Scuba Season
Underwater reef at Memba Bay
Partly surveyed

Memba Bay

Mozambique · Indian Ocean

Unstudied northern Mozambique coastline with seasonal whale shark and manta ray sightings, 1,000 km north of the well-known Tofo aggregation.

How this reef is doing

How we measure this

Reef state

Partly surveyed

Live coral covers 22% of this reef.

Coral cover

HEALTHY RANGE22%2022now
Declining

Fish life

Not surveyed

Heat

Not surveyed

Fishing

QuietBusy

Open to fishing, and the water is fairly quiet.

Open

Sources · MERMAID and the survey teams · Global Fishing Watch and reef gravity

Coral cover over time

Live coral cover, by survey year

Across 4 survey years from 2022 to 2025, live coral cover here has fallen from 30% to 22%. Every point is a real survey reading, never a projection.

Live coral cover, percent by year

40%0%region avg 29%2022202320242025
4 surveys, 2022 to 2025
Western Indian Ocean average (GCRMN)
MERMAID and the survey teams, within 56 km

What you will see

13 species across the dive sites here

Dive sites

Gear & getting wet

  • Basic kit

    • Mask and fins
    • BCD and regulator
    • 5mm full wetsuit · cooler water
    • Dive computer