25m
    Cape Town & Western Cape, South Africa
    Duikerklip Provincial Nature Reserve

    KATSU MARU NO 25

    Best months: Mar

    Protected Area

    Duikerklip Provincial Nature Reserve

    Why dive here

    With 269+ marine species recorded in the area - including blue sharks, blue whales, dolphins, dwarf minke whales and great white sharks - KATSU MARU NO 25 offers some of Cape Town & Western Cape's richest wreck diving. Water ranges 14-16°C, warmest February, March, April.

    Best timeMar
    WetsuitA 7mm wetsuit with a hood
    Marine lifeBlue Sharks, Blue Whales, Dolphins, Dwarf Minke Whales and Great White Sharks · 269+ species recorded
    Water14-16°C · warmest February, March, April
    CharacterWreck dive · max 25m
    StandoutExceptional marine biodiversity

    The Katsu Maru No 25 is a real treat, especially if you’re into the historical side of wreck diving. We love that it's a wreck with a story; a fishing vessel that capsized after a collision in 1978, then was refloated, only to sink again in Hout Bay. That makes for some interesting exploration down at 25 metres. Dropping down onto her, you’ll find her mostly intact, lying on her port side. The wheelhouse is still recognisable, a ghost of its working days, and we always find ourselves drawn to peer through the windows, imagining the frantic scene back in ‘78. Visibility can be a bit variable here, but on a good day, the light penetrates enough to illuminate the thick kelp swaying around her superstructure, creating these dramatic shadows. We've seen some impressive schools of juvenile hottentot hanging around the deeper sections of the wreck, and crayfish are often tucked into any available crevice. It’s a dive that rewards slow exploration, perfect for those who like to combine a bit of history with their marine life spotting.

    Typical KATSU MARU NO 25 Dive Profile

    10m20mSafety Stop0m25m max~30 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

    Depth of 25m - Advanced Open Water certification recommended.

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Cold water this month (avg 15°C). Drysuit or thick wetsuit (7mm+) recommended.

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

    Today05:1117:5712h 46m daylightGolden hour 17:24

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    Conditions

    Ocean conditions, forecast and tides for KATSU MARU NO 25

    KATSU MARU NO 25 Ocean Conditions

    Monthly averages for KATSU MARU NO 25, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-33.92, 18.46) (8km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    15°C

    59°F · Range: 12.4–17.2°C

    Air Temperature

    17°C

    62°F

    Wind Speed

    7.33 m/s

    14.2 knots

    Atmospheric Pressure

    1018.1 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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