Apo Reef, Philippines

    Olympia

    Best months: Oct–Feb

    Why dive here

    With 176+ marine species recorded in the area - including giant moray eels, sea turtles, sperm whales, lionfish and pufferfish - Olympia offers some of Apo Reef's richest wreck diving. Water ranges 28-30°C, warmest May, June, July.

    Best timeOct–Feb
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeGiant Moray Eels, Sea Turtles, Sperm Whales, Lionfish and Pufferfish · 176+ species recorded
    Water28-30°C · warmest May, June, July
    CharacterWreck dive
    StandoutExceptional marine biodiversity

    Olympia is less a dive site and more a time capsule, a sunken army supply ship from World War II. We love dropping down onto her, seeing that silhouette emerge from the blue at around 22 metres. It’s a proper wreck dive, with plenty of entry points to explore the interior – just be mindful of your buoyancy and those tight spaces. The ship's bow is our favourite, where you often find schools of buffalo bream hanging out, seemingly guarding the old structure. The stern, deeper at 30 metres, is where you really see the coral growth taking hold, completely encrusting the metal. That's where we tend to spot the bigger pufferfish, sometimes a golden-girdled coralfish peeking from a porthole. Visibility here can vary, but generally, it's clear enough to appreciate the sheer scale of the wreck. Dive it in the morning if you can; the light filtering through the decks is something else. It's a dive for those who enjoy a bit of history with their marine life, a perfect blend of exploration and observation.

    Safety Notes

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

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    Conditions

    Ocean conditions, forecast and tides for Olympia

    Olympia Ocean Conditions

    Monthly averages for Olympia, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (12.33, 121.06) (26km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 28.1–31.3°C

    Current Speed

    3.16 cm/s

    Direction: E (108.4°)

    Chlorophyll-a

    0.049 mg/m³

    Very clear (oligotrophic)

    Salinity

    32.63 PSU

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

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