2m
    Grande Comore, Comoros
    Parc National Coelacanthe

    DEMOSTHENES

    Best months: Jan–Dec

    Protected Area

    Parc National Coelacanthe

    Why dive here

    With 364+ marine species recorded in the area - including barracuda, dugongs, dwarf minke whales, giant moray eels and humpback whales - DEMOSTHENES offers some of Grande Comore's richest wreck diving. Water sits around 30°C.

    Marine lifeBarracuda, Dugongs, Dwarf Minke Whales, Giant Moray Eels and Humpback Whales · 364+ species recorded
    Water30°C · warmest January, February, March
    CharacterWreck dive · max 2m
    StandoutExceptional marine biodiversity

    Demosthenes isn't your average wreck dive; it’s more of a history lesson you can swim through. This isn’t deep, just a couple of metres, which means the natural light really brings out the textures of the old steamship. You can easily spend an hour just finning around the superstructure, spotting where the mast once stood or tracing the lines of the deck. We love that you can see almost the entire 100-metre length of her, scattered across the shallows. What really makes it special for us is how the reef has taken over. Schools of yellowfin goatfish dart between twisted metal plates, and parrotfish graze on the algae growing across the hull. It’s an ideal spot for macro photographers, with nudibranchs and flatworms tucked into every crevice. We’d suggest going at high tide for the best visibility, but honestly, it’s a site that rewards repeat visits. Demosthenes is brilliant for snorkelers and divers who appreciate a slow, investigative dive, rather than a deep, fast drift.

    Typical DEMOSTHENES Dive Profile

    Safety Stop0m2m max~60 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.

    Today06:1618:0311h 48m daylightGolden hour 17:35

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    Conditions

    Ocean conditions, forecast and tides for DEMOSTHENES

    DEMOSTHENES Ocean Conditions

    Monthly averages for DEMOSTHENES, sourced from NOAA buoy data - nearest station: Open-Meteo grid (-11.84, 43.38) (0km away)

    August Averages

    Sea Temperature

    29.58°C

    85°F

    Air Temperature

    19.49°C

    67°F

    Wind Speed

    3 m/s

    5.8 knots

    Atmospheric Pressure

    1018.4 hPa

    Based on 5 years of monitoring data · Data sources: NOAA NDBC

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