Alonissos Marine Park, Greece

    HMS Triumph

    Best months: Jul–Sep

    Why dive here

    HMS Triumph is a wreck dive where divers can encounter dolphins and sea turtles. Water ranges 15-26°C, warmest July, August, September.

    Best timeJul–Sep
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeDolphins and Sea Turtles
    Water15-26°C · warmest July, August, September
    CharacterWreck dive

    Dropping onto the HMS Triumph, you're immediately struck by the sheer scale of this pre-dreadnought battleship. We’ve always been drawn to wrecks that tell a story, and the Triumph, sunk in 1917, whispers tales of a bygone era with every twisted plate and gaping porthole. It’s not a site for poking into tiny crevices, but rather for appreciating the grand structure that lies here, a veritable ghost ship in the blue. The decks are largely gone, dissolved by time and salt, but the immense gun turrets, each a silent sentinel, are our favourite feature. They are colossal, adorned with gorgonians and sponges that give them a strangely regal air. Look for the common brittlestars clinging to everything, their delicate arms waving in the gentle surge. Inside, where the hull remains largely intact, the light dims, creating an atmospheric dive that feels truly exploratory. We'd suggest getting here early in the morning, before any thermoclines set in, for the best visibility. This site is a truly standout dive in the Aegean, perfect for those who appreciate history as much as the marine life that now calls it home.

    Safety Notes

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

    Today06:2217:4311h 22m daylightGolden hour 17:07

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    Conditions

    Ocean conditions, forecast and tides for HMS Triumph

    HMS Triumph Ocean Conditions

    Monthly averages for HMS Triumph, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (38.09, 24.15) (15km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    23°C

    73°F · Range: 21–25.6°C

    Current Speed

    1.41 cm/s

    Direction: SW (225°)

    Chlorophyll-a

    0.13 mg/m³

    Clear water

    Salinity

    34.63 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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