33m
    Cornwall & Devon, United Kingdom
    Lyme Bay and Torbay

    GEFION

    Best months: Jul–Sep

    Protected Area

    Lyme Bay and Torbay

    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) - GEFION 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 33m
    StandoutExceptional marine biodiversity

    The *Gefion* is one of our favourite wreck dives in Cornwall, a genuine standout. This steamship met its end in 1917, now resting upright at 33 metres, her stern nicely intact. You’ll fin down, feeling the colder thermocline, then suddenly the dark shape emerges, huge and imposing. The bow section is a bit more broken up, but the midships, with its two big boilers and the triple-expansion engine, offers some fantastic penetration for suitably trained divers. We’ve seen some hefty conger eels here, tucked deep inside the machinery, their heads peering out. The structure itself is just covered in anemones and dead man's fingers, a riot of colour against the dim light, especially when a torch beam hits it just right. It’s a dive that rewards careful exploration, not just a quick swim-over. We’d suggest a slack water dive for the best experience, as the currents can pick up and make finning around the deeper sections quite challenging.

    Typical GEFION Dive Profile

    15m30mSafety Stop0m33m 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 (33m) - 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.

    Today06:2917:3211h 3m daylightGolden hour 16:47

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    Conditions

    Ocean conditions, forecast and tides for GEFION

    GEFION Ocean Conditions

    Monthly averages for GEFION, 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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