck of William H Welch (Bow Portion), sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (58.64, -3.16) (8km away)

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    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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