Zanzibar & Pemba, Tanzania
    Menai Bay

    Cement wall

    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 - Cement wall offers some of Zanzibar & Pemba's richest wall 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
    CharacterWall dive
    StandoutExceptional marine biodiversity

    The Cement Wall is one of those sites that just feels right from the moment you roll in. It’s not about grand vistas, though the wall itself is impressive, dropping into the blue. Instead, it's the sheer density of life, particularly the smaller stuff, that makes it a standout for us. We love drifting along, eyes peeled, finding a Western imperial cone inching its way across the rock, or spotting a well-camouflaged granular frog shell. This isn't a site for blasting through; it's for slowing down. Keep an eye out for blue-spotted stingrays resting on the sandy ledges and the resident green turtles gracefully finning by. The Spangled Emperor and Spottail Coris add splashes of colour, but it’s the cowries and various cones that really demand attention here. We'd suggest an afternoon dive when the light softens; it brings out a different hue in the corals and highlights the textures of the wall. Best for those who enjoy a deliberate pace, perfect for photographers or anyone who appreciates the intricate details of a healthy reef.

    Today06:0318:1612h 13m daylightGolden hour 17:48

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    Conditions

    Ocean conditions, forecast and tides for Cement wall

    Cement wall Ocean Conditions

    Monthly averages for Cement wall, 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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