Powoni Cave

Zanzibar, Tanzaniacave

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Conditions & tides

Powoni CaveZanzibar

Fair · 4/5

conditions visualisation

Fair4/5

Some chop right now — best window today 9 AM–7 PM.

Wind7 kn ESE

Current~1 kn N · model

Swell

1.2 m · 6s · ESE

Water

27 °C

Conditions through the day

8 AM8 PM

Calmest current near slack — 08:15 AM & 08:45 PM local

Sunrise 06:10 AM · Sunset 06:17 PM local

Show details

Tide · local

Outlook — select a day for full conditions

On-face swell 1.1 m — the component of the swell aimed at this site’s exposed face. Current is a regional model value (Copernicus, ~9 km grid) — a guide to the area, not a precise reef measurement. Imagery © Esri · not depth or visibility.

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.

Dived here today? How were conditions vs. what we showed?

About this site

This hidden gem off Zanzibar features a stunning cave system with dramatic swim-throughs and overhangs. The clear Indian Ocean waters reveal vibrant coral gardens teeming with reef fish, moray eels, and occasional reef sharks. Sunlight filters through cracks in the cave ceiling, creating mesmerizing light effects. Ideal for intermediate divers, the site offers gentle currents and excellent visibility. The surrounding reef slopes gently, perfect for exploring both the cave and open water. Night dives here reveal nocturnal species like lobsters and octopus. A must-visit for those seeking adventure beyond typical reef dives.