Nosy Be, Madagascar
    Nosy Antsoha

    Manta divesite

    Best months: Jul–Sep

    Protected Area

    Nosy Antsoha

    Why dive here

    Manta divesite is a dive in Nosy Be, Madagascar. Water ranges 27-31°C, warmest March, April, December.

    Best timeJul–Sep
    WetsuitA 3mm shorty or thin full wetsuit
    Water27-31°C · warmest March, April, December

    Manta divesite. The name alone tells you what everyone’s hoping for here. And while we’ve certainly had incredible manta encounters, what we really love about this site is its dynamic energy. Drop in, and you’re immediately part of a bustling reef scene. We’ve seen schools of fusiliers so thick they practically block out the sun, silver walls moving as one. The reef structure itself is impressive, a mix of robust staghorn and large brain corals, providing plenty of nooks and crannies for macro life if you can tear your eyes away from the blue. Keep an eye out for the big boys, but don't forget to scan the coral heads for things like variable strombs or reticulated venus shells. The currents here can be unpredictable; sometimes it’s a gentle drift, other times you’re really moving, which is often when the mantas decide to cruise through. For us, the best dives have been in the late morning, just as the sun gets high, illuminating the reef and drawing out the fish. This spot really shines for those who appreciate a lively, often fast-paced dive with the potential for something truly special.

    Today05:2517:4512h 20m daylightGolden hour 17:17

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    Conditions

    Ocean conditions, forecast and tides for Manta divesite

    Manta divesite Ocean Conditions

    Monthly averages for Manta divesite, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-13.6, 47.82) (223km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    28°C

    83°F · Range: 26.8–29.7°C

    Air Temperature

    28°C

    83°F

    Wind Speed

    4.94 m/s

    9.6 knots

    Atmospheric Pressure

    1014.2 hPa

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

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