Mafia Island, Tanzania
    Mangrove

    Shoulder

    Best months: Jun–Oct

    Protected Area

    Mangrove

    Why dive here

    With 165+ marine species recorded in the area - including humpback whales, sea turtles, sperm whales and whale sharks - Shoulder offers some of Mafia Island's richest wall diving. Water ranges 26-29°C, warmest February, March, April.

    Best timeJun–Oct
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeHumpback Whales, Sea Turtles, Sperm Whales and Whale Sharks · 165+ species recorded
    Water26-29°C · warmest February, March, April
    CharacterWall dive
    StandoutExceptional marine biodiversity

    Shoulder certainly lives up to its billing; it’s a proper rush. We're talking a serious drift, the kind where you really feel the current pulling you along, sometimes so fast it feels like flying. Your heart will definitely be pounding, but that's part of the fun. Maxing out at 19m, it’s not particularly deep, but you need to be comfortable in strong water. The visibility here is usually good, around 17m, which is a blessing when you're moving that quickly. Keep your eyes peeled for the big stuff – we’ve seen some massive green turtles here just cruising past, looking entirely unbothered by the current that’s pushing us along. Schools of beautiful fusiliers are everywhere, and the Honeycomb Groupers often hang out in the deeper sections, just out of the main flow. If you’re lucky, you might spot a guitar shark on the sandy bottom, or a ray gliding by. This is definitely one for experienced divers who love a bit of speed and aren't afraid of a good workout.

    Today06:0118:1612h 15m daylightGolden hour 17:48

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    Conditions

    Ocean conditions, forecast and tides for Shoulder

    Shoulder Ocean Conditions

    Monthly averages for Shoulder, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-8.12, 39.65) (37km away)

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    October Averages

    Sea Temperature

    27°C

    81°F · Range: 26.2–28.4°C

    Air Temperature

    26°C

    79°F

    Wind Speed

    7.33 m/s

    14.2 knots

    Atmospheric Pressure

    1014 hPa

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

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