Siargao, Philippines
    Cahayagan Fish Sanctuary

    Aquarium

    Best months: Jan–Dec

    Protected Area

    Cahayagan Fish Sanctuary

    Why dive here

    With 82+ marine species recorded in the area - including manta rays, mobula rays (devil rays), whale sharks and pufferfish - Aquarium offers some of Siargao's richest reef diving. Water ranges 28-30°C, warmest August, September, November.

    Marine lifeManta Rays, Mobula Rays (Devil Rays), Whale Sharks and Pufferfish · 82+ species recorded
    Water28-30°C · warmest August, September, November
    CharacterReef dive
    StandoutRich in charismatic marine life

    Aquarium in Siargao is a decent drift dive, often with a gentle current pushing you along a sloping coral reef. You'll likely spot sweetlips, snapper, and the occasional turtle gliding past. It's a relaxed dive, good for newer divers getting comfortable with currents or anyone looking for an easy second tank.

    Today05:3317:5412h 21m daylightGolden hour 17:26

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    Conditions

    Ocean conditions, forecast and tides for Aquarium

    Aquarium Ocean Conditions

    Monthly averages for Aquarium, sourced from Copernicus Marine satellite data

    August Averages

    Sea Temperature

    30.05°C

    86°F

    Current Speed

    2 cm/s

    Direction: E (90°)

    Chlorophyll-a

    0.41 mg/m³

    Moderate productivity

    Salinity

    32.75 PSU

    Data sources: Copernicus Marine Service (EU)

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