55m
    Cornwall & Devon, United Kingdom
    East of Start Point

    HMS BITTERN

    Best months: Jul–Sep

    Protected Area

    East of Start Point

    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) - HMS BITTERN 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 55m
    StandoutExceptional marine biodiversity

    The HMS Bittern is a proper challenge, a deep wreck for technical divers who appreciate a bit of history along with their deco stops. Lying at 55 metres, she’s a destroyer from 1897, sunk in 1918 after a collision. We think she's a fantastic example of a Victorian-era warship, beautifully preserved by the cold, dark English Channel. Dropping down, the bow is often the first thing to materialise from the gloom, still quite proud, with the torpedo tubes a particular highlight further along the deck. You can really get a sense of her original form, the structure solid despite over a century on the seabed. We’ve found the stern section to be especially interesting, often draped in dead men’s fingers, which glow softly under a dive light. Look out for conger eels here, they love the darker recesses. Visibility can be hit or miss, typical of the Channel, but on a good day, when a little light penetrates, the sheer scale of the wreck is impressive. This is one for experienced divers who are comfortable with depth and overhead environments, offering a tangible connection to naval history.

    Typical HMS BITTERN Dive Profile

    15m30m45m60mSafety Stop0m55m max~15 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

    Maximum depth 55m exceeds recreational limits (40m). Technical diving certification and equipment required.

    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.

    Today06:2817:3111h 3m daylightGolden hour 16:47

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    Conditions

    Ocean conditions, forecast and tides for HMS BITTERN

    HMS BITTERN Ocean Conditions

    Monthly averages for HMS BITTERN, 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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