5-20m
    Dar es Salaam & Offshore Islands, Tanzania
    Maziwe Island

    THGI Nungwi

    Best months: Jan–Feb

    Protected Area

    Maziwe Island

    Why dive here

    With 41+ marine species recorded in the area - including humpback whales, sea turtles, spinner dolphins, napoleon wrasse and pufferfish - THGI Nungwi offers some of Dar es Salaam & Offshore Islands's richest reef diving. Water ranges 26-30°C, warmest March, April, December.

    Best timeJan–Feb
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeHumpback Whales, Sea Turtles, Spinner Dolphins, Napoleon Wrasse and Pufferfish · 41+ species recorded
    Water26-30°C · warmest March, April, December
    CharacterReef dive · max 5-20m
    StandoutRich in charismatic marine life

    Nungwi, for us, is one of those sites you return to, not just for the bigger stuff, but for the details. We’ve found ourselves spending entire dives in one small patch, just watching, mesmerised by the granular frog shells and the cloth-of-gold cone snails inching their way across the sand. It’s a macro dream, particularly if you're into nudibranchs and smaller invertebrates, though we have had days with long-beaked dolphins making fly-bys in the bluer water off the reef. The bottom here is a mix of coral rubble and sand flats, with scattered seagrass beds. Look for the green turtles grazing peacefully amongst the thalassia and halodule seagrass. Our favourite memory is finding a triton's trumpet, an absolute giant, slowly moving along the bottom, leaving a trail in its wake. This site suits divers who appreciate a slow, deliberate exploration, those who love to find the small wonders often overlooked. It's a calm, easy dive perfect for refining your buoyancy or spending time with a camera.

    Typical THGI Nungwi Dive Profile

    5mSafety Stop0m5m max~60 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

    Strong currents typical this month (avg 31 cm/s). Good buoyancy control essential.

    Today06:0418:1612h 12m daylightGolden hour 17:49

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    Conditions

    Ocean conditions, forecast and tides for THGI Nungwi

    THGI Nungwi Ocean Conditions

    Monthly averages for THGI Nungwi, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-5.09, 39.62) (5km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    27°C

    81°F · Range: 26.2–28.5°C

    Current Speed

    31.14 cm/s

    Direction: N (5.5°)

    Chlorophyll-a

    0.172 mg/m³

    Clear water

    Salinity

    35.1 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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