37m
    Cornwall & Devon, United Kingdom
    Offshore Overfalls

    ALGIERS

    Best months: Jul–Sep

    Protected Area

    Offshore Overfalls

    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) - ALGIERS 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 37m
    StandoutExceptional marine biodiversity

    The **Algiers** is our kind of wreck. Not just some scattered debris, but a proper ship, laid out on the seabed like she’s still sailing, albeit downwards. We love how her two huge boilers are still standing proud, a real focal point around 30 metres, often shrouded in a hazy cloud of small fish that pulse and shift with the current. This 91-metre steamship, sunk in 1917, is a grand dame of the Cornish deep, perfect for experienced wreck divers comfortable at depth. Dropping down, the first thing you notice is the sheer scale. Her bow points east, the stern to the west, and you can spend a whole dive just traversing her length. Inside, the triple-expansion engine is still identifiable, a skeletal reminder of the power that once drove her. It's a dark, silty dive, so good buoyancy and a strong torch are essential. Keep an eye out for conger eels tucked into the darker recesses, and plenty of pollack circling the higher points. The occasional jewel anemone adds a splash of unexpected colour to the otherwise muted palette of rust and green. It's a challenging dive, but the sense of history here is palpable, a truly rewarding experience for those who make the journey.

    Typical ALGIERS Dive Profile

    15m30mSafety Stop0m37m max~20 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

    Deep dive (37m) - monitor air consumption closely. Advanced certification recommended.

    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.

    Today06:1917:2111h 2m daylightGolden hour 16:37

    ALGIERS Wreck History

    Year Sunk

    1917

    Vessel Type

    cargo ship

    Cause

    torpedo

    Tonnage

    2,630 GRT

    Launched in 1882 from the Wigham Richardson & Co. shipyard in Newcastle-upon-Tyne, the vessel we know as the Algiers lived a varied life under several names, including the Castle Eden and the Lys. By 1917, she was sailing under the ownership of the Franco-British SS Co Ltd, a testament to her 35 years of durable service as a cargo-carrying steamship.

    Like so many of her contemporaries, her career was ended by the First World War. On February 26th, 1917, while in the waters off the Cornish coast, she was attacked and torpedoed by the German submarine UC-65. The explosion crippled the ship, and she sank, joining the growing underwater graveyard of merchant vessels in the English Channel.

    The wreck of the Algiers now lies at a depth of 37 metres, making it an excellent site for advanced recreational divers. The vessel is well broken up but key features, such as her two large boilers and the remains of her engine, are still clearly identifiable. The wreckage provides a complex and interesting habitat for marine life, with schools of pollack and wrasse often seen patrolling the structure, while conger eels and crabs hide amongst the fallen plates.

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    Conditions

    Ocean conditions, forecast and tides for ALGIERS

    ALGIERS Ocean Conditions

    Monthly averages for ALGIERS, 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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