15m
    Cornwall & Devon, United Kingdom
    Monknash Coast

    CATO (POSSIBLY)

    Best months: Jul–Sep

    Protected Area

    Monknash Coast

    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) - CATO (POSSIBLY) 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 15m
    StandoutExceptional marine biodiversity

    The *Cato*, a steamship resting at 15 metres, is our pick for a rewarding wreck dive off the Cornwall and Devon coast. She’s not deep, which means more bottom time, and the historical context of a magnetic mine taking her in 1940 adds a layer of solemnity. You’ll often find decent visibility here, letting you trace the outline of her 70-metre hull as it emerges from the seabed. We love exploring the bow, which stands proud and is usually draped in a thick carpet of plumose anemones, their frilly heads swaying gently in the mild current. Keep an eye out for the resident pollock darting between the skeletal ribs of the superstructure, and if you’re lucky, a curious conger eel might peek out from a shadowy corner. This wreck is perfect for divers who appreciate history and enjoy the quiet exploration of a substantial but accessible maritime grave. It’s a dive that feels substantial without being overly challenging.

    Typical CATO (POSSIBLY) Dive Profile

    5m10m15mSafety Stop0m15m max~50 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.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:3217:3211h 1m daylightGolden hour 16:47

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    Conditions

    Ocean conditions, forecast and tides for CATO (POSSIBLY)

    CATO (POSSIBLY) Ocean Conditions

    Monthly averages for CATO (POSSIBLY), sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (50.44, -2.73) (3km away)

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    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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