2m
    Scapa Flow, Orkney, United Kingdom
    Pentland Firth Islands

    PENNSYLVANIA

    Good diving all year

    Protected Area

    Pentland Firth Islands

    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) - PENNSYLVANIA 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 2m
    StandoutRich in charismatic marine life

    The *Pennsylvania*, a steamship scuttled in 1931, offers a different flavour of Scapa Flow wreck diving. Forget deep, dark leviathans here. This is a shallow, sun-drenched playground. We love it because it’s a living history lesson you can literally reach out and touch. The wreck sits in just two metres of water, perfect for extended bottom times and ideal for new drysuit divers or anyone wanting to really absorb the details. You’ll find the triple expansion engine and three boilers still largely intact, covered in kelp and thick with small fish. Shoals of saithe often swirl around the larger structures, and if you look closely, butterfish and blennies peer from every crack. On a sunny day, the light plays through the water, making the metal glow. It’s a photographer’s dream and a perfect site for honing those buoyancy skills without the pressure of depth. We’d suggest going at high slack water; the visibility really opens up then, and you can spend an hour just drifting over the machinery, imagining the ship in its prime.

    Typical PENNSYLVANIA Dive Profile

    Safety Stop0m2m 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.

    Today06:4017:2010h 40m daylightGolden hour 16:24

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    Conditions

    Ocean conditions, forecast and tides for PENNSYLVANIA

    PENNSYLVANIA Ocean Conditions

    Monthly averages for PENNSYLVANIA, 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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