Rabaul & New Britain, Papua New Guinea

    Tomatikolop Reef

    Good diving all year

    Why dive here

    With 203+ marine species recorded in the area - including barracuda, giant moray eels, lionfish, nautiluses and pufferfish - Tomatikolop Reef offers some of Rabaul & New Britain's richest reef diving. Water ranges 30-31°C, warmest January, February, May.

    Best timeYear-round
    WetsuitNo wetsuit needed, or a rash guard
    Marine lifeBarracuda, Giant Moray Eels, Lionfish, Nautiluses and Pufferfish · 203+ species recorded
    Water30-31°C · warmest January, February, May
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Tomatikolop Reef, off New Britain, is one of those sites we always circle back to. What really grabs us here isn't the dramatic drop-offs or big pelagics – though Shortfin mako do cruise through – it's the sheer density of the smaller stuff. We love settling in on a coral bommie, watching the currents bring in schools of Short Mackerel, their scales flashing silver. The coral itself is surprisingly robust; brain corals and staghorn formations create a maze of nooks. We’ve found Carnelian Cowries here, tucked away in crevices, and spent ages just observing the subtle movements of Black-lined Blennies popping from their holes. Keep an eye out for the nautilus; they’re shy, but we’ve seen them drifting lazily in the deeper sections. If you can time it right, a morning dive, just after dawn, often means less current and better visibility before the afternoon breeze picks up. This spot is perfect for photographers, or anyone who enjoys slow, deliberate dives, finding beauty in the minute details rather than grand sweeping vistas.

    Today05:3417:4412h 11m daylightGolden hour 17:17

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    Conditions

    Ocean conditions, forecast and tides for Tomatikolop Reef

    Tomatikolop Reef Ocean Conditions

    Monthly averages for Tomatikolop Reef, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-2.57, 150.85) (63km away)

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    October Averages

    Sea Temperature

    30°C

    87°F · Range: 29–31.5°C

    Air Temperature

    27°C

    81°F

    Wind Speed

    4.08 m/s

    7.9 knots

    Atmospheric Pressure

    1009.6 hPa

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

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