Zanzibar & Pemba, Tanzania
    Menai Bay

    Jambiani Lagoon

    Best months: Jul–Oct

    Protected Area

    Menai Bay

    Why dive here

    With 312+ marine species recorded in the area - including barracuda, blue-spotted stingrays, dolphins, eagle rays and hammerhead sharks - Jambiani Lagoon offers some of Zanzibar & Pemba's richest reef diving. Water ranges 26-30°C, warmest February, March, April.

    Best timeJul–Oct
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blue-Spotted Stingrays, Dolphins, Eagle Rays and Hammerhead Sharks · 312+ species recorded
    Water26-30°C · warmest February, March, April
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Jambiani Lagoon is one of those spots we always return to, not for roaring currents or massive pelagics, but for its quiet, unassuming beauty. It’s a macro photographer’s dream, a sprawling, shallow sandy bottom scattered with seagrass patches and coral bommies. You spend your dives here moving slowly, eyes peeled, sifting through the details. We’re talking about finding multiple cowry species – the Carnelian Cowry, the Leopard Cone, the Prickly Spotted Drupe – nestled in crevices or half-buried in the sand. Look out for the Humpbacked Conch slowly ploughing its way along, or a Granular Frog Shell doing its best impression of a rock. It's a treasure hunt down there. Visibility can vary, often settling around 10-15 meters, but that’s fine for this kind of intimate diving. The beauty here is in the small scale, the patient observation. We love spotting the juvenile Spottail Coris darting through the seagrass, or a plump Triton's Trumpet shell half-buried, a true prize find. It’s a site that rewards those who slow down and look closely.

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    Conditions

    Ocean conditions, forecast and tides for Jambiani Lagoon

    Jambiani Lagoon Ocean Conditions

    Monthly averages for Jambiani Lagoon, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-5.98, 39.4) (10km away)

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    October Averages

    Sea Temperature

    27°C

    81°F · Range: 25.9–28.4°C

    Air Temperature

    26°C

    79°F

    Wind Speed

    4.72 m/s

    9.2 knots

    Atmospheric Pressure

    1013.8 hPa

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

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