37m
    Cornwall & Devon, United Kingdom

    MARIA, JULIA & MATHILDA JEAN

    Best months: Jul–Sep

    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) - MARIA, JULIA & MATHILDA JEAN 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

    Diving the trio of Belgian fishing trawlers, the Maria, Julia, and Mathilda Jean, is a proper journey back in time. These three went down together in 1918, sunk by a submarine, and they’ve settled on the seabed at 37 metres. What we love about this site is the way they’ve come to rest – close enough that you get a real sense of the event. You’re not going to find grand intact structures here; these are classic early 20th-century wooden fishing vessels, now broken but still recognisable as wrecks. What remains are frames, sections of hull, and the tell-tale scattering of pottery and bottles if you look closely. It’s a site for history buffs and those who appreciate the subtle beauty of a wreck reclaimed by the sea. We’ve found everything from hefty conger eels coiled in the deeper sections to colourful jewel anemones coating the exposed timbers. Visibility can be typical English Channel, around 5-10 metres, so a good torch is essential for peering into the darker spots. Expect a decent current sometimes, so pick your slack water carefully. It’s a site that rewards patient exploration rather than a quick swim-through.

    Typical MARIA, JULIA & MATHILDA JEAN 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.

    Today06:1717:2111h 4m daylightGolden hour 16:37

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    Conditions

    Ocean conditions, forecast and tides for MARIA, JULIA & MATHILDA JEAN

    MARIA, JULIA & MATHILDA JEAN Ocean Conditions

    Monthly averages for MARIA, JULIA & MATHILDA JEAN, 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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