18m
    Beginner
    Dumaguete, Philippines
    San Juan Siquijor

    On the Rocks

    Best months: Jan–Mar

    Protected Area

    San Juan Siquijor

    Why dive here

    With 496+ marine species recorded in the area - including barracuda, blacktip reef sharks, blue-spotted stingrays, bull sharks and octopuses - On the Rocks offers some of Dumaguete's richest diving. Water ranges 28-30°C, warmest June, July, October.

    Best timeJan–Mar
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blacktip Reef Sharks, Blue-Spotted Stingrays, Bull Sharks and Octopuses · 496+ species recorded
    Water28-30°C · warmest June, July, October
    Charactermax 18m
    StandoutExceptional marine biodiversity

    On the Rocks is a straightforward shore entry dive in Dumaguete, good for shaking off the rust or for newer divers. The site bottoms out at 18m, largely a rocky slope with scattered corals, home to crabs, nudibranchs, and a few small reef fish. We find it’s a decent spot for practicing skills or just enjoying a relaxed afternoon dive, without strong currents to worry about.

    Typical On the Rocks Dive Profile

    10m20mSafety Stop0m18m max~50 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

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today05:3417:3211h 58m daylightGolden hour 17:05

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    Conditions

    Ocean conditions, forecast and tides for On the Rocks

    On the Rocks Ocean Conditions

    Monthly averages for On the Rocks, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (9.23, 123.47) (3km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29–31.3°C

    Air Temperature

    27°C

    81°F

    Wind Speed

    4.36 m/s

    8.5 knots

    Atmospheric Pressure

    1009.6 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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