10-40m
    Advanced
    Atauro Island, Timor-Leste
    Suco de Vila

    Whale Shark Alley

    Best months: Jul–Sep

    Protected Area

    Suco de Vila

    Why dive here

    With 253+ marine species recorded in the area - including barracuda, blue-spotted stingrays, giant moray eels, sea turtles and sperm whales - Whale Shark Alley offers some of Atauro Island's richest drift diving. Water ranges 28-31°C, warmest April, November, December.

    Best timeJul–Sep
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blue-Spotted Stingrays, Giant Moray Eels, Sea Turtles and Sperm Whales · 253+ species recorded
    Water28-31°C · warmest April, November, December
    CharacterDrift dive · max 10-40m
    StandoutExceptional marine biodiversity

    Whale Shark Alley, off Atauro, isn’t just a name. It’s a promise, often delivered. We’re talking about a serious channel here, dropping sharply from ten metres down to forty, a deep blue highway for the big fellas. During migration season, typically around October to December, the chances of a whale shark encounter spike dramatically. It's not guaranteed, nothing in diving ever is, but we’ve seen them cruise through with mouths agape, filters working overtime. This site suits advanced divers. The current can be fierce, sweeping you along, so good buoyancy and comfort in drift conditions are essential. Even without a whale shark, the sheer volume of fish here is impressive. Schools of beautiful fusiliers shimmer so thick they momentarily block the light, a silver curtain parting to reveal parrotfish and surgeonfish going about their business. Look closely in the nooks and crannies of the channel walls for smaller residents like Diana's Hogfish or the vibrant Sunburst Butterflyfish. We always find ourselves staring into the blue here, a sense of anticipation hanging in the water. It’s a proper deep channel dive, and when the sharks show up, it's pure magic.

    Typical Whale Shark Alley Dive Profile

    5m10mSafety Stop0m10m max~60 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

    Drift dive - carry a surface marker buoy (SMB) and stay with your group. Brief the current direction before entry.

    Today05:1817:3312h 15m daylightGolden hour 17:05

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    Conditions

    Ocean conditions, forecast and tides for Whale Shark Alley

    Whale Shark Alley Ocean Conditions

    Monthly averages for Whale Shark Alley, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-8.21, 125.56) (41km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    29°C

    85°F · Range: 27.3–31°C

    Air Temperature

    25°C

    77°F

    Wind Speed

    3.89 m/s

    7.6 knots

    Atmospheric Pressure

    1010.4 hPa

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

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