15m
    Cornwall & Devon, United Kingdom
    Flat Holm

    SEVERN TRANSPORT

    Best months: Jul–Sep

    Protected Area

    Flat Holm

    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) - SEVERN TRANSPORT 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 Severn Transport, a steamship that met its end in 1941 after hitting a mine, now rests at a very manageable 15 meters. It’s a good spot for a relaxed wreck dive. What's left of her structure forms a home for plenty of local critters – think plump crabs tucked into crevices and small schools of wrasse darting through the fractured hull plates. We find the relatively shallow depth means you get good bottom time, perfect for really poking around the scattered debris and getting a feel for the ship’s past. Visibility can be typical for the area, so pick a calm day if you can.

    Typical SEVERN TRANSPORT 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.

    Today06:3017:3011h 0m daylightGolden hour 16:45

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    Conditions

    Ocean conditions, forecast and tides for SEVERN TRANSPORT

    SEVERN TRANSPORT Ocean Conditions

    Monthly averages for SEVERN TRANSPORT, 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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