Great Barrier Reef, Australia

    Tydeman Reef

    Best months: Feb–Mar

    Why dive here

    With 154+ marine species recorded in the area - including hammerhead sharks, sea turtles, tiger sharks and napoleon wrasse - Tydeman Reef offers some of Great Barrier Reef's richest reef diving. Water ranges 24-30°C, warmest January, February, March.

    Best timeFeb–Mar
    WetsuitNo wetsuit needed, or a rash guard
    Marine lifeHammerhead Sharks, Sea Turtles, Tiger Sharks and Napoleon Wrasse · 154+ species recorded
    Water24-30°C · warmest January, February, March
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Tydeman Reef. Now, this is a spot we always make time for when we’re up in the northern stretches of the Great Barrier Reef. Forget the crowds; Tydeman feels like you’ve found a secret, even though it’s right there. What strikes you first is the sheer density of the coral; great plates of stony coral everywhere, interspersed with bright explosions of organ pipe coral. It's a proper coral maze. Drifting over the reef crest, we often see schools of Blackstriped Cardinalfish congregating under ledges, their scales catching the light. Keep an eye out for the smaller stuff too; the Blackspot pygmy wrasse is a favourite of ours, zipping between the coral branches. If you're lucky, a Pickhandle barracuda might cruise by, a sleek silver torpedo. This is a place where you can just settle in and watch the reef breathe. We find the mornings here are often the calmest, with the best light penetration, really bringing out the corals' colours. It’s perfect for divers who appreciate a healthy, thriving reef and don’t mind a bit of exploring at their own pace.

    Safety Notes

    Strong currents typical this month (avg 30 cm/s). Good buoyancy control essential.

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    Conditions

    Ocean conditions, forecast and tides for Tydeman Reef

    Tydeman Reef Ocean Conditions

    Monthly averages for Tydeman Reef, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-15.65, 145.72) (5km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    26°C

    80°F · Range: 24.5–29°C

    Current Speed

    30.07 cm/s

    Direction: S (183.8°)

    Chlorophyll-a

    0.057 mg/m³

    Very clear (oligotrophic)

    Salinity

    35.08 PSU

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

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