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

    Duiker Island

    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 - Duiker Island offers some of Cape Town & Western Cape's richest reef 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
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Duiker Island, or as everyone calls it, Seal Island, is exactly what it sounds like – a chaotic, joyful tumble with hundreds of Cape fur seals. Forget quiet observation; this is an immersion. The water here feels electric, buzzing with the seals darting past, sometimes nudging your fins, their whiskers brushing your mask. We love how interactive it is, a proper sensory overload with the sound of their barks carrying even underwater, muffled but still there. The max depth is only 9 metres, so it’s a brilliant spot for newer divers, but honestly, even the most jaded among us get a kick out of it. The granite boulders are coated in thick kelp, and while the visibility averages around 6 metres, that just adds to the wild, slightly disorienting feel as seals appear and disappear from the gloom. Look out for pyjama sharks cruising the edges of the kelp, and the occasional shy cowfish peeking out from behind a rock. We’d suggest going on a calm day; even a slight swell can make for a bumpy ride in, but it’s always worth the jostle for the sheer joy of diving with these guys. Duiker is a truly unique experience, a playful chaos that stays with you long after you’ve toweled off.

    Safety Notes

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

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

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    Conditions

    Ocean conditions, forecast and tides for Duiker Island

    Duiker Island Ocean Conditions

    Monthly averages for Duiker Island, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-33.92, 18.46) (8km away)

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    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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