Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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Haji is a gently sloping reef off the northeast coast of Zanzibar, Tanzania, running parallel to the coast and beginning around 10 m. It is a boat dive with a maximum depth of 20 m (66 ft).
Terrain and coral. The reef has significant sections of plate coral and large fan corals, with sandy and rocky patches between them and hard and soft corals throughout. The consistent gradient makes for an easy descent.
Visibility is often high, sometimes reaching 20 m (65 ft). The site suits various skill levels, including Open Water certified divers. One reported dive reached 16 m (52 ft). The reef is also dived at night.
Small schooling fish and larger solitary reef fish live among the corals.
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Red-knobbed Sea StarProtoreaster linckiReported here · unconfirmed
Leaf ScorpionfishTaenianotus triacanthusReported here · unconfirmed
Spiny Cushion StarCulcita schmidelianaReported here · unconfirmed
Green Sea TurtleChelonia mydasReported here · unconfirmed
NudibranchNudibranchReported here · unconfirmedDurable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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