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

    HMS MANOR

    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 MANOR 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

    We’ve spent a fair few days bobbing around off the Lizard, and the HMS Manor, a deep trawler wreck, is one of our favourite dives when conditions align. Dropping to 55m, this isn't one for the casual diver. The Manor, originally a 1913 trawler, was converted for anti-submarine duties in both World Wars, finally succumbing to a mine in 1942. You can still see that history etched into her; we've found the bow gun still surprisingly intact on a few visits, though the stern is more broken up. The real draw here, beyond the history, is the way the wreck has become a sanctuary. Ling often cruise the darker sections inside the hull, and conger eels are everywhere, peeking from every hole and crevice. Look out for the nudibranchs too; their colours pop against the rusty steel. We’d suggest hitting this on a slack tide, with minimal swell, to really appreciate the structure and avoid getting tossed around. The sheer depth means careful gas planning is essential, but for experienced technical divers, the HMS Manor is a proper piece of maritime history that delivers a genuinely atmospheric dive.

    Typical HMS MANOR 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 MANOR

    HMS MANOR Ocean Conditions

    Monthly averages for HMS MANOR, 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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